KOER Wiggle Test

1)  Turn ignition off. Connect test equipment. Start engine. Activate self-test using jumper lead or diagnostic tester. Wait 10 seconds, and then deactivate and reactivate self-test. DO NOT  turn engine off. KOER wiggle test mode is now activated.

2)  Tap, move and wiggle suspect sensor and/or harness area. If a fault is detected, scan tester should indicate a tone or light and VOM will perform needle sweep and/or MIL will come on. A service code may be stored in continuous memory. Retrieve code, and perform appropriate test. See SERVICE CODE REFERENCE CHARTS  .