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Home >> Toyota >> 1995 >> Tercel Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Testing >> Code P0340 - Camshaft Position (CMP) Sensor Circuit >> Diagnosis & Repair
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Diagnosis & Repair

  1. Disconnect CMP harness connector. Using ohmmeter, measure resistance between connector terminals. See Fig 1. Resistance should be 985-1600 ohms (cold sensor) or 1265-1890 ohms (hot sensor).
  2. Replace sensor as needed. If sensor is okay, inspect circuits between ECM and sensor for open or short. See wiring diagram in the WIRING DIAGRAMS article. Repair as needed.
  3. If both circuits are okay, inspect sensor installation. If sensor is not okay, replace CMP sensor. If sensor is okay, replace ECM and retest.
Fig 1: Identifying CMP Connector Location
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