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C-017 Knock Sensor Signal Circuit > < C-015 Cylinder 3 Injector Circuit

Astra H

C-016 - Cylinder 4 Injector Circuit

Test

Work Order Description

Nominal Value
T001

Check: Interruption of Voltage Supply Circuit
  • Ignition OFF
  • All consumers turned off
  • Disconnect wiring harness connector from:
    L2D Injection Valve - Cylinder 4
    A84 Control Unit - Engine
  • Ignition ON
  • Measure voltage between the following terminals:
    L2D Injection Valve - Cylinder 4
    Wiring harness connector (wiring harness side) wiring colour BNYE
    &
    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:
T002

Check: Short to Ground of Signal Circuit
  • Ignition OFF
  • Measure resistance between the following terminals:
    L2D Injection Valve - Cylinder 4
    Wiring harness connector (wiring harness side) wiring colour BNYE
    &
    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:
T003

Check: Interruption of Signal Circuit
  • Measure resistance between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 12 (XC3)
    &
    L2D Injection Valve - Cylinder 4
    Wiring harness connector (wiring harness side) wiring colour BNYE

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:
T004

Check: Interruption of Voltage Supply Circuit
  • Remove electrical component from socket:
    K2_X125 Relay - Engine Control Unit
  • Connect fused jumper wire to:
    K2_X125 Relay - Engine Control Unit
    Socket Terminal 87
    &
    Battery voltage
  • Measure voltage between the following terminals:
    L2D Injection Valve - Cylinder 4
    Wiring harness connector (wiring harness side) wiring colour BNBK
    &
    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:
T005

Check: Component
  • Connect wiring harness connector to:
    L2D Injection Valve - Cylinder 4
  • Ignition ON
  • Contact fused jumper wire once to:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 12 (XC3)
    &
    Ground

Clicking noise from the valve
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: Defective Component
  • Defective component:
    L2D Injection Valve - Cylinder 4
E003 Result: Interruption
  • Circuit interruption between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) wiring colour 32(XE3)
    &
    L2D Injection Valve - Cylinder 4
    Wiring harness connector (wiring harness side) wiring colour BNBK

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.

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: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 12 (XC3)
    &
    L2D Injection Valve - Cylinder 4
    Wiring harness connector (wiring harness side) wiring colour BNYE

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: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 12 (XC3)
    &
    L2D Injection Valve - Cylinder 4
    Wiring harness connector (wiring harness side) wiring colour BNYE

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: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 12 (XC3)
    &
    L2D Injection Valve - Cylinder 4
    Wiring harness connector (wiring harness side) wiring colour BNYE

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-017 Knock Sensor Signal Circuit > < C-015 Cylinder 3 Injector Circuit