Vauxhall Workshop Service and Repair Manuals

Test

Test Equipment

Check

Notes

Nominal

Step

Multimeter

Value

MKM-587-A

of

between

17

Ohmmeter, range 20 MW

Body wiring harness

(central closing)

K37/ Ter. 20

Ground

·   Disconnect central locking control unit wiring harness plug K37

·   Disconnect sun roof motor wiring harness plug M61

·   Disconnect body/driver's door wiring harness plug X11

·   Disconnect body/co-driver's door wiring harness plug X12

·   Disconnect body/rear left door wiring harness plug X13

·   Disconnect body/rear right door wiring harness plug X14

greater than

2 MW

Ohmmeter, range 200 W

Body wiring harness

(central closing)

K37 Ter. 20

·   Measurement in wiring harness plug K37

·   Connect central locking control unit wiring harness plug K37/Ter. 20 to ground

greater than

2 MW

X11/ Ter. 21

·   Measurement in wiring harness plug X11

approx.

0 W

X12/ Ter. 21

·   Measurement in wiring harness plug X12

approx.

0 W

X13/ Ter. 1

·   Measurement in wiring harness plug X13

approx.

0 W

X14/ Ter. 1

·   Measurement in wiring harness plug X14

·   After completing measurements, remove connection to wiring harness plug K37

approx.

0 W

Possible Faults:

(If nominal value is not attained)

·   Interruption/short circuit in body wiring harness.

If nominal values are attained:

·   Fault in wiring harness for doors or ECWW motor defective. To localise fault, carry out test steps 18-21.

·   Fault in central locking control unit K37.

·   Fault in sun roof motor M61 (drive unit).