Vauxhall Workshop Service and Repair Manuals

No.

TECH 1 Display

Conditions for Checking

Nominal Value

Trouble Codes

Terminal

08

KNOCK SIGNAL

Ignition ON

INACTIVE

16, 17, 18

11, 29

Engine running at idle speed, operating temperature

INACTIVE

Depress accelerator pedal briefly to full load stop

briefly ACTIVE

Note:

This test will only function if the accelerator pedal is depressed briefly to full load stop once, not several times in a row.

Even under the conditions specified above, it is possible that the knock signal does not switch to active, although there is no fault in the system.