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Home >> Toyota >> 2000 >> Sienna CE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics >> Diagnostic Tests >> DTC P0340: Camshaft Position (CMP) Sensor Circuit >> Diagnosis & Repair

Diagnosis & Repair

  1. 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
  2. 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.
  3. 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.
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