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(P0521) ENGINE OIL SENSOR QUALITY PERFORMANCE (CONTINUED) 9. 5-VOLT SUPPLY 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 5-Volt Supply circuit at the Oil Sensor har- Is the voltage below 1.0 volt? Yes >> Replace and program the Powertrain Control Module. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL CONTROL MODULE - REMOVAL). Perform POWERTRAIN VERIFICATION TEST - VER 2. No >> Repair the 5-Volt Supply circuit for a short to voltage. Perform POWERTRAIN VERIFICATION TEST - VER 2. 10. 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 >> Go To 11 No >> Repair the 5-Volt Supply circuit for an open. Perform POWERTRAIN VERIFICATION TEST - VER 2. ZH ENGINE - ELECTRICAL DIAGNOSTICS 9 - 537 |