Vauxhall Workshop Service and Repair Manuals

No.

TECH 1 Display

Conditions for Checking

Nominal Value

Trouble Codes

Terminal

34

IAC ADAPT. SLOPE 

Engine running at idle speed, operating temperature

Switch off all consumers

56, 57

-

C 20 XE engine: 

C 25 XE engine: 

120 to 170 steps

130 to 170 steps

Note:

The IAC ADAPT. SLOPE indicates the size of the deviation from the nominal air requirements of the engine.

Via the IAC ADAPT. SLOPE , evaluation of the learned values of the system can be made after a journey (speed influence).

Notes on Trouble-shooting:

Nominal Value:

Cause of Fault:

·   See Table F0: DATA LIST, test step 33