|
Fault memory
Fault table
Notes:
-
◆ The fault tables are listed according to the 5 digit fault code on the left.
-
◆ Explanation of the fault types (e.g. "open circuit/short circuit to earth"):
=> Fault reader operating instructions
-
◆ If components are indicated as faulty:
First check the wiring and connectors to these components as well as the system earth connections according to current flow diagram. This is particularly relevant if faults are output as "occurring sporadically" (SP).
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
No fault recognised!
|
If a fault is present:
Fault not recognised by self diagnosis
|
Continue fault finding using fault table: =>"Engine fault finding" binder.
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00281
|
|
|
|
Road speed sender
G68
|
|
|
|
|
Implausible signal
|
No signal from electronic speedometer (G21)1) or speedometer sender (G22)
|
- Check speed signal
|
|
|
Wiring open circuit
|
- Locate and eliminate wiring open circuit using current flow diagram:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
|
|
|
No signal
|
Speedometer does not indicate vehicle speed:
|
|
|
|
Speedometer sender (G22) defective
|
- Replace G22
|
|
|
|
- Continue fault finding according to fault finding programme for MFI:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
|
1)
Checking the road speed signal is carried out when driving the vehicle at an engine speed between 2500 and 3000 rpm.
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00282
|
|
|
|
Throttle valve positioner -V601)
|
|
|
|
|
Short to earth
|
Wire has short to earth
|
- Check V60
,
checking throttle valve control part
|
|
|
V60 defective/sticking in closed direction
|
|
|
|
Short to positive
|
Wire has short to positive
|
|
|
|
V60 defective/sticking in open direction
|
|
|
|
Open circuit
|
Wiring open circuit
|
|
1)
The throttle valve positioner V60 is a component of the throttle valve control part J338.
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00513
|
|
|
|
Engine speed sender -G28
|
|
|
|
|
No signal
|
Wiring open circuit
|
- Check G28 => Page 24-70
|
|
|
G28 defective
|
- Replace G28 => Page 24-10
, item 10
|
|
|
Implausible signal1)
|
Gap sender/sender wheel too large
|
- Check G28 is seated securely/metal particles => Page 24-10
, item 10
|
|
|
Metal particles on G28 or holder loose
|
|
|
|
Sender wheel defective, loose
|
- Check sender wheel is seated securely:
=> Repair group 13; Removing and installing crankshaft
|
1)
In isolated cases, fault may be stored as a result of engine being abruptly stalled (sporadic fault).
Note on fault code 00513:
If due to a defect the engine does not run: Before interrogating the fault memory operate the starter for at least 5 seconds and then do not switch the ignition off
. Because there is no signal from the engine speed sender when the engine is not running, the self diagnosis could mistakenly recognise an engine speed sender -G28 fault. If the fault remains stored in the fault memory, check the sender as described.
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00515
|
|
|
|
Hall sender -G40
|
Hall sender (G40) rotor twisted1), camshaft timing out
|
- Check G401) => Page 28-8
|
|
|
Open/short circuit to positive
|
|
- Check valve timing:
=> Repair group 13; dismantling and assembling engine; setting timing
|
|
|
|
Wiring open circuit or wiring/G40 has short circuit to positive1)2)
|
|
|
|
Short circuit to earth
|
Short circuit to earth in wiring or G40
|
|
1)
Only for Motronic with distributor
2)
Only for Motronic with electronic high-voltage distributor
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00516
|
|
|
|
Idling switch F601)
|
F60 defective, always closed
|
- Check F60
,
checking throttle valve control part
|
|
|
Short to earth
|
Wiring has short to earth
|
|
|
|
Open circuit/short circuit to positive
|
F60 defective, always open
|
|
|
|
Wiring open circuit
|
|
|
|
Accelerator cable incorrectly adjusted
|
- Adjust accelerator cable
=> Repair Group 20; Removing and installing parts of the fuel supply system; Servicing accelerator cable
|
1)
The idling switch F60 is a component of the throttle valve control part J338.
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00518
|
|
|
|
Throttle valve potentiometer
-G691)
|
|
|
|
|
Open circuit/short to positive
|
Wiring open circuit/wiring or G69 has short to positive
|
- Check G69
,
Checking throttle valve control part
|
|
|
Open circuit/short to earth
|
G69 defective/wire has short to earth
|
- On vehicles ▸07.95 without throttle valve control part, check G69 => Page 24-54
|
1)
The throttle valve potentiometer G69 for vehicles approx. 08.95 ▸is a part of the throttle valve control part J338.
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00522
|
|
|
|
Coolant temperature sender
-G62
|
|
|
|
|
Short to earth
|
G62 defective
|
- Replace G62 => Page 24-9
, item 5
|
|
|
Wire has short to earth
|
- Check G62
|
|
|
Open circuit/short to positive
|
G62 defective, or incorrect working range caused by corrosion on connector
|
|
|
|
|
Wiring open circuit/wire has short to positive
|
|
|
|
Implausible signal
|
G62 defective
|
- Replace G62 => Page 24-9
, item 5
|
|
|
|
|
Thermostat defective (permanently open)
|
- Check thermostat
=> Repair group 19; Removing and installing parts of the cooling system; Removing and installing thermostat housing;
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00524
|
|
|
|
Knock sensor 1 -G61
|
|
|
|
|
Open circuit/short to earth
|
G61 defective
|
- Replace G61 => Page 28-5
, item 12
|
|
|
Wiring open circuit/short to earth in the sensor wire
|
- Check G61
=> Page 28-16
, checking knock sensors
|
|
|
No knock recognition from Motronic control unit (J220)
|
- If necessary replace J220
=> Page 24-8
, item 2
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00525
|
|
|
|
Lambda probe -G39
|
|
|
|
|
No signal
|
G39 defective
|
- Replace G39 => Page 24-9
, item 4
|
|
|
Lambda probe heating defective
|
- Check Lambda probe heating
|
|
|
Wiring open circuit
|
- Check Lambda probe and Lambda control
|
|
|
Short circuit to positive
|
Short circuit to positive in wiring or G39
|
|
|
|
Short circuit to earth
|
Short circuit to earth in wiring or G39
|
|
|
|
Fuel tank empty
|
- Fill tank / erase fault memory
=> Page 01-13
, interrogating and erasing fault memory
|
|
|
Implausible signal
|
G39 defective
|
- Replace G39 => Page 24-9
, item 4
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00527
|
|
|
|
Intake manifold temperature sender
-G72
|
|
|
|
|
Short to earth
|
G72 defective
|
|
|
|
Wire has short to earth
|
- Check G72 => Page 24-65
|
|
|
Open circuit/short to positive
|
G72 defective, or incorrect working range caused by corrosion on connector
|
- Replace G72 => Page 24-16
, item 16
|
|
|
|
Wiring open circuit/wire has short to positive
|
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00530
|
|
|
|
Throttle valve positioner/potentiometer -G881)
|
|
|
|
|
Short to earth
|
Wire has short to earth
|
- Check G88
,
Checking throttle valve control part
|
|
|
Wiring open circuit in earth wire
|
|
|
|
G88 defective
|
|
|
|
Short to positive
|
Wiring open circuit in earth wire
|
|
|
|
Wire has short to positive
|
|
|
|
G88 defective
|
|
|
|
Open circuit
|
Wiring open circuit
|
|
|
|
Implausible signal
|
Connector incorrectly wired
|
|
|
|
Control difference
|
G88 defective
|
|
|
|
Control limit exceeded
|
|
|
1)
The throttle valve positioner/potentiometer G88 is a component of the throttle valve control part J338.
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00532
|
|
|
|
Supply voltage1)
|
|
|
|
|
Signal too large
|
Battery voltage above 16.0 V
|
- Check alternator:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
|
|
|
Signal too small
|
Battery voltage below 10.0 V
|
- Check battery:
=> Electrical system; Repair group 27;
=> Checking and charging battery
|
|
|
|
- Check engine control unit voltage supply => Page 24-112
|
1)
Fault detection: Motronic control unit (J220) checks voltage after engine has been running for 3 minutes
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00533
|
|
|
|
Idling speed control
|
|
|
|
|
Adaption limit exceeded
|
Throttle valve positioner/potentiometer G88 defective
|
- Check G88
,
checking throttle valve control part
|
|
|
Adaption limit not reached
|
Unmetered air between air mass meter (G70) and engine
|
- Check intake air system for leaks
(unmetered air) => Page 24-75
|
|
00535
|
|
|
|
|
First knock control
|
Motronic control unit (J220) knock control defective
|
- Replace J220 if necessary
=> Page 24-8
, item 2
|
|
|
Implausible signal
|
|
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00537
|
|
|
|
|
Lambda control
|
Exhaust system leaking between cylinder head and catalyst
|
- Check exhaust system:
=> Repair group 26; removing and installing parts of exhaust system
|
|
|
Control limit exceeded
|
|
|
|
|
|
|
Misfiring
|
- Check ignition part components
=> Page 28-20
1)
|
|
|
|
|
Intake system leaking
|
- Check intake system for leaks (unmetered air)
|
|
|
|
|
Injector(s) (N30...N33, N83, N84) defective
|
- Check N30...N33, N83, N84
=> Page 24-83
|
|
|
|
|
Fuel pressure too low
|
- Check fuel pressure regulator
=> Page 24-73
|
|
|
|
Activated charcoal filter solenoid valve 1 (N80) sticking (permanently open)
|
- Check N80
, Final control diagnosis
|
|
|
Control limit not reached
|
Fuel pressure too high
|
- Check fuel pressure regulator
=> Page 24-73
|
|
|
|
Injector(s) (N30...N33, N83, N84) defective, leaking
|
- Check N30...N33, N83, N84
=> Page 24-83
|
1)
Only for Motronic with distributor
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00540
|
|
|
|
Knock sensor 2 -G66
|
|
|
|
|
Open circuit/short to earth
|
G66 defective
|
- Replace G66 => Page 28-4
, item 10
|
|
|
Wiring open circuit/short to earth in sensor wire to earth
|
- Check G66 => Page 28-16
, checking knock sensors
|
|
|
No knock recognition from Motronic control unit (J220)
|
- If necessary replace J220
=> Page 24-8
, item 2
|
|
00543
|
|
|
|
Maximum engine speed exceeded
|
|
|
|
|
Signal too large
|
Engine speed has reached governed speed (governor has cut-in)
|
- Erase fault memory
=> Page 01-13
, interrogating and erasing fault memory
|
|
|
Signal from engine speed sender (G28) disrupted
G28 sender wheel loose or defective
|
- Check G28 => Page 24-70
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00545
|
|
|
|
Engine/gearbox electrical connection
|
|
|
|
|
Short to earth
|
Wire has short to earth
|
- Locate and eliminate short circuit using current flow diagram:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
|
|
00549
|
|
|
|
|
Consumption signal
|
Wiring short circuit to positive
|
- Locate short circuit according to current flow diagram and rectify:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
|
|
|
Short circuit to positive
|
|
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00553
|
|
|
|
Air mass meter -G70
|
|
|
|
|
Open circuit/short to earth
|
G70 defective
|
- Replace G70 => Page 24-12
, item 8
|
|
|
Wiring open circuit/short to earth
|
- Check G70 => Page 24-32
|
|
|
Short to positive
|
Wire or G70 has short to positive
|
|
|
|
Unmetered air between G70 and engine
|
- Check intake air system for leaks
(unmetered air) => Page 24-75
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00561
|
|
|
|
Mixture adaption
|
|
|
|
|
Adaption limit
(add) exceeded
|
- Fuel tank empty
- Fuel pressure too low
- Fuel pump defective
- Wrong signal from air mass meter (G70)
- Unmetered air to G70
|
- Fill vehicle with petrol
|
|
|
Adaption limit
(mul) exceeded
|
- Lambda regulation faulty
- Leaks in the exhaust system to catalyst
- Activated charcoal filter solenoid valve (N80) sticking
- Injectors defective (coked, blocked)
|
- Check Lambda probe and Lambda regulation
|
|
|
Continued on next page
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00561
|
|
|
|
Mixture adaption
|
|
|
|
|
Adaption limit
(add) not reached
|
- Fuel pressure too high
- False signal from air mass meter (G70)
- Fuel in engine oil (short journeys)
|
- Check fuel pressure regulator
=> Page 24-32
Motorway drive for 15 min. or carry out oil change
|
|
|
Adaption limit
(mul) not reached
|
- Lambda regulation faulty
- Injector(s) defective (not closing fully)
|
- Check Lambda probe and Lambda regulation
|
Note on fault code 00561:
-
◆ add = additive - The fault (e.g. unmetered air) has less effect as engine speed increases.
-
◆ mul = multiplicative - The fault (e.g. injector fault) has more effect as the engine speed increases.
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00577
|
|
|
|
Knock control Cyl. 1
|
|
|
|
|
Control limit exceeded
|
Fuel pressure not OK
|
- Check fuel pressure regulator
=> Page 24-73
|
|
|
|
|
Misfiring
|
- Check ignition part components
=> Page 28-20
1)
|
|
|
Intake air system leaking (unmetered air)
|
- Check intake air system for leaks (unmetered air) => Page 24-75
|
|
|
Injector(s) (N30...N33, N83 and N84) defective, leaking
|
- Check N30...N33, N83 and N84
=> Page 24-83
|
|
00578
|
|
|
|
Knock control Cyl. 2
|
- => Knock control Cyl. 1
Fault code 00577
|
- => Knock control Cyl.
Fault code 00577
|
1)
Only for Motronic with distributor
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00579
|
|
|
|
Knock control Cyl. 3
|
- => Knock control Cyl. 1
Fault code 00577
|
- => Knock control Cyl. 1
Fault code 00577
|
|
00580
|
|
|
|
Knock control Cyl. 4
|
- => Knock control Cyl. 1
Fault code 00577
|
- => Knock control Cyl. 1
Fault code 00577
|
|
00581
|
|
|
|
Knock control Cyl. 5
|
- => Knock control Cyl. 1
Fault code 00577
|
- => Knock control Cyl. 1
Fault code 00577
|
|
00582
|
|
|
|
Knock control Cyl. 6
|
- => Knock control Cyl. 1
Fault code 00577
|
- => Knock control Cyl. 1
Fault code 00577
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00609
|
|
|
|
|
Ignition output 1
|
Short circuit to positive in wiring or ignition transformer (N152)
|
|
|
|
Short circuit to positive
|
|
- Check N152 => Page 28-11
|
|
|
|
|
Short circuit to positive in wiring or ignition transformer output stage (N157)1)
|
- Check N152
|
|
00610
|
|
|
|
|
Ignition output 2
|
Short circuit to positive in wiring or ignition transformer (N152)
|
|
|
|
Short circuit to positive
|
|
- Check N152 => Page 28-11
|
|
00611
|
|
|
|
|
Ignition output 3
|
Short circuit to positive in wiring or ignition transformer (N152)
|
|
|
|
Short circuit to positive
|
|
- Check N152 => Page 28-11
|
1)
Only for Motronic with distributor
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00635
|
|
|
|
Lambda probe heating in front of catalyst
|
|
|
|
|
Open circuit/short to earth
|
Wiring open circuit/short to earth
|
- Check Lambda probe heating
=> Page 24-27
|
|
|
|
- Check wiring for short to earth:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
|
|
|
G39 defective
|
- Replace G39 => Page 24-9
, item 4
|
|
|
Short to positive
|
Wire has short to positive
|
- Check Lambda probe heating
|
|
|
|
- Check wiring for short to positive:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
|
|
|
G39 defective
|
- Replace G39 => Page 24-9
, item 4
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00640
|
|
|
|
|
Lambda probe heating relay
-J278
|
Wiring has short circuit to positive
|
- Check J278 => Page 01-53
, final control diagnosis
|
|
|
Short circuit to positive
|
|
- Locate short circuit according to current flow diagram and rectify:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
|
|
|
Open circuit/short to earth
|
Wiring open circuit or short to earth
|
- Check wiring to J278
=> Current flow diagram, Electrical fault finding and Fitting locations binder
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
00668
|
|
|
|
System voltage terminal 30
|
|
|
|
|
Signal too low
|
Battery voltage below 10.0 V
|
- Check battery
=> Electrical system; Repair group 27;
=> Checking and charging battery
|
|
|
|
- Check Motronic control unit (J220) voltage supply
=> Page 24-112
|
|
|
After replacing the Motronic control unit J220
The fault is also displayed when the connectors are pulled off engine control unit.
|
- Perform basic setting
=> Page 01-13
, interrogate and erase fault memory
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
01119
|
|
|
|
Gear recognition signal
|
|
|
|
|
Short to earth
|
Wire has short to earth
|
- Read measured value block:
=> Automatic gearbox 099;
=> Repair group 01; Self-diagnosis
|
Note on fault code 01119:
On vehicles with an automatic gearbox the engine control unit recognises whether the selector lever is in "P" or "N" or whether a gear is engaged via this signal.
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
01165
|
|
|
|
Throttle valve control part -J338
|
|
|
|
|
Fault in the basic setting
|
Accelerator cable incorrectly adjusted
|
- Check accelerator cable adjustment:
=> Repair group 20; Removing and installing parts of the fuel supply system; Servicing accelerator mechanism
|
|
|
Motronic control unit (J220) and/or throttle valve control unit (J338) has been replaced
|
- Perform basic setting
=> Page 24-120
|
|
01177
|
|
|
|
Control unit defective
|
Internal components in Motronic control unit (J220) defective
Possible attempted manipulation of software
|
- If necessary renew J220
, item 2
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
01242
|
|
|
|
|
Control unit output stages
|
Loose wiring contacts to control elements or Motronic control unit (J220) defective
|
- Carry out final control diagnosis
=> Page 01-53
|
|
|
Mechanical fault
|
|
- Check wiring to control elements for loose contacts.
Renew J220 if necessary
=> Page 24-8
, item 2
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
01247
|
|
|
|
Activated charcoal filter solenoid valve 1 -N80
|
|
|
|
|
Short to positive
|
N80 defective
|
- Check N80
=> Page 01-53
, final control diagnosis
|
|
|
Wiring or N80 has short to positive
|
|
|
|
Open circuit/short to earth
|
N80 defective
|
|
|
|
Wiring open circuit or short to earth
|
- Renew N80:
=> Repair group 20; Removing and installing parts of fuel supply system; servicing parts of activated charcoal filter system
|
|
|
Defective
|
N80 defective
|
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
01249
|
|
|
|
Injector Cyl. 1 -N30
|
|
|
|
|
Short to positive
|
Wire or N30 has short to positive
|
- Check injectors
=> Page 01-53
, final control diagnosis
|
|
|
|
- Check injector wiring => Page 24-83
, checking injectors
|
|
|
Open circuit/short to earth
|
Wiring open circuit/short to earth
|
- Check injectors
=> Page 01-53
, final control diagnosis
|
|
|
|
- Check injector wiring => Page 24-83
, checking injectors
|
|
|
N30 defective
|
- If necessary replace appropriate injector => Page 24-81
, removing and installing injectors
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
01250
|
|
|
|
Injector Cyl. 2 -N31
|
|
|
|
|
Short to positive
|
- => Injector Cyl. 1,
Fault code 01249
|
- => Injector Cyl. 1,
Fault code 01249
|
|
|
Open circuit/short to earth
|
|
|
|
01251
|
|
|
|
Injector Cyl. 3 -N32
|
|
|
|
|
Short to positive
|
- => Injector Cyl. 1,
Fault code 01249
|
- => Injector Cyl. 1,
Fault code 01249
|
|
|
Open circuit/short to earth
|
|
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
01252
|
|
|
|
Injector Cyl. 4 -N33
|
|
|
|
|
Short to positive
|
- => Injector Cyl. 1,
Fault code 01249
|
- => Injector Cyl 1,
Fault code 01249
|
|
|
Open circuit/short to earth
|
|
|
|
01253
|
|
|
|
Injector Cyl. 5 -N83
|
|
|
|
|
Short to positive
|
- => Injector Cyl. 1,
Fault code 01249
|
- => Injector Cyl. 1,
Fault code 01249
|
|
|
Open circuit/short to earth
|
|
|
|
01254
|
|
|
|
Injector Cyl. 6 -N84
|
|
|
|
|
Short to positive
|
- => Injector Cyl. 1,
Fault code 01249
|
- => Injector Cyl. 1,
Fault code 01249
|
|
|
Open circuit/short to earth
|
|
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
01257
|
|
|
|
|
Idling speed stabilization valve
-N71
|
Short circuit to positive in wiring or N71
|
- Check N71 => Page 01-53
, final control diagnosis
|
|
|
Short circuit to positive
|
|
|
|
|
Open circuit/short circuit to earth
|
Open circuit or short circuit to earth in wiring
|
|
|
|
|
N71 defective
|
- Renew N71 if necessary => Page 24-21
, item 18
|
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
01259
|
|
|
|
Fuel pump relay -J17
|
|
|
|
|
Short to positive
|
Wire has short to positive
|
- Locate and eliminate short using current flow diagram:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
|
|
|
J17 defective
|
- If necessary replace J17:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
|
|
|
Open circuit/short to earth
|
Wiring open circuit/short to earth
|
- Locate and eliminate short using current flow diagram:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder
|
Note on fault code 01259:
If the fault "01259" is stored the faults "01247 and 01249...01254" could also be stored as these components are supplied with voltage via the fuel pump relay.
|
|
|---|
|
V.A.G 1551 print-out
|
Possible fault cause
|
Fault elimination
|
|
17978
|
|
|
|
Engine control unit blocked
|
Attempted manipulation
|
- Match the engine electronic control unit to the electronic immobilizer
|
|
|
Short in communication wire
|
- Check electronic immobilizer:
=> Electrical system; Repair group 96;
=> Servicing electronic immobilizer
|
|
|
Incorrect coding
|
|
|
|
Immobilizer control unit defective/not fitted
|
|
|
65535
|
|
|
|
|
Control unit defective
|
Component in Motronic control unit (J220)
|
- Renew J220 if necessary => Page 24-8
, item 2
|
Note to fault code 17978:
The control electronics for the immobilizer are located inside the dash panel insert and cannot be replaced separately.
If starting is attempted with a non-authorised key a statistical fault will be stored. After a subsequent start with an authorised key the fault will be converted to a sporadic fault.
|
