KOER Wiggle Test Procedure

Connect test equipment. See Figure . Turn ignition off and wait 10 seconds. Start engine. Activate self-test with jumper lead or diagnostic tester. Wait 10 seconds, deactivate, and then reactivate self-test. DO NOT turn engine off. You are now in engine running Wiggle Test mode. Tap, move, and wiggle the suspected sensor and/or harness area. If a fault is detected, a service code may be stored in memory and indicated at the diagnostic tester or Scan tool. Record or retrieve code and perform test indicated in Continuous Memory Codes chart.