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(P0521) ENGINE OIL SENSOR OVER TEMPERATURE (CONTINUED) 15. 5-VOLT SUPPLY CIRCUIT OPEN Turn the ignition off. Disconnect the PCM C3 harness connector. Note: Check connectors — Clean/repair as necessary. Is the resistance below 5.0 ohms? Yes >> Replace the Engine Oil Sensor. Perform POWERTRAIN VERIFICATION TEST - VER 2. No >> Repair the 5-Volt Supply circuit for an open. Perform POWERTRAIN VERIFICATION TEST - VER 2. 16. OIL SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE Turn the ignition off. Disconnect the PCM C3 harness connector. Note: Check connectors — Clean/repair as necessary. Measure the voltage of the Oil Sensor Signal circuit at the Oil Sensor Is the voltage below 1.0 volt? Yes >> Go To 17 No >> Repair the Oil Sensor Signal circuit for a short to voltage. Perform POWERTRAIN VERIFICATION TEST - VER 2. ZH ENGINE - ELECTRICAL DIAGNOSTICS 9 - 525 |