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C-030 Transmission Communication Circuit > < C-028 Fuel Rail Pressure Control Valve Circuit

Astra H

C-029 - Fuel Pump Relay Circuit

Test

Work Order Description

Nominal Value
T001

Check: Interruption of Voltage Supply Circuit
  • Ignition OFF
  • Remove electrical component from socket:
    K10_X125 Relay - Fuel Pump
  • Ignition ON
  • Measure voltage between the following terminals:
    K10_X125 Relay - Fuel Pump
    Socket Terminal 30
    &
    Ground

greater than 11 V
Voltage Measurement Current Value: V
Yes: No:
T002

Check: Circuit Interruption of Ground Circuit
  • Ignition OFF
  • Measure resistance between the following terminals:
    K10_X125 Relay - Fuel Pump
    Socket Terminal 85
    &
    Ground

less than 5 Ohm
Resistance Measurement Current Value: Ohm
Yes: No:
T003

Check: Short to Voltage of Signal Circuit
  • Disconnect wiring harness connector from:
    A84 Control Unit - Engine
    (Wiring Harness Connector XC55 )
  • Ignition ON
  • Measure voltage between the following terminals:
    K10_X125 Relay - Fuel Pump
    Socket Terminal 86
    &
    Ground

less than 0.3 V
Voltage Measurement Current Value: V
Yes: No:
T004

Check: Interruption of Signal Circuit
  • Measure resistance between the following terminals:
    K10_X125 Relay - Fuel Pump
    Socket Terminal 86
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 4 (XC55)

less than 5 Ohm
Resistance Measurement Current Value: Ohm
Yes: No:
T005

Check: Short to Ground of Signal Circuit
  • Measure resistance between the following terminals:
    K10_X125 Relay - Fuel Pump
    Socket Terminal 86
    &
    Ground

greater than 500 kOhm
Resistance Measurement Current Value: kOhm
Yes: No:
T006

Check: Short to Voltage of Voltage Supply Circuit
  • Ignition ON
  • Measure voltage between the following terminals:
    K10_X125 Relay - Fuel Pump
    Socket Terminal 87
    &
    Ground

less than 0.3 V
Voltage Measurement Current Value: V
Yes: No:
T007

Check: Interruption of Voltage Supply Circuit
  • Ignition OFF
  • Connect fused jumper wire to:
    K10_X125 Relay - Fuel Pump
    Socket Terminal 30
    &
    K10_X125 Relay - Fuel Pump
    Socket Terminal 87

Is the fuel pump running?
Yes: No:
T008

Check: Component
  • Insert electrical component in socket:
    K10_X125 Relay - Fuel Pump
  • Ignition ON
  • Connect fused jumper wire to:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 4 (XC55)
    &
    Battery voltage

Is the fuel pump running?
Yes: No:
T009

Check: Interruption of Voltage Supply Circuit
  • Disconnect wiring harness connector from:
    M8 Unit - Fuel Tank
  • Measure voltage between the following terminals:
    M8 Unit - Fuel Tank
    Wiring harness connector (wiring harness side) terminal 4
    &
    Ground

greater than 11 V
Voltage Measurement Current Value: V
Yes: No:
T010

Check: Short to Voltage of Voltage Supply Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    M8 Unit - Fuel Tank
  • Ignition ON
  • Measure voltage between the following terminals:
    K10_X125 Relay - Fuel Pump
    Socket Terminal 87
    &
    Ground

less than 0.3 V
Voltage Measurement Current Value: V
Yes: No:


Result

Cause Of Fault
E001 Result: Defective Component
  • 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.
E002 Result: Defective Component
  • Defective component:
    K10_X125 Relay - Fuel Pump
E003 Result: Interruption
  • Circuit interruption between:
    M8 Unit - Fuel Tank
    Wiring harness connector (wiring harness side) terminal 3
    &
    Ground

or

  • Defective component:
    M8 Unit - Fuel Tank
E004 Result: Short to Ground/Interruption
  • Circuit interruption between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 56 (XE2)
    &
    M8 Unit - Fuel Tank
    Wiring harness connector (wiring harness side) terminal 4

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.
E005 Result: Defective Component
  • Defective component:
    M8 Unit - Fuel Tank
E006 Result: Short to Voltage
  • Short circuit to voltage between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 56 (XE2)
    &
    M8 Unit - Fuel Tank
    Wiring harness connector (wiring harness side) terminal 4

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.
E007 Result: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 4 (XC55)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 13 (XE3)

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.
E008 Result: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 4 (XC55)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 13 (XE3)

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.
E009 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 4 (XC55)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 13 (XE3)

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.
E010 Result: Short to Ground/Interruption
  • Circuit interruption between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 47 (XE1)
    &
    Ground

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.
E011 Result: Defective Component
  • 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.





C-030 Transmission Communication Circuit > < C-028 Fuel Rail Pressure Control Valve Circuit