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C-005 Pedal Position Sensor Circuit > < C-003 Crankshaft Sensor Circuit

Astra H

C-004 - 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: Interruption of Voltage Supply 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
  • 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:
T004

Check: Short to Voltage of Signal Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    A84 Control Unit - Engine
    (Wiring Harness Connector XC10 )
  • 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:
T005

Check: Short to Ground of Signal Circuit
  • Ignition OFF
  • 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: Interruption of Signal Circuit
  • Measure resistance between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 28 (XC10)
    &
    K10_X125 Relay - Fuel Pump
    Socket Terminal 86

less than 5 Ohm
Resistance Measurement Current Value: Ohm
Yes: No:
T007

Check: Interruption of Voltage Supply Circuit
  • Disconnect wiring harness connector from:
    M1_M8 Pump - Fuel
  • Connect fused jumper wire to:
    K10_X125 Relay - Fuel Pump
    Socket Terminal 30
    &
    K10_X125 Relay - Fuel Pump
    Socket Terminal 87
  • Measure voltage between the following terminals:
    M1_M8 Pump - Fuel
    Wiring harness connector (wiring harness side) terminal 4
    &
    Ground

greater than 11 V
Voltage Measurement Current Value: V
Yes: No:
T008

Check: Interruption of Signal Circuit
  • Connect wiring harness connector to:
    M1_M8 Pump - Fuel

Is the fuel pump running?
Yes: No:
T009

Check: Component
  • Remove fused jumper wire
  • Insert electrical component in socket:
    K10_X125 Relay - Fuel Pump
  • Ignition ON

Is the fuel pump running?
Yes: No:
T010

Check: Component
  • Connect fused jumper wire to:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 28 (XC10)
    &
    Ground

Is the fuel pump running?

and

Clicking noise from the relay
Yes: No:
T011

Check: Short to Voltage of Signal Circuit
  • Disconnect wiring harness connector from:
    X125 Underhood Electronic Module
  • Measure voltage between the following terminals:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 13 (XE3)
    &
    Ground

less than 0.3 V
Voltage Measurement Current Value: V
Yes: No:
T012

Check: Short to Voltage of Voltage Supply Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    X125 Underhood Electronic Module
  • Ignition ON
  • Measure voltage between the following terminals:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 32 (XE3) 56 (XE2)
    &
    Ground

less than 0.3 V
Voltage Measurement Current Value: V
Yes: No:
T013

Check: Short to Voltage of Voltage Supply Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    M1_M8 Pump - Fuel
  • Ignition ON
  • Measure voltage between the following terminals:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 32 (XE3) 56 (XE2)
    &
    Ground
  • Disconnect each of the following components/control units consecutively from the wiring harness and repeat the measurement each time:
    L2A Injection Valve - Cylinder 1
    L2B Injection Valve - Cylinder 2
    L2C Injection Valve - Cylinder 3
    L2D Injection Valve - Cylinder 4

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


Result

Cause Of Fault
E001 Result: Defective Component
  • Defective component:
    K10_X125 Relay - Fuel Pump
E002 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.
E003 Result: Interruption
  • Circuit interruption between:
    M1_M8 Pump - Fuel
    Wiring harness connector (wiring harness side) terminal 3
    &
    Ground

or

  • Defective component:
    M1_M8 Pump - Fuel
E004 Result: Interruption
  • Circuit interruption between:
    K10_X125 Relay - Fuel Pump
    Socket Terminal 87
    &
    M1_M8 Pump - Fuel
    Wiring harness connector (wiring harness side) terminal 4
    &
    Concerned terminals of all wiring harness connectors, which are connected with the corresponding lead.
E005 Result: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 28 (XC10)
    &
    K10_X125 Relay - Fuel Pump
    Socket Terminal 86

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.
E006 Result: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 28 (XC10)
    &
    K10_X125 Relay - Fuel Pump
    Socket Terminal 86

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: 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.
E008 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 28 (XC10)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 13 (XE3)

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.
E009 Result: Defective Component
  • 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.
E010 Result: Short to Voltage
  • Short circuit to voltage between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 32 (XE3) 56 (XE2)
    &
    M1_M8 Pump - Fuel
    Wiring harness connector (wiring harness side) terminal 4
    &
    Concerned terminals of all wiring harness connectors, which are connected with the corresponding lead.
E011 Result: Interruption
  • Circuit interruption between:
    K10_X125 Relay - Fuel Pump
    Socket Terminal 85
    &
    Ground

or

  • Defective component:
    X125 Underhood Electronic Module





C-005 Pedal Position Sensor Circuit > < C-003 Crankshaft Sensor Circuit