Vauxhall Workshop Service and Repair Manuals

Test

Work Order Description

Nominal Value

Check: Short to Ground of Voltage Supply Circuit

• Ignition OFF
• Reconnect all disconnected components
• All consumers turned off
• Insert new component:
  FR39 Fuse
• Ignition ON
• Actuate the following switch:
  S270.6 Switch - Seat Heating, Driver
• Check the following component for proper operation:
  FR39 Fuse

Test okay?

Check: Short to Ground of Voltage Supply Circuit

• Ignition OFF
• Disconnect wiring harness connector:
  X48 Body & Assembly - Seat, Driver
• Ignition ON
• Insert new fuse FR39 and then check the fuse for proper operation.

Test okay?

Result

Cause Of Fault

• A temporary current overload in the system behind fuse FR39 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.

• Defective component:
  A23 Control Unit - Seat Heating, Driver

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:

If the defective component is a control unit, the cause for the fault may be located in a circuit behind that component.

• Short circuit to ground between:
  X131 Rear Electronic Module
  Wiring harness connector (wiring harness side) terminal 21 (XR4)
  &
  X48 Body & Assembly - Seat, Driver
  Wiring harness connector (female side) terminal 8

or

• 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.