Vauxhall Workshop Service and Repair Manuals

Test

Work Order Description

Nominal Value

Check: Short to Voltage of Signal Circuit

• Ignition OFF
• Remove electrical component from socket:
  K3_X125 Relay - Terminal 15
• Measure voltage between the following terminals:
  K3_X125 Relay - Terminal 15
  Socket Terminal 86
  &
  Ground

less than 0.3 V

Check: Diagnostic Trouble Code stored

• Was the trouble code B1375 set by the following control unit?
  UEC

Note:

The control unit is displayed by the TECH 2 .

Check: Diagnostic Trouble Code stored

• Was the trouble code B1375 set by the following control unit?
  REC

Note:

The control unit is displayed by the TECH 2 .

Check: Vehicle Configuration

Is the following information correct for the actual vehicle?

Check: Diagnostic Trouble Code stored

• Was the trouble code B1375 set by the following control unit?
  IPC

Note:

The control unit is displayed by the TECH2 .

Check: Vehicle Configuration

Is the following information correct for the actual vehicle?

Check: Short to Voltage of Voltage Supply Circuit

• Remove electrical component from socket:
  FR18 Fuse
• Measure voltage between the following terminals:
  FR18 Fuse
  Input contact
  &
  Ground

less than 0.3 V

Check: Interruption of Voltage Supply Circuit

• Ignition ON
• Measure voltage between the following terminals:
  FR18 Fuse
  Input contact
  &
  Ground

greater than 11 V

Check: Short to Voltage of Voltage Supply Circuit

• Ignition OFF
• Disconnect wiring harness connector from:
  P3 Instrument
• Measure voltage between the following terminals:
  P3 Instrument
  Wiring harness connector (wiring harness side) terminal 27
  &
  Ground

less than 0.3 V

Check: Interruption of Voltage Supply Circuit

• Insert electrical component in socket:
  FR18 Fuse
• Ignition ON
• Measure voltage between the following terminals:
  P3 Instrument
  Wiring harness connector (wiring harness side) terminal 27
  &
  Ground

greater than 11 V

Check: Interruption of Voltage Supply Circuit

• Ignition OFF
• Remove electrical component from socket:
  K1_X131 Relay - Terminal 15
• Ignition ON
• Measure voltage between the following terminals:
  K1_X131 Relay - Terminal 15
  Socket Terminal 86
  &
  Ground

greater than 11 V

Check: Short to Voltage of Voltage Supply Circuit

• Remove electrical component from socket:
  FE33 Fuse
• Measure voltage between the following terminals:
  FE33 Fuse
  Input contact
  &
  Ground

less than 0.3 V

Check: Interruption of Voltage Supply Circuit

• Ignition ON
• Measure voltage between the following terminals:
  FE33 Fuse
  Input contact
  &
  Ground

greater than 11 V

Check: Short to Voltage of Voltage Supply Circuit

• Ignition OFF
• Disconnect wiring harness connector from:
  P3 Instrument
• Measure voltage between the following terminals:
  P3 Instrument
  Wiring harness connector (wiring harness side) terminal 27
  &
  Ground

less than 0.3 V

Check: Interruption of Voltage Supply Circuit

• Insert electrical component in socket:
  FE33 Fuse
• Ignition ON
• Measure voltage between the following terminals:
  P3 Instrument
  Wiring harness connector (wiring harness side) terminal 27
  &
  Ground

greater than 11 V

Check: Interruption of Voltage Supply Circuit

• Ignition OFF
• Remove electrical component from socket:
  K3_X125 Relay - Terminal 15
• Ignition ON
• Measure voltage between the following terminals:
  K3_X125 Relay - Terminal 15
  Socket Terminal 86
  &
  Ground

greater than 11 V

Check: Diagnostic Trouble Code stored

• Was the trouble code B1441 set by the following control unit?
  PEPS

Note:

The control unit is displayed by the TECH2 .

Check: Diagnostic Trouble Code stored

• Was the trouble code B1453 set by the following control unit?
  CIM

Note:

The control unit is displayed by the TECH2 .

Check: Short to Voltage of Voltage Supply Circuit

• Remove electrical component from socket:
  FR16 Fuse
• Measure voltage between the following terminals:
  FR16 Fuse
  Input contact
  &
  Ground

less than 0.3 V

Check: Interruption of Voltage Supply Circuit

• Ignition ON
• Measure voltage between the following terminals:
  FR16 Fuse
  Input contact
  &
  Ground

greater than 11 V

Check: Short to Voltage of Voltage Supply Circuit

• Ignition OFF
• Disconnect wiring harness connector from:
  A165 Control Unit - Open & Start
• Measure voltage between the following terminals:
  A165 Control Unit - Open & Start
  Wiring harness connector (wiring harness side) terminal 16
  &
  Ground

less than 0.3 V

Check: Interruption of Voltage Supply Circuit

• Connect fused jumper wire to:
  FR16 Fuse
  Output contact
  &
  Battery Voltage (Positive Terminal)
• Measure voltage between the following terminals:
  A165 Control Unit - Open & Start
  Wiring harness connector (wiring harness side) terminal 16
  &
  Ground

greater than 11 V

Check: Vehicle Configuration

Is the following information correct for the actual vehicle?

Check: Short to Voltage of Signal Circuit

• Disconnect wiring harness connector from:
  A165 Control Unit - Open & Start
• Measure voltage between the following terminals:
  K3_X125 Relay - Terminal 15
  Socket Terminal 86
  &
  Ground

less than 0.3 V

Check: Vehicle Configuration

Is the following information correct for the actual vehicle?

Check: Short to Voltage of Signal Circuit

• Disconnect wiring harness connector from:
  X131 Rear Electronic Module
• Measure voltage between the following terminals:
  K3_X125 Relay - Terminal 15
  Socket Terminal 86
  &
  Ground

less than 0.3 V

Check: Short to Voltage of Signal Circuit

Important:

Before commencing work on the restraint system:
Ignition OFF
Disconnect the ground cable from battery and mask the negative terminal.
Wait 1 minute until the capacitor in the airbag control unit has discharged.
When commencing work on pyrotechnic seat belt tensioners, it is sufficient to switch the ignition off.

• Disconnect wiring harness connector from:
  A63 Control Unit - Airbag
• Measure voltage between the following terminals:
  K3_X125 Relay - Terminal 15
  Socket Terminal 86
  &
  Ground

less than 0.3 V

Check: Short to Voltage of Signal Circuit

• Disconnect wiring harness connector from:
  A105 Column Integrated Module
• Measure voltage between the following terminals:
  K3_X125 Relay - Terminal 15
  Socket Terminal 86
  &
  Ground

less than 0.3 V

Check: Short to Voltage of Signal Circuit

• Disconnect wiring harness connector from:
  A37 Control Unit - Anti-Lock Brake System
• Measure voltage between the following terminals:
  K3_X125 Relay - Terminal 15
  Socket Terminal 86
  &
  Ground

less than 0.3 V

Result

Cause Of Fault

• Circuit interruption between:
  A105 Column Integrated Module
  Wiring harness connector (wiring harness side) terminal 2 (XC46)
  &
  X125 Underhood Electronic Module
  Socket Terminal 14 (XE2)

or

• Defective component:
  A105 Column Integrated Module
  or
  X125 Underhood Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

Note:

The replacement of the components must be done in the listed order.

The system must be checked for proper operation after every replacement.

• Circuit interruption between:
  A105 Column Integrated Module
  Wiring harness connector (wiring harness side) terminal 2 (XC46)
  &
  X131 Rear Electronic Module
  Wiring harness connector (wiring harness side) terminal 57 (XR5)

or

• Defective component:
  A105 Column Integrated Module
  or
  X131 Rear Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

Note:

The replacement of the components must be done in the listed order.

The system must be checked for proper operation after every replacement.

• Defective component:
  P3 Instrument
  or
  X131 Rear Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

Note:

The replacement of the components must be done in the listed order.

The system must be checked for proper operation after every replacement.

• Circuit interruption between:
  X131 Rear Electronic Module
  Wiring harness connector (wiring harness side) terminal 8 (XR4)
  &
  P3 Instrument
  Wiring harness connector (wiring harness side) terminal 27

or

• Defective component:
  X131 Rear Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

• Short circuit to voltage between:
  X131 Rear Electronic Module
  Wiring harness connector (wiring harness side) terminal 8 (XR4)
  &
  P3 Instrument
  Wiring harness connector (wiring harness side) terminal 27

or

• Defective component:
  X131 Rear Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

• Circuit interruption between:
  X131 Rear Electronic Module
  Wiring harness connector (wiring harness side) terminal 18 (XR4)
  &
  Ground

or

• Defective component:
  K1_X131 Relay - Terminal 15
  or
  X131 Rear Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

Note:

The replacement of the components must be done in the listed order.

The system must be checked for proper operation after every replacement.

• Defective component:
  X131 Rear Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

• Defective component:
  K1_X131 Relay - Terminal 15
  or
  X131 Rear Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

Note:

The replacement of the components must be done in the listed order.

The system must be checked for proper operation after every replacement.

• Defective component:
  P3 Instrument
  or
  X125 Underhood Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

Note:

The replacement of the components must be done in the listed order.

The system must be checked for proper operation after every replacement.

• Circuit interruption between:
  X125 Underhood Electronic Module
  Socket Terminal 39 (XE2)
  &
  P3 Instrument
  Wiring harness connector (wiring harness side) terminal 27

• Short circuit to voltage between:
  X125 Underhood Electronic Module
  Socket Terminal 39 (XE2)
  &
  P3 Instrument
  Wiring harness connector (wiring harness side) terminal 27

or

• Defective component:
  X125 Underhood Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

• Circuit interruption between:
  X125 Underhood Electronic Module
  Socket Terminal 47 (XE1)
  &
  Ground

or

• Defective component:
  K3_X125 Relay - Terminal 15
  or
  X125 Underhood Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

Note:

The replacement of the components must be done in the listed order.

The system must be checked for proper operation after every replacement.

• Defective component:
  X125 Underhood Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

• Defective component:
  K3_X125 Relay - Terminal 15
  or
  X125 Underhood Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

Note:

The replacement of the components must be done in the listed order.

The system must be checked for proper operation after every replacement.

or

• Defective component:
  A165 Control Unit - Open & Start

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

• Defective component:
  A165 Control Unit - Open & Start
  or
  X131 Rear Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

Note:

The replacement of the components must be done in the listed order.

The system must be checked for proper operation after every replacement.

• Circuit interruption between:
  X131 Rear Electronic Module
  Wiring harness connector (wiring harness side) terminal 15 (XR4)
  &
  A165 Control Unit - Open & Start
  Wiring harness connector (wiring harness side) terminal 16

or

• Defective component:
  X131 Rear Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

• Short circuit to voltage between:
  X131 Rear Electronic Module
  Wiring harness connector (wiring harness side) terminal 15 (XR4)
  &
  A165 Control Unit - Open & Start
  Wiring harness connector (wiring harness side) terminal 16

or

• Defective component:
  X131 Rear Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.

• If the nominal value is reached during one of the measurements, the component/control unit that has been disconnected immediately before that measurement is defective.

• Short circuit to voltage between:
  A105 Column Integrated Module
  Wiring harness connector (wiring harness side) terminal 2 (XC46)
  &
  X125 Underhood Electronic Module
  Socket Terminal 14 (XE2)
  &
  Wiring harness connector terminals of all components (wiring harness side), which were disconnected from the wiring harness during this troubleshooting session

or

• Defective component:
  X125 Underhood Electronic Module

Important:

Reset the concerned control unit with the diagnostic tester before replacing it. In order to do that, call up the "RESET" function from the PROGRAMMING menu of the current system on the diagnostic tester.