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C-005 5V Circuit 2 > < C-003 Control Unit Main Relay Circuit

Astra H

C-004 - 5V Circuit 1

Test

Work Order Description

Nominal Value
T001

Check: Component
  • Ignition OFF
  • Disconnect wiring harness connector from:
    B22 Sensor - Pedal Position
  • Ignition ON
  • Trouble Code Update

Is the diagnostic trouble code P0641 with status PRESENT stored?
Yes: No:
T002

Check: Component
  • Ignition OFF
    Disconnect wiring harness connector from:
    B28 Sensor - Camshaft
  • Ignition ON
  • Trouble Code Update

Is the diagnostic trouble code P0641 with status PRESENT stored?
Yes: No:
T003

Check: Short to Voltage of Voltage Supply Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    A84 Control Unit - Engine
    (Wiring Harness Connector XC12 )
  • Ignition ON
  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 45 (XC12)
    &
    Ground

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

Check: Short to Ground of Voltage Supply Circuit
  • Ignition OFF
  • Measure resistance between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 45 (XC12)
    &
    Ground

greater than 500 kOhm
Resistance Measurement Current Value: kOhm
Yes: No:
T005

Check: Short to Ground of Voltage Supply Circuit
  • Disconnect wiring harness connector from:
    X125 Underhood Electronic Module
    (Wiring Harness Connector XE2 )
  • Measure resistance between the following terminals:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 4 (XE2)
    &
    Ground

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

Check: Short to Voltage of Voltage Supply Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    X125 Underhood Electronic Module
    (Wiring Harness Connector XE2 )
  • Ignition ON
  • Measure voltage between the following terminals:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 4 (XE2)
    &
    Ground

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

Check: Short to Voltage of Signal Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    A84 Control Unit - Engine
    (Wiring Harness Connector XC12 )
  • Ignition ON
  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 9 (XC12)
    &
    Ground

less than 0.3 V
Voltage Measurement Current Value: V
Yes: No:
T008

Check: Short to Voltage of Ground Circuit
  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 30 (XC12)
    &
    Ground

less than 0.3 V
Voltage Measurement Current Value: V
Yes: No:
T009

Check: Short to Voltage of Ground Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    X125 Underhood Electronic Module
    (Wiring Harness Connector XE2 )
  • Ignition ON
  • Measure voltage between the following terminals:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 5 (XE2)
    &
    Ground

less than 0.3 V
Voltage Measurement Current Value: V
Yes: No:
T010

Check: Short to Voltage of Signal Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    X125 Underhood Electronic Module
    (Wiring Harness Connector XE2 )
  • Ignition ON
  • Measure voltage between the following terminals:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 19 (XE2)
    &
    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: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 45 (XC12)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 36 (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.
E003 Result: Short to Ground
  • Short circuit to ground between:
    B22 Sensor - Pedal Position
    Wiring harness connector (wiring harness side) terminal 2
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 4 (XE2)
E004 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 45 (XC12)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 36 (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.
E005 Result: Short to Voltage
  • Short circuit to voltage between:
    B22 Sensor - Pedal Position
    Wiring harness connector (wiring harness side) terminal 2
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 4 (XE2)
E006 Result: Defective Component
  • Defective component:
    B28 Sensor - Camshaft
E007 Result: Defective Component
  • Defective component:
    A84 Control Unit - Engine
    or
    B22 Sensor - Pedal Position

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:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 37 (XE3)
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 30 (XC12)

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:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 5 (XE2)
    &
    B22 Sensor - Pedal Position
    Wiring harness connector (wiring harness side) terminal 4
E010 Result: Short to Voltage
  • Short circuit to voltage between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 44 (XE3)
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 9 (XC12)

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: Short to Voltage
  • Short circuit to voltage between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 19 (XE2)
    &
    B22 Sensor - Pedal Position
    Wiring harness connector (wiring harness side) terminal 3





C-005 5V Circuit 2 > < C-003 Control Unit Main Relay Circuit