vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

C-008 Intake Air Temperature Sensor Circuit > < C-006 Throttle Position Motor Control Circuit

C-007 - Mass Air Flow Circuit

Test

Work Order Description

Nominal Value

T001

Check: Short to Ground/Interruption of Voltage Supply Circuit

  • Ignition OFF
  • Disconnect wiring harness connector from:
    B69 Air Mass Meter
  • Ignition ON
  • Measure voltage between the following terminals:
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 2
    &
    Ground

greater than 11 V

Voltage Measurement Current Value: V
Yes: No:
T002

Check: Short to Voltage/Interruption of Ground Circuit

  • Measure voltage between the following terminals:
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 2
    &
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 3

greater than 11 V

Voltage Measurement Current Value: V
Yes: No:
T003

Check: Short to Voltage/Ground/Interruption of Voltage Supply

  • Measure voltage between the following terminals:
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 4
    &
    Ground

4.8 ... 5.2 V

Voltage Measurement Current Value: V
Yes: No:
T004

Check: Short to Voltage of Signal Circuit

  • Measure voltage between the following terminals:
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 5
    &
    Ground

less than 0.3 V

Voltage Measurement Current Value: V
Yes: No:
T005

Check: Short to Ground of Signal Circuit

  • Ignition OFF
  • Disconnect wiring harness connector from:
    M3 Motor - Radiator Fan
    and
    A84 Control Unit - Engine
    (Wiring Harness Connector XC1 )
  • Measure resistance between the following terminals:
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 5
    &
    Ground

greater than 500 kOhm

Resistance Measurement Current Value: kOhm
Yes: No:
T006

Check: Interruption of Signal Circuit

  • Measure resistance between the following terminals:
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 5
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 6 (XC1)

less than 5 Ohm

Resistance Measurement Current Value: Ohm
Yes: No:
T007

Check: Short to Voltage/Ground/Interruption of Voltage Supply

  • Ignition OFF
  • Disconnect wiring harness connector from:
    B28 Sensor - Camshaft
  • Ignition ON
  • Measure voltage between the following terminals:
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 4
    &
    Ground
  • Disconnect each of the following components/control units consecutively from the wiring harness and repeat the measurement each time:
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    B22 Sensor - Pedal Position

4.8 ... 5.2 V

Voltage Measurement Current Value: V
Yes: No:
T008

Check: Vehicle Configuration

Is the following information correct for the actual vehicle?

Astra-H, Electronic Climate Control ECC
Astra-H, Air Conditioning (not ECC)
Astra-H, Automatic Climate Control SAC
Yes: No:
T009

Check: Short to Voltage/Ground/Interruption of Voltage Supply

  • Ignition OFF
  • Disconnect wiring harness connector from:
    B18 Sensor - Pressure, Air Conditioning
  • Ignition ON
  • Measure voltage between the following terminals:
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 4
    &
    Ground

4.8 ... 5.2 V

Voltage Measurement Current Value: V
Yes: No:
T010

Check: Short to Voltage/Ground/Interruption of Voltage Supply

  • Measure voltage between the following terminals:
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 4
    &
    Ground

less than 0.3 V

Voltage Measurement Current Value: V
Yes: No:
T011

Check: Short to Ground/Interruption of Voltage Supply Circuit

  • Ignition OFF
  • Measure resistance between the following terminals:
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 4
    &
    Ground

greater than 500 kOhm

Resistance Measurement Current Value: kOhm
Yes: No:


Result

Cause Of Fault

E001 Result: Defective Component
  • Defective component:
    B69 Air Mass Meter
E002 Result: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 6 (XC1)
    &
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 5
E003 Result: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 6 (XC1)
    &
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 5
E004 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 6 (XC1)
    &
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 5
E005 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.
E006 Result: Interruption
  • Circuit interruption between:
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 4
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 24 (XC1)
E007 Result: Short to Ground
  • Short circuit to ground between:
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 4
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 24 (XC1)
    &
    or
    Concerned terminals of all wiring harness connectors, which are connected with the corresponding lead.
E008 Result: Short to Voltage
  • Short circuit to voltage between:
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 4
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 24 (XC1)
    or
    Concerned terminals of all wiring harness connectors, which are connected with the corresponding lead.
E009 Result: Short to Voltage/Interruption
  • Short circuit to voltage/interruption of circuit between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 26 (XC1)
    &
    B69 Air Mass Meter
    Wiring harness connector (wiring harness side) terminal 3
E010 Result: Interruption
  • Circuit interruption between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal (Front Wheel Drive, Manual-Transmission-Automatic (Easytronic) F13-5MTA/F17-5MTA) 21 (XE3) (Front Wheel Drive, Manual Transmission) 22 (XE3)
    &
    B69 Air Mass Meter
    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.






C-008 Intake Air Temperature Sensor Circuit > < C-006 Throttle Position Motor Control Circuit