Vauxhall Workshop Service and Repair Manuals

Test

Work Order Description

Nominal Value

Check: Diagnostic Trouble Code stored

Is the following Diagnostic Trouble Code stored?

P0560

System Voltage Malfunction

Check: Component

• Engine running
• Measure voltage between the following terminals:
  G1 Battery
  Terminal 30
  &
  Ground

less than 15 V

Check: Vehicle Configuration

Is the following information correct for the actual vehicle?

Check: Transition Resistance of Voltage Supply Circuit

• Ignition OFF
• All consumers turned off
• Disconnect wiring harness connector from:
  A84 Control Unit - Engine
  (Wiring Harness Connector (Z 14 XEP) (Z 14 XEL) (Z 12 XEP) XC2 (Z 20 LEL) (Z 20 LER) (Z 20 LEH) XC8 (Z 18 XE) (Z 18 XER) XC4 (Z 13 DTH) XC20 (Z 16 XER) XC100 (Z 16 LET) (A 16 LET) XC98 (Z 22 YH) XC55 )
• Disconnect wiring harness connector from:
  Diagnostic tester
• Ignition ON
• Connect test lamp ( 21 W ) and multimeter in parallel and measure voltage between the following terminals:
  A84 Control Unit - Engine
  Wiring harness connector (wiring harness side) terminal (Z 14 XEP) (Z 14 XEL) (Z 12 XEP) 18(XC2) (Z 20 LEL) (Z 20 LER) (Z 20 LEH) 18(XC8) (Z 18 XE) (Z 18 XER) 32(XC4) (Z 13 DTH) 50 (XC20) (Z 16 XER) 32 (XC100) (Z 16 LET) (A 16 LET) 18 (XC98) (Z 22 YH) 34 (XC55)
  &
  Ground

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

Check: Transition Resistance of Voltage Supply Circuit

• Remove electrical component from socket:
  K2_X125 Relay - Engine Control Unit
• Connect test lamp ( 21 W ) and multimeter in parallel and measure voltage between the following terminals:
  K2_X125 Relay - Engine Control Unit
  Socket Terminal 86,30
  &
  Ground

greater than 11 V

Check: Transition Resistance of Voltage Supply Circuit

• Insert electrical component in socket:
  K2_X125 Relay - Engine Control Unit
• Connect fused jumper wire to:
  A84 Control Unit - Engine
  Wiring harness connector (wiring harness side) terminal (Z 14 XEP) (Z 14 XEL) (Z 12 XEP) 19 (XC2) (Z 20 LEL) (Z 20 LER) (Z 20 LEH) 19 (XC8) (2006 - 2007), (Z 16 XEP) (Z 16 XE1) 16 (XC10) (Z 18 XE) 36 (XC4) (Z 19 DTH) (Z 19 DT) (Z 19 DTL) 72 (XC53) (Z 13 DTH) 80 (XC20) (Z 18 XER) 62 (XC4) (Z 17 DTH) (Z 17 DTL) 72 (XC12) (Z 16 XER) 62 (XC100) (Z 16 LET) (A 16 LET) 19 (XC98) (Z 17 DTJ) (Z 17 DTR) (A 17 DTJ) (A 17 DTR) 56 (XC96) (Z 22 YH) 37 (XC55)
  &
  Ground
• Connect test lamp ( 21 W ) and multimeter in parallel and measure voltage between the following terminals:
  A84 Control Unit - Engine
  Wiring harness connector (wiring harness side) terminal (Z 14 XEP) (Z 14 XEL) (Z 12 XEP) 33,49 (XC2) (Z 20 LEL) (Z 20 LER) (Z 20 LEH) 33,49 (XC8) (2006 - 2007), (Z 16 XEP) (Z 16 XE1) 2,14,19 (XC10) (Z 18 XE) 23 (XC3) 31,47(XC4) (Z 19 DTH) (Z 19 DT) (Z 19 DTL) 1, 3, 5 (XC53) (Z 13 DTH) 4,5,6 (XC20) (Z 18 XER) 31,47(XC4) (Z 17 DTH) (Z 17 DTL) 1, 5 (XC12) (Z 16 XER) 31, 47 (XC100) (Z 16 LET) (A 16 LET) 33, 49 (XC98) (Z 17 DTJ) (Z 17 DTR) (A 17 DTJ) (A 17 DTR) 5, 6 (XC96) (Z 22 YH) 1, 18, 33, 50 (XC55)
  &
  Ground

Note:

Z 16 XEP:

During model year 2005 the following changes occur:

The wiring harness connector terminal 47, 48, 64 (XC9) is no longer connected

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

Check: Transition Resistance of Ground Circuit

• Ignition ON
• Connect test lamp ( 21 W ) and multimeter in parallel and measure voltage between the following terminals:
  A84 Control Unit - Engine
  Wiring harness connector (wiring harness side) terminal (Z 17 DTH) (Z 17 DTL) 28 (XC12) (Z 14 XEP) (Z 14 XEL) (Z 12 XEP) 51 (XC2) (Z 20 LEL) (Z 20 LER) (Z 20 LEH) 51 (XC8) (Z 16 XEP) (Z 16 XE1) 52 (XC10) (Z 18 XE) (Z 18 XER) 64 (XC4) (Z 19 DTH) (Z 19 DT) (Z 19 DTL) 28 (XC53) (Z 13 DTH) 23 (XC20) (Z 16 XER) 64 (XC100) (Z 16 LET) (A 16 LET) 51 (XC98) (Z 17 DTJ) (Z 17 DTR) (A 17 DTJ) (A 17 DTR) 9, 10 (XC96) (Z 22 YH) 2 (XC55)
  &
  Ground

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

greater than 11 V

Check: Vehicle Configuration

Is the following information correct for the actual vehicle?

Check: Transition Resistance of Voltage Supply Circuit

• Ignition OFF
• Remove electrical component from socket:
  FE30 Fuse
• Ignition ON
• Connect test lamp ( 21 W ) and multimeter in parallel and measure voltage between the following terminals:
  FE30 Fuse
  Input contact
  &
  Ground

greater than 11 V

Check: Transition Resistance of Voltage Supply Circuit

• Ignition OFF
• Remove electrical component from socket:
  K3_X125 Relay - Terminal 15
• Connect test lamp ( 21 W ) and multimeter in parallel and measure voltage between the following terminals:
  K3_X125 Relay - Terminal 15
  Socket Terminal 30
  &
  Ground

greater than 11 V

Check: Transition Resistance of Voltage Supply Circuit

• Ignition OFF
• Remove electrical component from socket:
  FE22 Fuse
• Ignition ON
• Connect test lamp ( 21 W ) and multimeter in parallel and measure voltage between the following terminals:
  FE22 Fuse
  Input contact
  &
  Ground

greater than 11 V

Result

Cause Of Fault

• The fault causes merely an entry in the fault memory, the system behaviour will not be influenced. The control unit should only be replaced in agreement with the customer.

• High transition resistance between:
  A84 Control Unit - Engine
  Wiring harness connector (wiring harness side) terminal (Z 19 DTH) (Z 19 DT) (Z 19 DTL) 2, 4, 6 (XC53) (Z 17 DTL) (Z 17 DTH) 2, 4, 6 (XC12) (Z 13 DTH) 1,2,3 (XC20) (Z 17 DTJ) (Z 17 DTR) (A 17 DTJ) (A 17 DTR) 1, 2, 3, 4, 32 (XC96)
  &
  Ground

or

• Defective component:
  A84 Control Unit - Engine

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.

• High transition resistance between:
  A84 Control Unit - Engine
  &
  Ground

or

• Defective component:
  A84 Control Unit - Engine

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.

• High transition resistance / Circuit interruption between:
  X125 Underhood Electronic Module
  Socket Terminal 22 (XE3)
  &
  A84 Control Unit - Engine
  Wiring harness connector (wiring harness side) terminal (Z 17 DTL) (Z 17 DTH) 28 (XC12) (Z 14 XEP) (Z 14 XEL) (Z 12 XEP) 51 (XC2) (Z 20 LEL) (Z 20 LER) (Z 20 LEH) 51 (XC8) (Z 16 XEP) (Z 16 XE1) 52 (XC10) (Z 18 XE) (Z 18 XER) 64 (XC4) (Z 19 DTH) (Z 19 DT) (Z 19 DTL) 28 (XC53) (Z 16 XER) 64 (XC100) (Z 16 LET) (A 16 LET) 51 (XC98) (Z 17 DTJ) (Z 17 DTR) (A 17 DTJ) (A 17 DTR) 9, 10 (XC96) (Z 22 YH) 2 (XC55)

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.

• 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.

• High transition resistance between:
  X125 Underhood Electronic Module
  Socket Terminal (Z 14 XEP) (Z 14 XEL) (Z 12 XEP) 28 (XE3) (Z 20 LEL) (Z 20 LER) (Z 20 LEH) 28 (XE3) (Z 18 XE) 28 (XE3) (Z 19 DTH) (Z 19 DT) (Z 19 DTL) 28 (XE3) (Z 13 DTH) 28 (XE3) (Z 18 XER) 28 (XE3) (Z 17 DTH) (Z 17 DTL) 28 (XE3) (2006 - 2007), (Z 16 XEP) (Z 16 XE1) 28 (XE3) (Z 16 XER) 28 (XE3) (Z 16 LET) (A 16 LET) 28 (XE3) (Z 17 DTJ) (Z 17 DTR) (A 17 DTJ) (A 17 DTR) 28 (XE3) (Z 22 YH) 28 (XE3)
  &
  A84 Control Unit - Engine
  Wiring harness connector (wiring harness side) terminal (Z 14 XEP) (Z 14 XEL) (Z 12 XEP) 33,49 (XC2) (Z 20 LEL) (Z 20 LER) (Z 20 LEH) 33,49 (XC8) (Z 18 XE) 23 (XC3) 31,47(XC4) (Z 19 DTH) (Z 19 DT) (Z 19 DTL) 1, 3, 5 (XC53) (Z 13 DTH) 4,5,6 (XC20) (Z 18 XER) 31,47(XC4) (Z 17 DTH) (Z 17 DTL) 1, 5 (XC12) (2006 - 2007), (Z 16 XEP) (Z 16 XE1) 2, 14, 19 (XC10) (Z 16 XER) 31, 47 (XC100) (Z 16 LET) (A 16 LET) 33, 49 (XC98) (Z 17 DTJ) (Z 17 DTR) (A 17 DTJ) (A 17 DTR) 5, 6 (XC96) (Z 22 YH) 2 (XC55)

or

• Defective component:
  K2_X125 Relay - Engine Control Unit
  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.

-

Z 16 XEP:

During model year 2005 the following changes occur:

The wiring harness connector terminal 47, 48, 64 (XC9) is no longer connected

• 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.

• High transition resistance between:
  X125 Underhood Electronic Module
  Socket Terminal 20 (XE3)
  &
  A84 Control Unit - Engine
  Wiring harness connector (wiring harness side) terminal (Z 14 XEP) (Z 14 XEL) (Z 12 XEP) 18(XC2) (Z 20 LEL) (Z 20 LER) (Z 20 LEH) 18(XC8) (Z 18 XE) (Z 18 XER) 32(XC4) (Z 13 DTH) 50 (XC20) (Z 16 XER) 32 (XC100) (Z 16 LET) (A 16 LET) 18 (XC98) (Z 22 YH) 34 (XC55)

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.

• High transition resistance between:
  G1 Battery
  Wiring harness connector (wiring harness side) terminal 30
  &
  X125 Underhood Electronic Module

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.

• Defective component:
  G8 Alternator