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C-010 Return Pump Circuit > < C-008 Steering Angle Sensor Circuit

Astra H

C-009 - Solenoid Valve Circuit

Test

Work Order Description

Nominal Value
T001

Check: Short to Ground/Interruption of Voltage Supply Circuit
  • Ignition OFF
  • Disconnect wiring harness connector from:
    A37 Control Unit - Anti-Lock Brake System
  • Measure voltage between the following terminals:
    A37 Control Unit - Anti-Lock Brake System
    Wiring harness connector (wiring harness side) terminal 1
    &
    Ground

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

Check: Circuit Interruption of Ground Circuit
  • Measure voltage between the following terminals:
    A37 Control Unit - Anti-Lock Brake System
    Wiring harness connector (wiring harness side) terminal 1
    &
    A37 Control Unit - Anti-Lock Brake System
    Wiring harness connector (wiring harness side) terminal 13

greater than 11 V
Voltage Measurement Current Value: V
Yes: No:
T003

Check: Interruption of Voltage Supply Circuit
  • Remove electrical component from socket:
    FE1 Fuse
  • Measure voltage between the following terminals:
    FE1 Fuse
    Input contact
    &
    Ground

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


Result

Cause Of Fault
E001 Result: Defective Component
  • Defective component:
    A37 Control Unit - Anti-Lock Brake System
    or
    ABS, Hydraulic Unit

Important:

For vehicles with ESP, the Steering Angle Sensor and the Yaw Rate Sensor have to be calibrated by using the diagnostic tester after replacing the control unit.

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:
    A37 Control Unit - Anti-Lock Brake System
    Wiring harness connector (wiring harness side) terminal 13
    &
    Ground
E003 Result: Interruption
  • Circuit interruption between:
    X125 Underhood Electronic Module
    Wiring harness connector (wiring harness side) terminal 29 (XE2)
    &
    A37 Control Unit - Anti-Lock Brake System
    Wiring harness connector (wiring harness side) terminal 1

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.
E004 Result: Interruption
  • 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-010 Return Pump Circuit > < C-008 Steering Angle Sensor Circuit