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C-003 Fuel Pump Relay Circuit > < C-001 Hardware Failure

Astra H

C-002 - Crankshaft Sensor Circuit

Test

Work Order Description

Nominal Value
T001

Check: Short to Voltage of Signal Circuit
  • Ignition OFF
  • Remove electrical component from socket:
    K12_X125 Relay - Radiator Fan
  • Disconnect wiring harness connector from:
    A84 Control Unit - Engine
    (Wiring Harness Connector XC7 )
  • Ignition ON
  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 43 (XC7)
    &
    Ground

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:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 43 (XC7)
    &
    Ground

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 27 (XC7)
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 43 (XC7)

800 ... 1200 Ohm
Resistance Measurement Current Value: Ohm
Yes: No:
T004

Check: Component
  • Ignition ON
  • Clutch pedal actuated
  • Start engine
  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 27 (XC7)
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 43 (XC7)

greater than 1 V

Alternating-current voltage
Voltage Measurement Current Value: V
Yes: No:
T005

Check: Short to Voltage of Signal Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    B30 Impulse Sensor - Crankshaft
  • Ignition ON
  • Measure voltage between the following terminals:
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 3
    &
    Ground

less than 0.3 V
Voltage Measurement Current Value: V
Yes: No:
T006

Check: Short to Ground of Signal Circuit
  • Ignition OFF
  • Measure resistance between the following terminals:
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 3
    &
    Ground

greater than 500 kOhm
Resistance Measurement Current Value: kOhm
Yes: No:
T007

Check: Interruption in Wiring Harness
  • Measure resistance between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 16 (XC7)
    &
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 3

less than 5 Ohm
Resistance Measurement Current Value: Ohm
Yes: No:
T008

Check: Short Circuit in Wiring Harness
  • Connect fused jumper wire to:
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 1
    &
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 2
  • Measure resistance between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 27 (XC7)
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 16 (XC7)

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 27 (XC7)
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 43 (XC7)

less than 800 Ohm
Resistance Measurement Current Value: Ohm
Yes: No:
T010

Check: Interruption of Signal Circuit
  • Disconnect wiring harness connector from:
    B30 Impulse Sensor - Crankshaft
  • Measure resistance between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 27 (XC7)
    &
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 1

less than 5 Ohm
Resistance Measurement Current Value: Ohm
Yes: No:
T011

Check: Short to Ground of Signal Circuit
  • Disconnect wiring harness connector from:
    B30 Impulse Sensor - Crankshaft
  • Measure resistance between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 43 (XC7)
    &
    Ground

greater than 500 kOhm
Resistance Measurement Current Value: kOhm
Yes: No:
T012

Check: Short to Voltage of Signal Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    B30 Impulse Sensor - Crankshaft
  • Ignition ON
  • Measure voltage between the following terminals:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 43 (XC7)
    &
    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 Circuit in Wiring Harness
  • Short circuit in wiring harness between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 16 (XC7)
    &
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 3
    &
    B28 Sensor - Camshaft
    Shielding of signal leads
E003 Result: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 16 (XC7)
    &
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 3
E004 Result: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 16 (XC7)
    &
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 3
    &
    B28 Sensor - Camshaft
    Shielding of signal leads
E005 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 16 (XC7)
    &
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 3
    &
    B28 Sensor - Camshaft
    Shielding of signal leads
E006 Result: Defective Component
  • Defective component:
    B30 Impulse Sensor - Crankshaft
    (intermittent problems, missing teeth, wrong reference point, incorrect gap position, etc.)
E007 Result: Short Circuit in Wiring Harness
  • Short circuit in wiring harness between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 27 (XC7)
    &
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 43 (XC7)

or

  • Defective component:
    B30 Impulse Sensor - Crankshaft
E008 Result: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 43 (XC7)
    &
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 2

or

  • Defective component:
    B30 Impulse Sensor - Crankshaft
E009 Result: Interruption
  • Circuit interruption between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 27 (XC7)
    &
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 1
E010 Result: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 27 (XC7)
    &
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 1

or

  • Defective component:
    B30 Impulse Sensor - Crankshaft
E011 Result: Short to Ground
  • Short circuit to ground between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 43 (XC7)
    &
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 2
E012 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 27 (XC7)
    &
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 1

or

  • Defective component:
    B30 Impulse Sensor - Crankshaft
E013 Result: Short to Voltage
  • Short circuit to voltage between:
    A84 Control Unit - Engine
    Wiring harness connector (wiring harness side) terminal 43 (XC7)
    &
    B30 Impulse Sensor - Crankshaft
    Wiring harness connector (wiring harness side) terminal 2





C-003 Fuel Pump Relay Circuit > < C-001 Hardware Failure