vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

C-002 5V Circuit 2 > < B-032 Fuse Check 5

C-001 - 5V Circuit 1

Test

Work Order Description

Nominal Value

T001

Check: Component

  • Ignition OFF
  • Disconnect wiring harness connector from:
    B67 Sensor - Absolute Pressure, Intake Manifold
  • Ignition ON
  • Trouble Code Update

Is the diagnostic trouble code P1620 with status PRESENT stored?

Yes: No:
T002

Check: Component

  • Ignition OFF
  • Disconnect wiring harness connector from:
    B1_Y21B Sensor - Twinport Position
  • Ignition ON
  • Trouble Code Update

Is the diagnostic trouble code P1620 with status PRESENT stored?

Yes: No:
T003

Check: Component

  • Ignition OFF
  • Disconnect wiring harness connector from:
    A111 Throttle Valve - Positioner
  • Ignition ON
  • Trouble Code Update

Is the diagnostic trouble code P1620 with status PRESENT stored?

Yes: No:
T004

Check: Component

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

Is the diagnostic trouble code P1620 with status PRESENT stored?

Yes: No:
T005

Check: Vehicle Configuration

Is the following information correct for the actual vehicle?

Astra-H, Air Conditioning (not ECC)
Astra-H, Electronic Climate Control ECC
Astra-H, Automatic Climate Control SAC
Yes: No:
T006

Check: Component

  • Ignition OFF
  • Disconnect wiring harness connector from:
    B18 Sensor - Pressure, Air Conditioning
  • Ignition ON
  • Trouble Code Update

Is the diagnostic trouble code P1620 with status PRESENT stored?

Yes: No:
T007

Check: Short to Voltage of Voltage Supply Circuit

  • Ignition OFF
  • Disconnect wiring harness connector from:
    A84 Control Unit - Engine
    (Wiring Harness Connector XC9, XC10 )
  • Ignition ON
  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 45 (XC9)
    &
    Ground

less than 0.3 V

Voltage Measurement Current Value: V
Yes: No:
T008

Check: Short to Voltage of Voltage Supply Circuit

  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 63 (XC9)
    &
    Ground

less than 0.3 V

Voltage Measurement Current Value: V
Yes: No:
T009

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 63 (XC9)
    &
    Ground

greater than 500 kOhm

Resistance Measurement Current Value: kOhm
Yes: No:
T010

Check: Short to Voltage of Voltage Supply Circuit

  • Ignition ON
  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 13 (XC9)
    &
    Ground

less than 0.3 V

Voltage Measurement Current Value: V
Yes: No:
T011

Check: Short to Voltage of Voltage Supply Circuit

  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 46 (XC9)
    &
    Ground

less than 0.3 V

Voltage Measurement Current Value: V
Yes: No:
T012

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 46 (XC9)
    &
    Ground

greater than 500 kOhm

Resistance Measurement Current Value: kOhm
Yes: No:
T013

Check: Short to Voltage of Voltage Supply Circuit

  • Ignition ON
  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 33 (XC10)
    &
    Ground

less than 0.3 V

Voltage Measurement Current Value: V
Yes: No:
T014

Check: Short to Voltage of Voltage Supply Circuit

  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 20 (XC10)
    &
    Ground

less than 0.3 V

Voltage Measurement Current Value: V
Yes: No:
T015

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 20 (XC10)
    &
    Ground

greater than 500 kOhm

Resistance Measurement Current Value: kOhm
Yes: No:
T016

Check: Vehicle Configuration

Is the following information correct for the actual vehicle?

Astra-H, Air Conditioning (not ECC)
Astra-H, Automatic Climate Control SAC
Astra-H, Electronic Climate Control ECC
Yes: No:
T017

Check: Short to Voltage of Voltage Supply Circuit

  • Ignition ON
  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 34 (XC10)
    &
    Ground

less than 0.3 V

Voltage Measurement Current Value: V
Yes: No:
T018

Check: Short to Voltage of Voltage Supply Circuit

  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 3 (XC10)
    &
    Ground

less than 0.3 V

Voltage Measurement Current Value: V
Yes: No:
T019

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 3 (XC10)
    &
    Ground

greater than 500 kOhm

Resistance Measurement Current Value: kOhm
Yes: No:
T020

Check: Short to Ground of Voltage Supply Circuit

  • Disconnect wiring harness connector from:
    X125 Underhood Electronic Module
  • Measure resistance between the following terminals:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 37 (XE1)
    &
    Ground

greater than 500 kOhm

Resistance Measurement Current Value: kOhm
Yes: No:
T021

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 37 (XE1)
    &
    Ground

less than 0.3 V

Voltage Measurement Current Value: V
Yes: No:
T022

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 10 (XE1)
    &
    Ground

less than 0.3 V

Voltage Measurement Current Value: V
Yes: No:
T023

Check: Short to Ground of Voltage Supply Circuit

  • Disconnect wiring harness connector from:
    X125 Underhood Electronic Module
  • Measure resistance between the following terminals:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 17 (XE2)
    &
    Ground

greater than 500 kOhm

Resistance Measurement Current Value: kOhm
Yes: No:
T024

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 17 (XE2)
    &
    Ground

less than 0.3 V

Voltage Measurement Current Value: V
Yes: No:
T025

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 18 (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 3 (XC10)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 10 (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:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 37 (XE1)
    &
    B18 Sensor - Pressure, Air Conditioning
    Wiring harness connector (wiring harness side) terminal 2

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.

E004 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 3 (XC10)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 10 (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:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 37 (XE1)
    &
    B18 Sensor - Pressure, Air Conditioning
    Wiring harness connector (wiring harness side) terminal 2

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 Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 34 (XC10)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 7 (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.

E007 Result: Short to Voltage
  • Short circuit to voltage between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 10 (XE1)
    &
    B18 Sensor - Pressure, Air Conditioning
    Wiring harness connector (wiring harness side) terminal 1

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: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 20 (XC10)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 42 (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 Ground
  • Short circuit to ground between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 17 (XE2)
    &
    B22 Sensor - Pedal Position
    Wiring harness connector (wiring harness side) terminal 1

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 Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 20 (XC10)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 42 (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.

E011 Result: Short to Voltage
  • Short circuit to voltage between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 17 (XE2)
    &
    B22 Sensor - Pedal Position
    Wiring harness connector (wiring harness side) terminal 1

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.

E012 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 33 (XC10)
    &
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 43 (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.

E013 Result: Short to Voltage
  • Short circuit to voltage between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 18 (XE2)
    &
    B22 Sensor - Pedal Position
    Wiring harness connector (wiring harness side) terminal 5

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.

E014 Result: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 46 (XC9)
    &
    A111 Throttle Valve - Positioner
    Wiring harness connector (wiring harness side) terminal F
E015 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 46 (XC9)
    &
    A111 Throttle Valve - Positioner
    Wiring harness connector (wiring harness side) terminal F
E016 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 13 (XC9)
    &
    A111 Throttle Valve - Positioner
    Wiring harness connector (wiring harness side) terminal B
E017 Result: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 63 (XC9)
    &
    B67 Sensor - Absolute Pressure, Intake Manifold
    Wiring harness connector (wiring harness side) terminal 1
    &
    B1_Y21B Sensor - Twinport Position
    Wiring harness connector (wiring harness side) terminal 3
E018 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 63 (XC9)
    &
    B67 Sensor - Absolute Pressure, Intake Manifold
    Wiring harness connector (wiring harness side) terminal 1
    &
    B1_Y21B Sensor - Twinport Position
    Wiring harness connector (wiring harness side) terminal 3
E019 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 45 (XC9)
    &
    B67 Sensor - Absolute Pressure, Intake Manifold
    Wiring harness connector (wiring harness side) terminal 2
    &
    B1_Y21B Sensor - Twinport Position
    Wiring harness connector (wiring harness side) terminal 2
E020 Result: Defective Component
  • Defective component:
    B18 Sensor - Pressure, Air Conditioning
E021 Result: Defective Component
  • Defective component:
    B22 Sensor - Pedal Position
E022 Result: Defective Component
  • Defective component:
    A111 Throttle Valve - Positioner
E023 Result: Defective Component
  • Defective component:
    B1_Y21B Sensor - Twinport Position
E024 Result: Defective Component
  • Defective component:
    B67 Sensor - Absolute Pressure, Intake Manifold





C-002 5V Circuit 2 > < B-032 Fuse Check 5