Continuous Monitor Diagnostic Test Mode (Wiggle Test)
NOTE: The technician can attempt to re-create and detect an intermittent fault using the Continuous Monitor DTM (Wiggle Test) procedures.KEY ON ENGINE OFF WIGGLE TEST PROCEDURE
1. Hook up a Super STAR II Tester, Volt/Ohm Meter (VOM), or scan tool.
2. Turn the ignition key to the ON position.
3. For Super STAR II Tester or VOM, activate, deactivate and reactivate Self-Test to enter Continuous Monitor Diagnostic Test Mode (DTM). For Scan Tool, enter DTM, then enter wiggle DTM.
4. Tap, move, and wiggle the suspect sensor and/or harness. When a fault is detected, a Continuous Memory DTC will be stored in memory and indicated as follows:
- Super STAR II tester: Continuous tone.
- Malfunction Indicator Lamp (MIL): Lights
- VOM: Needle sweep
- Scan tool: Continuous tone
KEY ON ENGINE RUNNING WIGGLE TEST PROCEDURE
NOTE: The Key ON Engine Running Wiggle Test may be activated any time the engine is running.
1. Hook up a Super STAR II Tester, VOM or scan tool.
2. Key OFF.
3. Start the engine.
4. For Super STAR II Tester or VOM, activate Self-Test, deactivate and reactivate Self-Test to enter Key ON Engine Running Continuous Monitor DTM. Do not shut the engine OFF. For scan tool, enter DTM, then enter wiggle DTM.
5. Tap, move, and wiggle the suspect sensor and/or harness or drive the vehicle. When a fault is detected, a Continuous Memory DTC will be stored in memory and indicated as follows:
- Super STAR II Tester: Continuous tone.
- MIL: Lights
- VOM: Needle sweep
- Scan tool: Beeps