C 1500 Suburban 2WD V8-454 7.4L VIN N TBI (1995)
6. Checks for open or grounded CKT 439.
7. Checks for open CKT 543 or faulty control module.
DIAGNOSTIC AIDS
Check all connections. If OK, refer to Diagnosis By Symptom / Intermittents See: Computers and Control Systems/Testing and
Inspection/Symptom Related Diagnostic Procedures/Intermittent Condition
IAC valve reset procedure:
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Disconnect battery terminal for 10 seconds, then reconnect terminal.
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Ignition "ON," engine "OFF" for 5 seconds.
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Ignition "OFF" for 10 seconds.
