Intermittent Simulation

To reproduce the conditions creating an intermittent fault, use the following methods:

• Lightly vibrate component.
• Heat component.
• Wiggle or bend wiring harness.
• Spray component with water.
• Remove/apply vacuum source.

Monitor circuit/component voltage or resistance while simulating intermittent. Use test results to identify a faulty component or circuit.

On California models, intermittent simulation may result in a flashing of the CHECK ENGINE light if an intermittent condition is reproduced on the following circuits.

• Code 12 - Airflow meter circuit
• Code 13 - Coolant (engine) temperature sensor circuit
• Code 14 - Vehicle speed sensor circuit
• Code 33 - Exhaust gas sensor circuit
• Code 35 - Exhaust gas temperature sensor circuit
• Code 43 - Throttle position sensor circuit
• Code 51 - Injector circuit