Vauxhall Workshop Service and Repair Manuals

No.

TECH 1 Display

Conditions for Checking

Nominal Value

Trouble Codes

Terminal

31

A/C RELAY

Engine running at idle speed, operating temperature

AC switch OFF

AC switch ON

INACTIVE   12V

ACTIVE         0V

-

A 10 /

D 1

Trouble-shooting:

Nominal Value:

Cause of Fault:

(If nominal value is not attained)

·   Ignition OFF

·   Remove relay K 60

·   Measure voltage:

from:      relay socket K 60 Ter. 86

to:          ground

·   Ignition ON

greater than 11 volts

·   Fuse F 28 / F 21 defective

·   Lead interruption

from:      ignition lock Ter. 15

to:          relay socket K 60 Ter. 86

·   Ignition OFF

·   Insert relay K 60

·   Remove control unit K 57/K 91

·   Bridge wiring harness plug K 57/K 91:

from:      control unit K 57/K 91 Ter. A 10

to:          ground

·   Ignition ON

Relay engages.

·   Lead interruption

from:      control unit K 57/K 91 Ter. A 10

to:          X 8 Ter. 2 / X 4 Ter. 4

or

from:      X 8 Ter. 2 / X 4 Ter. 4

to:          relay socket K 60 Ter. 85

·   Relay defective.