Vauxhall Workshop Service and Repair Manuals

Test Step

Test Equipment

Multimeter

Test

Notes

Nominal Value

MKM-587-A

of

between

Radiator fan relay K67

-   20 SE, X 20 SE, X 20 XEV

15a

Function of radiator fan relay K67

·   Disconnect radiator fan relay K52.

·   Disconnect wiring harness plug from switch S20 and bridge contacts 3 and 4.

·   Ignition on

Radiator fan motor M4 starts opera - ting.

Voltmeter

range

20 V, DC

Voltage supply for radiator fan relay K67

K67 / Ter. (2)

K67 / Ter. (4)

K67 / Ter. (8)

Ground

Ground

Ground

·   Test step only if function is not OK.

·   Disconnect radiator fan relay K52.

·   Disconnect wiring harness plug from switch S20 and bridge contacts 3 and 4.

·   Ignition on

»11,5 V

»11,5 V

»11,5 V

K67 / Ter. (6)

Ground

·   As above, except without bridge in  wiring harness plug of S20.

»11,5 V

Possible cause of fault, trouble - shooting:

1.    Fuse F15 defective.

2.    Fuse F42 defective.

3.    Switch S20 defective (see S20).

4.    Lead interruption between K67 / Ter. (4) and fuse output F42.

5.    Lead interruption between K67 / Ter. (2) and fuse output F15.

6.    Lead interruption between K67 / Ter. (8) and radiator fan motor M4 / lead RTWS

7.    Lead interruption between K67 / Ter. (6) and switch S20 / Ter. (3).

() Terminal in wiring harness plugs