wiring diagram AUDI A4 2000 B5 / 1.G AFC Engine Idle Air Control Valve Checking Workshop Manual
Page 5 of 5
24-40
If the wiring is OK but triggering still does NOT occur:
If the triggering signal and the wiring are OK and the valve still does not
react: - Check wiring between harness connector terminal 1 (in engine
compartment) to test box socket D11, then check wiring between
harness connector terminal 2 and test box socket D9 using wiring
diagram; correct as necessary.
- Replace ECM Repair Group 01.- Replace Idle Air Control (IAC) valve.
Pa
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(IAC
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