KOER Wiggle Test

Connect test equipment. See appropriate TESTS W/CODES article in the ENGINE PERFORMANCE section. Turn ignition off, and wait 10 seconds. Start engine. Activate self-test using jumper lead or diagnostic tester. Wait 10 seconds, and then deactivate and reactivate self-test to enter wiggle test. DO NOT turn engine off. Tap, move and wiggle the suspected sensor and/or harness area. If a fault is detected, a code may be stored in memory and indicated at the diagnostic tester or scan tool. Record or retrieve code, and perform CIRCUIT TEST indicated in appropriate TESTS W/CODES article in the ENGINE PERFORMANCE section.