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C-043 Fuse FE1 Circuit > < C-041 Fuse FB5 Circuit

Astra H

C-042 - Fuse FB6 Circuit

Test

Work Order Description

Nominal Value
T001

Check: Vehicle Configuration

Is the following information correct for the actual vehicle?

Vehicle with REC (Rear Electronic Module)
Yes: No:
T002

Check: Short to Ground of Voltage Supply Circuit
  • Ignition OFF
  • Reconnect all disconnected components
  • All consumers turned off
  • Remove electrical component from socket:
    FB6 Fuse
  • Insert 30 A fuse in the fused jumper wire
  • Connect fused jumper wire to:
    FB6 Fuse
    Output contact
    &
    Battery voltage
  • Check the following component for proper operation:
    Fuse of the fused jumper wire

Test okay?
Yes: No:
T003

Check: Short to Ground of Voltage Supply Circuit
  • Ignition ON
  • Engine running
  • Rear window heating switch ON
  • Check the following component for proper operation:
    Fuse of the fused jumper wire

Test okay?
Yes: No:
T004

Check: Short to Ground of Voltage Supply Circuit
  • Ignition OFF
  • Remove electrical component from socket:
    K3_X131 Relay - Heated Back Window
  • Connect fused jumper wire to:
    K3_X131 Relay - Heated Back Window
    Socket Terminal 87
    &
    Battery voltage
  • Check the following component for proper operation:
    Fuse of the fused jumper wire

Test okay?
Yes: No:
T005

Check: Short to Ground of Voltage Supply Circuit
  • Remove fused jumper wire
  • Remove electrical component from socket:
    K2_X131 Relay - Terminal 15a
  • Connect fused jumper wire to:
    K2_X131 Relay - Terminal 15a
    Socket Terminal 87
    &
    Battery voltage
  • Check the following component for proper operation:
    Fuse of the fused jumper wire

Test okay?
Yes: No:
T006

Check: Short to Ground of Voltage Supply Circuit
  • Remove fused jumper wire
  • Remove electrical component from socket:
    K1_X131 Relay - Terminal 15
  • Connect fused jumper wire to:
    K1_X131 Relay - Terminal 15
    Socket Terminal 87
    &
    Battery voltage
  • Check the following component for proper operation:
    Fuse of the fused jumper wire

Test okay?
Yes: No:
T007

Check: Short to Ground of Voltage Supply Circuit
  • Remove fused jumper wire
  • Disconnect wiring harness connector from:
    X131 Rear Electronic Module
    (Wiring Harness Connector XR6 )
  • Measure resistance between:
    FB6 Fuse
    Output contact
    &
    Ground

greater than 500 kOhm
Resistance Measurement Current Value: kOhm
Yes: No:
T008

Check: Short to Ground of Voltage Supply Circuit
  • Remove electrical component from socket:
    FB5 Fuse
  • Measure resistance between:
    FB5 Fuse
    Output contact
    &
    Ground

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

Check: Component
  • Remove electrical component from socket:
    K3_X131 Relay - Heated Back Window
  • Connect fused jumper wire to:
    K3_X131 Relay - Heated Back Window
    Socket Terminal 30
    &
    Battery voltage
  • Check the following component for proper operation:
    Fuse of the fused jumper wire
  • Disconnect each of the following components/control units consecutively from the wiring harness and repeat the check each time:
    K2_X131 Relay - Terminal 15a
    K1_X131 Relay - Terminal 15

Test okay?
Yes: No:
T010

Check: Short to Ground of Voltage Supply Circuit
  • Ignition OFF
  • Reconnect all disconnected components
  • All consumers turned off
  • Insert new fuse FB6 and then check the fuse for proper operation.

Test okay?
Yes: No:


Result

Cause Of Fault
E001 Result: System Overload
  • A temporary current overload in the system behind fuse FB6 has occurred

Note:

In case of a temporary current overload, the cause for the blow of the fuse may be located in a circuit behind the control unit/component.

These circuits should be checked additionally for short to ground.
E002 Result: Defective Component
  • Defective component:
    K3_X131 Relay - Heated Back Window
    or
    K2_X131 Relay - Terminal 15a
    or
    K1_X131 Relay - Terminal 15

Note:

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

The system must be checked for proper operation after every replacement.
E003 Result: Defective Component
  • Defective component:
    X131 Rear 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: Defective Component
  • If the nominal value is reached during one of the measurements, the component/control unit that has been disconnected immediately before that measurement is defective.

Note:

If the defective component is a switching device (e.g. switch or relay) or a fuse, the cause for the fault may be located in the circuit behind that component.
In case of a switching device, the corresponding part of the circuit should be checked for short to ground/voltage before replacing the component.

E005 Result: Short to Ground
  • Short circuit to ground between:
    FB5 Fuse
    Output contact
    &
    X131 Rear Electronic Module
    Wiring harness connector (wiring harness side) terminal 2 (XR6)
E006 Result: Short to Ground
  • Short circuit to ground between:
    FB6 Fuse
    Output contact
    &
    X131 Rear Electronic Module
    Wiring harness connector (wiring harness side) terminal 1 (XR6)
E007 Result: System Overload
  • A temporary current overload in the system behind fuse FB6 has occurred
E008 Result: Short to Ground
  • Short circuit to ground between:
    FB6 Fuse
    Output contact
    &
    F54 Fuse
    Input contact
    &
    Concerned terminals of all wiring harness connectors, which are connected with the corresponding lead.





C-043 Fuse FE1 Circuit > < C-041 Fuse FB5 Circuit