KOER WIGGLE TEST Procedure

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 CODE REFERENCE CHART table in appropriate TESTS W/CODES article in the ENGINE PERFORMANCE Section.