Vauxhall Workshop Service and Repair Manuals

No.

TECH 1 Display

Conditions for Checking

Nominal Value

Trouble Codes

Terminal

-

RADIO CIRCUIT SHORT SDA/ SCL

Ignition OFF

121

9, 11

Notes for Trouble-shooting:

Nominal Value:

Cause of Fault:

(If nominal value is not attained)

·   Remove radio

·   Using multimeter, measure resistance between radio wiring

higher than 1 kW

·   SDA lead has short circuit to SCL lead

    harness plug Ter.17 and Ter. 22

·   TID defective

·   If nominal value is attained:

·   Radio defective

·   Remove instrument assembly

·   Disconnect TID wiring harness plug

·   Using multimeter, measure resistance between radio wiring

higher than 100 kW

·   SDA lead has short circuit to SCL lead

    harness plug Ter. 17 and Ter. 22

If nominal value is attained:

·   TID defective