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(P0521) ENGINE OIL SENSOR QUALITY PERFORMANCE (CONTINUED) 17. 5-VOLT SUPPLY CIRCUIT SHORT TO OIL SENSOR SIGNAL CIRCUIT Turn the ignition off. Measure the resistance between the Oil Sensor Signal circuit and the Is the resistance above 100 kohms? 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 the Oil Sen- sor Signal circuit. Perform POWERTRAIN VERIFICATION TEST - VER 2. 18. MEASURE RESISTANCE BETWEEN GROUND AND OIL SENSOR SIGNAL CIRCUIT Turn the ignition off. Disconnect the PCM C3 harness connector. Note: Check connectors — Clean/repair as necessary. Is the resistance above 100 kohms? Yes >> Go To 19 No >> Repair the MAP Sensor Signal circuit for a short to ground. Perform POWERTRAIN VERIFICATION TEST - VER 2. ZH ENGINE - ELECTRICAL DIAGNOSTICS 9 - 541 |