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Home >> Toyota >> 1995 >> Land Cruiser >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Testing >> Code P0340 - Camshaft Position (CMP) Sensor Circuit >> Diagnosis & Repair

Diagnosis & Repair

  1. Disconnect distributor harness connector. Using ohmmeter, measure resistance between distributor connector terminals No. 2, 3 and 4. See Figure. Resistance should be 185-275 ohms (cold sensor) or 240-325 ohms (hot sensor).
  2. Replace distributor as needed. See procedures in the REMOVE/INSTALL/OVERHAUL article. If sensor is okay, inspect G1, G2 and G- circuits between ECM and distributor for open or short. See wiring diagram in the WIRING DIAGRAMS article. Repair as needed.
  3. If circuit is okay, check sensor-to-signal plate air gap. See the REMOVE/INSTALL/OVERHAUL article. If air gap is okay, replace ECM and retest. If air gap is not within specification, replace distributor.
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