Vauxhall Workshop Service and Repair Manuals

No.

TECH 1 Display

Conditions for Checking

Nominal Value

Trouble Codes

Terminal

32

A/C CUTOFF

Engine running at idle speed,

operating temperature

AC switch OFF

AC switch ON

Briefly depress accelerator pedal

to full load stop (full throttle)

10 seconds later:

ACTIVE

INACTIVE

ACTIVE

INACTIVE

-

-

The engine control unit will switch the air conditioning off under certain circumstances. That is the case if the engine load or temperature is too high, for example. As there is no additional AC cutoff relay, the engine control unit switches the relay K 60 off in the event of an overload. Trouble-shooting for relay K 60 is outlined in test step 31.

Trouble-shooting:

Nominal Value:

Cause of Fault:

(If nominal value is not attained)

·   Engine running at idle speed, operating temperature

·   AC switch ON

·   Disconnect coolant temperature sensor plug and bridge:

·   10 seconds later:

       INACTIVE

       ACTIVE

       INACTIVE

·   Control unit defective

Delete trouble code 15