vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

ABOUT US
C-016 Swirl Level Control Circuit > < C-014 Boost Pressure Control Valve Circuit

Astra H

C-015 - Exhaust Gas Recirculation Valve Circuit

Test

Work Order Description

Nominal Value
T001

Check: Interruption of Voltage Supply Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    Y56 Solenoid Valve - Exhaust Gas Recirculation
  • Ignition ON
  • Measure voltage between the following terminals:
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour GNRD
    &
    Ground

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

greater than 11 V
Voltage Measurement Current Value: V
Yes: No:
T002

Check: Short to Voltage/Ground/Interruption of Signal Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    A84 Control Unit - Engine
    (Wiring Harness Connector XC97 )
  • Ignition ON
  • Measure voltage between:
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour GNWH
    &
    Ground

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

less than 0.3 V
Voltage Measurement Current Value: V
Yes: No:
T003

Check: Short to Ground of Signal Circuit
  • Ignition OFF
  • Measure resistance between:
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour GNWH
    &
    Ground

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

greater than 500 kOhm
Resistance Measurement Current Value: kOhm
Yes: No:
T004

Check: Interruption of Signal Circuit
  • Measure resistance between:
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour GNWH
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 72 (XC97)

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

less than 5 Ohm
Resistance Measurement Current Value: Ohm
Yes: No:
T005

Check: Interruption of Voltage Supply Circuit
  • Measure resistance between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 60 (XC97)
    &
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour BKWH

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

less than 5 Ohm
Resistance Measurement Current Value: Ohm
Yes: No:
T006

Check: Circuit Interruption of Ground Circuit
  • Measure resistance between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 10 (XC97)
    &
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour GN

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

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

Check: Short to Voltage of Signal Circuit
  • Ignition ON
  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 34 (XC97)
    &
    Ground

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

Check: Short to Ground of Signal Circuit
  • Ignition OFF
  • Measure resistance between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 34 (XC97)
    &
    Ground

greater than 500 kOhm
Resistance Measurement Current Value: kOhm
Yes: No:
T009

Check: Interruption of Signal Circuit
  • Measure resistance between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 34 (XC97)
    &
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour BNWH

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

less than 5 Ohm
Resistance Measurement Current Value: Ohm
Yes: No:
T010

Check: Short to Ground/Interruption of Voltage Supply Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    A84 Control Unit - Engine
    (Wiring Harness Connector XC97 )
  • Ignition ON
  • Measure resistance between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 96 (XC97)
    &
    Ground

greater than 500 kOhm
Resistance Measurement Current Value: kOhm
Yes: No:
T011

Check: Interruption of Voltage Supply Circuit
  • Measure resistance between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 96 (XC97)
    &
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour GNRD

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

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


Result

Cause Of Fault
E001 Result: Defective Component
  • Defective component:
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    or
    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.

Note:

The replacement of the components must be done in the listed order.

The system must be checked for proper operation after every replacement.
E002 Result: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 34 (XC97)
    &
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour BNWH

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

E003 Result: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 34 (XC97)
    &
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour BNWH

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

E004 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 34 (XC97)
    &
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour BNWH

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

E005 Result: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 10 (XC97)
    &
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour GN

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.

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

E006 Result: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 60 (XC97)
    &
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour BKWH

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

E007 Result: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 72 (XC97)
    &
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour GNWH

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

E008 Result: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 72 (XC97)
    &
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour GNWH

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

E009 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 72 (XC97)
    &
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour GNWH

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

E010 Result: Defective Component
  • Defective component:
    A84 Control Unit - Engine

Note:

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: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 96 (XC97)
    &
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour GNRD

or

  • Defective component:
    A84 Control Unit - Engine

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark

E012 Result: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 96 (XC97)
    &
    Y56 Solenoid Valve - Exhaust Gas Recirculation
    Wiring harness connector (wiring harness side) wiring colour GNRD

Note:

Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow,
L=Light, D=Dark






C-016 Swirl Level Control Circuit > < C-014 Boost Pressure Control Valve Circuit