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Electrical check on ABS/EDL/ASR/ESP ITT Mark 20 IE
Test table (test steps 1 - 23)
Select measuring range: Voltage measurement (20 V DC)
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Test step
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V.A.G 1598 sockets
|
Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
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1
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15 + 47
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Power supply for pump motor (terminal 30) at ABS with EDL control unit -J104
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▪ Ignition off
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10.0 - 14.5 V
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- Wiring from contact T47/47 via fuse C to terminal 30 at alternator
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- Check wiring from contact T47/15 to earth
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
|
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2
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46 + 16
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Power supply for valves (terminal 30) at ABS with EDL control unit -J104
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▪ Ignition off
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10.0 - 14.5 V
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- Wiring from contact T47/16 via fuse C to terminal 30 at alternator
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- Check wiring from contact T47/46 to earth
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
|
Select measuring range: Voltage measurement (20 V DC)
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Test step
|
V.A.G 1598 sockets
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Testing of
|
▪ Test conditions
- Additional work
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Specification
|
Remedies if specification not attained
|
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3
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44 + 46
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Power supply of ABS with EDL control unit -J104
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▪ Ignition on
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10.0 - 14.5 V
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- Check wiring from contact T47/44 via fuse S 40 and ignition/starter switch
Check wiring from contact T47/46 to earth
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
|
Select measuring range: Voltage measurement (20 VDC) in test step 4, resistance measurement (200 ω)/(20 M ω)in test step 4a
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Test step
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V.A.G 1598 sockets
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Testing of
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▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
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4
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23 + 46
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Brake light switch -F
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▪ Ignition off
▪ Brake pedal not pressed
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0.0 - 0.5 V
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- Adjust brake light switch if necessary
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- Brake pedal pressed
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10.0 - 14.5 V
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- Check contact 1 of brake light switch -F to fuse S 30
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4a
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Brake light switch -F
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▪ Select 200 ω measuring range
Unplug multi-pin connector T47 from ABS with EDL control unit -J104
Unplug multi-pin connector from brake light/brake pedal switch
Check for open circuit in wiring
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max.1.5 ω
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Check for open circuit in wiring
Use current flow diagram to repair wiring
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
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Test step 4a: Continued on next page
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Test step 4a (continued)
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4a
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- Check wiring from contact 23 (control unit) to contact 1 (brake light switch)
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▪ Select 20 font=symbol charset=fontspecific code=77 descr='[Mgr]' ω measuring range
Take out fuse S 30
Check for short to positive/earth in wiring
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∞ ω
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Select measuring range: Resistance measurement (200 ω)
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Test step
|
V.A.G 1598 sockets
|
Testing of
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▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
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5
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3 + 4
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Wiring from ABS with EDL control unit -J104 to front right speed sensor -G45
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▪ Ignition off, unplug multi-pin connector T47 from ABS with EDL control unit -J104, connect up test box V.A.G 1598/33
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max.1.5 ω
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- Unplug connector at speed sensor
Check for open circuit and short to earth/positive in wiring between control unit and speed sensor
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
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- Check connectors
Shake wire during check (loose contact)
If wiring is OK, check and if necessary replace appropriate speed sensor
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Select measuring range: Resistance measurement (200 ω)
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Test step
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V.A.G 1598 sockets
|
Testing of
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▪ Test conditions
- Additional work
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Specification
|
Remedies if specification not attained
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6
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33 + 34
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Wiring from ABS with EDL control unit -J104 to front left speed sensor
-G47
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▪ Ignition off
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max.1.5 ω
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- Unplug connector at speed sensor
Check for open circuit and short to earth/positive in wiring between control unit and speed sensor
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
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- Check connectors
Shake wire during check (loose contact)
If wiring is OK, check and if necessary replace appropriate speed sensor
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Select measuring range: Resistance measurement (200 ω)
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Test step
|
V.A.G 1598 sockets
|
Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
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7
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7 + 6
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Wiring from ABS with EDL control unit -J104 to rear right speed sensor -G44
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▪ Ignition off
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max.1.5 ω
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- Unplug connector at speed sensor
Check for open circuit and short to earth/positive in wiring between control unit and speed sensor
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
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- Check connectors
Shake wire during check (loose contact)
If wiring is OK, check and if necessary replace appropriate speed sensor
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Select measuring range: Resistance measurement (200 ω)
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Test step
|
V.A.G 1598 sockets
|
Testing of
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▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
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8
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37 + 36
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Wiring from ABS with EDL control unit -J104 to rear left speed sensor
-G46
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▪ Ignition off
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max.1.5 ω
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- Unplug connector at speed sensor
Check for open circuit and short to earth/positive in wiring between control unit and speed sensor
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
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- Check connectors
Shake wire during check (loose contact)
If wiring is OK, check and if necessary replace appropriate speed sensor
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Functional test: ABS warning lamp -K47
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Test step
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V.A.G 1598 sockets
|
Testing of
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▪ Test conditions
- Additional work
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Specification
|
Remedies if specification not attained
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9
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Function of ABS warning lamp -K47
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▪ Fault memory interrogated and no fault stored in fault memory of ABS with EDL control unit -J104
▪ Ignition off
▪ Multi-pin connector attached to ABS with EDL control unit -J104 and engaged
Switch on ignition
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ABS warning lamp -K47 lights for 2 seconds and goes out again
|
- If ABS warning lamp does not light:
Check for short to earth in vehicle electrical system voltage and wiring from contact T47/22 of ABS with EDL control unit -J104 to dash panel insert
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
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- Fault in dash panel insert
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Functional test: Brake system warning lamp -K118
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Test step
|
V.A.G 1598 sockets
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Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
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10
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Function of brake system warning lamp -K118
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▪ Brake fluid level OK
▪ Ignition off
▪ Multi-pin connector attached to ABS with EDL control unit -J104 and engaged
Switch on ignition
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Brake system warning lamp -K118 lights for 2 seconds and goes out again
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- Check brake fluid warning contact
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- Check for short to earth in wiring from contact 29 (green connector) in dash panel insert to brake fluid warning contact
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
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- Fault in dash panel insert
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Functional test: Traction control system/ESP warning lamp -K86
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Test step
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V.A.G 1598 sockets
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Testing of
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▪ Test conditions
- Additional work
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Specification
|
Remedies if specification not attained
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11
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-
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Function of traction control system/ESP warning lamp -K86
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▪ Ignition off
▪ Multi-pin connector attached to ABS with EDL control unit -J104 and engaged
Switch on ignition
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Traction control system warning lamp -K86 lights for 2 seconds and goes out again
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- Check for open circuit and short to positive in wiring from contact T47/24 (control unit) to contact 32, green connector (dash panel insert)
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- If traction control system warning lamp -K86 is permanently lit:
Check for short to earth in wiring from contact T47/24 (control unit) to contact 32, green connector (dash panel insert)
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
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- Fault in dash panel insert
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Functional test: Warning lamp for TCS/ESP button -E256
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Test step
|
V.A.G 1598 sockets
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Testing of
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▪ Test conditions
- Additional work
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Specification
|
Remedies if specification not attained
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12
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-
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Function of TCS/ESP button -E256
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▪ Ignition off
▪ Function of traction control system/ESP warning lamp -K86 checked in test step 11
▪ Multi-pin connector attached to ABS with EDL control unit -J104 and engaged
Switch on ignition
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Traction control system warning lamp -K86 lights for 2 seconds and goes out again
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- Press TCS/ESP button
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Traction control system/ESP warning lamp -K86 lights
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- Press TCS/ESP button again
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Traction control system/ESP warning lamp -K86 goes out
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Test step 12: Continued on next page
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Test step 12 (continued)
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Select measuring range:
Voltage measurement (20 VDC)
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Test step
|
V.A.G 1598 sockets
|
Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
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12
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15 + 24
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Function of TCS/ESP button -E256
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- Switch off ignition
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- Unplug multi-pin connector from ABS with EDL control unit -J104
Connect up test box V.A.G 1598/33
Switch on ignition
TCS/ESP button not pressed and traction control system warning lamp -K86 does not light
TCS/ESP button not pressed and traction control system warning lamp -K86 lights
TCS/ESP button pressed
|
0.0 - 1.0 V
3.5 - 5.0 V
8.0 - 14.5 V
|
- Check wiring from contact T47/15 (control unit) to earth
Check for open circuit and short to positive/earth in wiring from contact T47/24 (control unit) to contact 6 (TCS/ESP button)
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Test step 12: Continued on next page
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Test step 12 (continued)
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Test step
|
V.A.G 1598 sockets
|
Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
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12
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- Check for open circuit in power supply from contact 4 (TCS/ESP button) via fuse S40
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
Replace TCS/ESP button if no faults have been found in the preceding test steps
|
Select measuring range: Voltage measurement (20 VDC) in test step 13, resistance measurement (200ω)/(20 Mω)in test step 13a
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Test step
|
V.A.G 1598 sockets
|
Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
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13
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-
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Earth and power supply of steering angle sender -G85
|
▪ Ignition off
Unplug multi-pin connector T47 from ABS with EDL control unit
-J104
Unplug connector from steering angle sender
Check power supply (term. 30) of steering angle sender at connector between contacts 4 and 1
|
10.0 - 14.5 V
|
- Use current flow diagram to repair wiring
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
Check for open circuit in wiring from contact 4 (steering angle sender) to fuse S 40
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- Ignition on
Check power supply (term. 15) of steering angle sender at connector between contacts 5 and 1
|
10.0 - 14.5 V
|
- Check for open circuit in wiring from contact 5 (steering angle sender) to fuse S 40
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Test step 13a: Next page
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Select measuring range: Voltage measurement (20 VDC) in test step 13, resistance measurement (200 ω)/(20 M ω)in test step 13a
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13a
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-
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Wiring for steering angle sender -G85
|
▪ Select 200 ω measuring range
Connect up test box V.A.G 1598/33
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▪ Select 20 Mω measuring range
Take out fuse S 40
Check for short to positive/earth in wiring
|
∞ ω
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- Check for open circuit in wiring
Check wiring from contact 3 (steering angle sender) to contact T47/19 (ABS with EDL control unit -J104)
Check wiring from contact 2 (steering angle sender) to contact T47/20 (ABS with EDL control unit -J104)
Check wiring from contact 1 to earth connection -2- in dash panel wiring harness
|
max. 1.5 ω
|
- Check for open circuit in wiring
Use current flow diagram to repair wiring
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
|
Select measuring range: Resistance measurement (200 ω/20 M ω)
|
Test step
|
V.A.G 1598 sockets
|
Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
|
|
14
|
-
|
Wiring for lateral acceleration sender -G200
|
▪ Ignition off
▪ Select 200 ω measuring range
Take out fuse S 40
Unplug multi-pin connector T47 from ABS with EDL control unit
-J104
Connect up test box V.A.G 1598/33
Unplug connector from lateral acceleration sender
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- Check for open circuit in wiring
Check wiring from contact 1 (lateral acceleration sender) to contact T47/40 (control unit)
|
max. 1.5 ω
|
- Check for open circuit in wiring
Use current flow diagram to repair wiring
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
|
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Test step 14: Continued on next page
|
Test step 14 (continued)
|
Test step
|
V.A.G 1598 sockets
|
Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
|
|
14
|
-
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- Check wiring from contact 2 (lateral acceleration sender) to contact T47/9 (ABS with EDL control unit -J104)
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- Check wiring from contact 3 (lateral acceleration sender) to contact T47/25 (control unit)
|
max. 1.5 ω
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|
|
▪ Select 20 Mω measuring range
Take out fuse S 40
Check for short to positive/earth in wiring
|
∞ ω
|
|
Select measuring range: Resistance measurement (200 ω/20 M ω)
|
Test step
|
V.A.G 1598 sockets
|
Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
|
|
15
|
-
|
Wiring for yaw rate sender -G202
|
▪ Ignition off
▪ Select 200 ω measuring range
Unplug multi-pin connector T47 from ABS with EDL control unit
-J104
Connect up test box V.A.G 1598/33
Unplug connector from yaw rate sender -G202
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Test step 15: Continued on next page
|
Test step 15 (continued)
|
Test step
|
V.A.G 1598 sockets
|
Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
|
|
15
|
-
|
Wiring for yaw rate sender -G202
|
- Check for open circuit in wiring
Check wiring from contact 1 (yaw rate sender) to contact T47/42 (ABS with EDL control unit
-J104)
|
max. 1.5 ω
|
- Check for open circuit in wiring
Use current flow diagram to repair wiring
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
|
|
|
|
|
- Check wiring from contact 2 (yaw rate sender) to contact T47/11 (ABS with EDL control unit
-J104)
Check wiring from contact 3 (yaw rate sender) to contact T47/27 (ABS with EDL control unit
-J104)
|
|
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|
▪ Select 20 Mω measuring range
Take out fuse S40
Check for short to positive/earth in wiring
|
∞ ω
|
|
Select measuring range: Resistance measurement (200 ω/20 M ω)
|
Test step
|
V.A.G 1598 sockets
|
Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
|
|
16
|
-
|
Wiring for brake pressure sender 1 -G201
|
▪ Ignition off
▪ Select 200 ω measuring range
Unplug multi-pin connector T47 from ABS with EDL control unit
-J104
Connect up test box V.A.G 1598/33
Unplug connector from brake pressure sender 1 -G201
|
|
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Test step 16: Continued on next page
|
Test step 16 (continued)
|
16
|
-
|
|
- Check for open circuit in wiring
Check wiring from contact 1 (brake pressure sender) to contact T47/28 (ABS with EDL control unit -J104)
|
max. 1.5 ω
|
- Check for open circuit in wiring
Use current flow diagram to repair wiring
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
|
|
|
|
|
- Check wiring from contact 2 (brake pressure sender) to contact T47/12 (ABS with EDL control unit -J104)
Check wiring from contact 3 (brake pressure sender) to contact T47/43 (ABS with EDL control unit -J104)
|
|
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|
▪ Select 20 Mω measuring range
Take out fuse S40
Check for short to positive/earth in wiring
|
∞ ω
|
|
Select measuring range: Resistance measurement (200 ω/20 M ω)
|
Test step
|
V.A.G 1598 sockets
|
Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
|
|
17
|
-
|
Wiring for brake pressure sender 2 -G214
|
▪ Ignition off
▪ Select 200 ω measuring range
Unplug multi-pin connector T47 from ABS with EDL control unit
-J104
Connect up test box V.A.G 1598/33
Unplug connector from brake pressure sender 2 -G214
|
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Test step 17: Continued on next page
|
Test step 17 (continued)
|
17
|
-
|
|
- Check for open circuit in wiring
Check wiring from contact 1 (brake pressure sender) to contact T47/26 (ABS with EDL control unit -J104)
|
max. 1.5 ω
|
Check for open circuit in wiring
Use current flow diagram to repair wiring
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
|
|
|
|
|
- Check wiring from contact 2 (brake pressure sender) to contact T47/10 (ABS with EDL control unit -J104)
Wiring from contact 3 (brake pressure sender) with contact T47/41 (control unit)
|
|
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|
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|
|
▪ Select 20 Mω measuring range
Take out fuse S 40
Check for short to positive/earth in wiring
|
∞ ω
|
|
Select measuring range: Resistance measurement (200 ω/20 M ω)
|
Test step
|
V.A.G 1598 sockets
|
Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
|
|
18
|
-
|
Wiring for brake pressure solenoid valve, in brake servo -N247
|
▪ Ignition off
▪ Select 200 ω measuring range
Unplug multi-pin connector T47 from ABS with EDL control unit
-J104
Connect up test box V.A.G 1598/33
Unplug connector at brake servo
Check for open circuit in wiring
|
|
|
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Test step 18: Continued on next page
|
Test step 18 (continued)
|
18
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-
|
|
- Check wiring from contact 4 (brake pressure solenoid valve) to contact T47/17 (ABS with EDL control unit -J104)
|
|
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|
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|
- Check wiring from contact 3 (brake pressure solenoid valve) to contact T47/1 (ABS with EDL control unit -J104)
|
max. 1.5 ω
|
- Check for open circuit in wiring
|
|
|
|
|
▪ Select 20 M ω measuring range
Take out fuse S 40
Check for short to positive/earth in wiring
|
∞ ω
|
Use current flow diagram to repair wiring
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
|
Select measuring range: Resistance measurement (200 ω/20 M ω)
|
Test step
|
V.A.G 1598 sockets
|
Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
|
|
19
|
-
|
Wiring for brake detection switch, ESP -F83
|
▪ Ignition off
▪ Select 200 ω measuring range
Unplug multi-pin connector T47 from ABS with EDL control unit
-J104
Connect up test box V.A.G 1598/33
Unplug connector at brake servo
Check for open circuit in wiring
|
|
|
|
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|
Test step 19: Continued on next page
|
|
Test step 19 (continued)
|
|
19
|
-
|
|
- Check wiring from contact 1 (brake detection switch) to contact T47/13 (ABS with EDL control unit -J104)
|
|
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|
- Check wiring from contact 2 (brake detection switch) to contact T47/29 (ABS with EDL control unit -J104)
Check wiring from contact 5 (brake detection switch) to contact T47/32 (ABS with EDL control unit -J104)
|
max. 1.5 ω
|
- Check for open circuit in wiring
|
|
|
|
|
▪ Select 20 M ω measuring range
Take out fuse S40
Check for short to positive/earth in wiring
|
∞ ω
|
Use current flow diagram to repair wiring
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
|
Select measuring range: Resistance measurement (200 ω/20 M ω)
|
Test step
|
V.A.G 1598 sockets
|
Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
|
|
20
|
19+20
|
Data bus wires
Data bus system
|
- Check CAN bus
=> Reading measured value block, function 08, display group 125
▪ Ignition off
▪ Select 200 ω measuring range
Connect up test box V.A.G 1598/33
|
|
|
|
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|
Test step 20: Continued on next page
|
Test step 20 (continued)
|
20
|
|
|
- Check for open circuit in wiring
Steering angle sender
Engine control unit
Automatic gearbox control unit1)
|
|
|
|
|
|
|
- Check wiring from contact T47/19 (ABS with EDL control unit -J104) to contact 3 (steering angle sender)
Check wiring from contact T47/20 (ABS with EDL control unit -J104) to contact 2 (steering angle sender)
|
max. 1.5 ω
|
- Check for open circuit in wiring
|
|
|
|
|
|
Test step 20: Continued on next page
|
1) Vehicles with automatic gearbox only
Test step 20 (continued)
|
20
|
19+20
|
|
- Check terminating resistance between contacts 19 and 20
|
approx. 60 ω
|
- Check all control units linked to CAN bus
|
|
|
|
|
▪ Select 20 M ω measuring range
Take out fuse S 40
Check for short to positive/earth in wiring
|
∞ ω
|
Use current flow diagram to repair wiring
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
|
Select measuring range: Voltage measurement (20 VDC) in test step 14, resistance measurement (200 ω)in test step 15
|
Test step
|
V.A.G 1598 sockets
|
Testing of
|
▪ Test conditions
- Additional work
|
Specification
|
Remedies if specification not attained
|
|
21
|
-
|
Power supply for V.A.G 1551, connector T16
|
▪ Ignition on
Connect up hand-held multimeter V.A.G 1526 with adapter set V.A.G 1594 to T161)
Check wiring between contact T16/4 and contact T16/1
|
10.0 -14.5 V
|
- Check wiring from T16/4 to earth
Check wiring from T16/1 via S40
Use current flow diagram to repair wiring
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
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1) => Page 01-113, contact assignment of connector for power supply and self-diagnosis with fault reader V.A.G 1551
Select measuring range: Voltage measurement (20 VDC) in test step 10, resistance measurement (200 ω)in test step 11
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Test step
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V.A.G 1598 sockets
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Testing of
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▪ Test conditions
- Additional work
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Specification
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Remedies if specification not attained
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22
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Resistance of K-wire for self-diagnosis, connector T16
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▪ Ignition off
▪ Select 200 ω measuring range
Take out fuse S 40
Unplug multi-pin connector T47 from ABS with EDL control unit
-J104
Connect up test box V.A.G 1598/33
Check wiring between contact T16/7 and contact T47/39
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max. 1.5 ω
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Check wiring from T16/7 to contact T47/39
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▪ Select 20 M ω measuring range
Take out fuse S 40
Check for short to positive/earth in wiring
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∞ ω
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Use current flow diagram to repair wiring
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
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Select measuring range:
Resistance measurement (200 ω/20 M ω)
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Test step
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V.A.G 1598 sockets
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Testing of
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▪ Test conditions
- Additional work
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Specification
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Remedies if specification not attained
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23
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Wiring of brake lights deactivation relay -J508
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▪ Ignition off
▪ Select 200 ω measuring range
Pull brake lights deactivation relay -J508 off auxiliary relay carrier
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- Unplug multi-pin connector T47 from ABS with EDL control unit
-J104
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- Connect up test box V.A.G 1598/33
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- Check for open circuit in wiring between auxiliary relay carrier of brake lights deactivation relay -J508 and multi-pin connector of ABS with EDL control unit -J104
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max. 1.5 ω
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- Use current flow diagram to check wiring
=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
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Test step 23: Continued on next page
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Test step 23a (continued)
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Select measuring range:
Resistance measurement (200 ω/20 M ω)
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Test step
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V.A.G 1598 sockets
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Testing of
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▪ Test conditions
- Additional work
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Specification
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Remedies if specification not attained
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23a
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▪ Select 20 M ω measuring range
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- Take out fuse S 30
Check wiring between contact 2 (brake lights deactivation relay) and contact T47/31
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max. 1.5 ω
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- Check for short to positive/earth in wiring
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∞ ω
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- Use current flow diagram to check wiring
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=> Current Flow Diagrams, Electrical Fault-finding and Fitting Locations binder
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