Diagnosis & Repair
WARNING: This page is about a different car, the 2000 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect CMP sensor harness connector. Measure resistance between CMP sensor connector terminals (component side). Resistance should be within specification. See CAMSHAFT POSITION SENSOR RESISTANCE table. If resistance is as specified, go to next step. If resistance is not as specified, replace CMP sensor.CAMSHAFT POSITION SENSOR RESISTANCE
Application Ohms ND Type Sensor Cold 835-1400 Hot 1060-1645 Wabash Type Sensor Cold 1690-2560 Hot 2145-3010 - Check for open or short in wiring between ECM and CMP sensor. See WIRING DIAGRAMS article. If problem exists, repair wiring as necessary. If problem does not exist, go to next step.
- Remove and inspect CMP sensor. Also inspect signal plate. If problem exists, replace CMP sensor and/or signal plate as necessary. If problem does not exist, replace ECM.