Vauxhall Workshop Service and Repair Manuals

Test

Test Equipment

Check

Notes

Nominal

Step

Multimeter

Value

MKM-587-A

of

between

12

Ohmmeter, range 200 W

Rear left ECWW switch S37.3 in switch S37 (console)

X13/ Ter. 5

2-pin/ Ter. B (SW)

·   Disconnect rear left door wiring harness plug X13

·   Disconnect 2-pin wiring harness plug

·   Press "raise" on switch S37.3 and hold down

·   Measurement in wiring harness plug X13 (body side) and in 2-pin plug (left)

approx.

0 W

X13/

Ter. 9

2-pin/

Ter. B

(SW)

·   Press "lower" on switch S37.3 and hold down

·   Measurement in wiring harness plug X13 (body side) and in 2-pin plug (left)

approx.

0 W

Possible Faults:

(If nominal value is not attained)

·   Interruption or short circuit in body wiring harness between rear left door wiring harness plug X13 and 9-pin console wiring harness plug.

·   6-pin and/or 9-pin console wiring harness plug detached.

·   Interruption or short circuit between ECWW switch S37.3 and 9-pin console wiring harness plug (internally)

·   Interruption or short circuit in body wiring harness between body ground and 6-pin console wiring harness plug Ter. 5.

·   Interruption or short circuit in body wiring harness between body ground and rear left door wiring harness plug X13/Ter. 4.

·   Ground connection corroded.

·   ECWW switch S37.3 defective.