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Vauxhall Workshop Service and Repair Manuals

C-029 O2 Sensor Circuit > < C-027 Exhaust Gas Temperature Sensor 3 Circuit

C-028 - Differential Pressure Sensor Circuit

Test

Work Order Description

Nominal Value

T001

Check: Diagnostic Trouble Code stored

Is the following Diagnostic Trouble Code stored?

P2452

Particulate Filter Differential Pressure Signal not Plausible with Mass Air Flow

Diagnostic Tester Diagnostic Trouble Code Current Value:
Yes: No:
T002

Check: Interruption of Voltage Supply Circuit

  • Ignition OFF
  • Disconnect wiring harness connector from:
    B175 Sensor - Pressure, Exhaust Gas
  • Ignition ON
  • Measure voltage between the following terminals:
    B175 Sensor - Pressure, Exhaust Gas
    Wiring harness connector (wiring harness side) terminal 1
    &
    B175 Sensor - Pressure, Exhaust Gas
    Wiring harness connector (wiring harness side) terminal 2

greater than 4.8 V

Voltage Measurement Current Value: V
Yes: No:
T003

Check: Short to Voltage of Signal Circuit

  • Diagnostic Tester Data List Parameter
    Differential Pressure Diesel Particulate Filter

4.8 ... 5.2 V

Diagnostic Tester Data List Parameter Current Value:
Yes: No:
T004

Check: Short to Voltage of Signal Circuit

  • Connect fused jumper wire to:
    B175 Sensor - Pressure, Exhaust Gas
    Wiring harness connector (wiring harness side) terminal 3
    &
    Ground
  • Diagnostic Tester Data List Parameter
    Differential Pressure Diesel Particulate Filter

less than 0.3 V

Diagnostic Tester Data List Parameter Current Value:
Yes: No:
T005

Check: Short to Voltage of Signal Circuit

  • Diagnostic Tester Data List Parameter
    Differential Pressure Diesel Particulate Filter

less than 4.8 V

Diagnostic Tester Data List Parameter Current Value:
Yes: No:
T006

Check: Circuit Interruption of Ground Circuit

  • Measure voltage between the following terminals:
    B175 Sensor - Pressure, Exhaust Gas
    Wiring harness connector (wiring harness side) terminal 1
    &
    Ground

greater than 4.8 V

Voltage Measurement Current Value: V
Yes: No:


Result

Cause Of Fault

E001 Result: Defective Component
  • Defective component:
    B175 Sensor - Pressure, Exhaust Gas

Note:

Check the hoses for leakage or blockage before replacing the component.

After replacing the following component the programming function for the replacement of the corresponding component has to be performed by using the diagnostic tester:

B175 Sensor - Pressure, Exhaust Gas

E002 Result: Defective Component
  • Defective component:
    B175 Sensor - Pressure, Exhaust Gas

Important:

Check the hoses for leakage or blockage before replacing the component.

After replacing the following component the programming function for the replacement of the corresponding component has to be performed by using the diagnostic tester:

B175 Sensor - Pressure, Exhaust Gas

E003 Result: Interruption
  • Circuit interruption between:
    B175 Sensor - Pressure, Exhaust Gas
    Wiring harness connector (wiring harness side) terminal 3
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 39 (XC97)

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.

E004 Result: Short to Ground
  • Short circuit to ground between:
    B175 Sensor - Pressure, Exhaust Gas
    Wiring harness connector (wiring harness side) terminal 3
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 39 (XC97)

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.

E005 Result: Short to Voltage
  • Short circuit to voltage between:
    B175 Sensor - Pressure, Exhaust Gas
    Wiring harness connector (wiring harness side) terminal 3
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 39 (XC97)

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.

E006 Result: Short to Voltage/Ground/Interruption
  • Short to voltage/ground/interruption of circuit between:
    B175 Sensor - Pressure, Exhaust Gas
    Wiring harness connector (wiring harness side) terminal 2
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 15 (XC97)

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.

E007 Result: Short to Voltage/Interruption
  • Circuit interruption between:
    B175 Sensor - Pressure, Exhaust Gas
    Wiring harness connector (wiring harness side) terminal 1
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 63 (XC97)

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.






C-029 O2 Sensor Circuit > < C-027 Exhaust Gas Temperature Sensor 3 Circuit