Vauxhall Workshop Service and Repair Manuals

Conditions for Checking

Nominal Value

Affected Terminals:           -

Possible Trouble Codes:    87, 88

25 DT diesel engine only:

Engine running at idle speed, operating temperature

Selector lever position "P"

Vehicle stationary

AC ON

Press F5 in the system main menu, select desired test with arrow keys and confirm with YES. Follow instructions in the TECH 1 display.

Note:

After the start of the test, the "A/C CUTOFF REQ." signal switches from ACTIVE 0V to INACTIVE 12V for a maximum of 30 s

ACTIVE         0V

INACTIVE      12V