Vauxhall Workshop Service and Repair Manuals

Trouble Code

Trouble Code Storage when...

Remarks

91

Trouble code is stored if the SDA and SCL lines are mixed up.

Notes for Trouble-shooting:

Nominal Value:

Cause of Fault:

·  Remove DID.

·   Disconnect plug from DID.

·   Remove radio

·  Measure resistance between DID plug Ter. 9 and radio plug SCL:

< 1 W

·  Wiring harness defective

·   Connection in line from DID plug Ter. 9 to radio plug SCL terminal interrupted, or SDA and SCL lines mixed up.

·  Install DID.

·   Install radio.

·   Switch on radio:

no trouble codes

·  Radio defective

    or

·  DID defective