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3. ENGINE OIL PRESSURE SENSOR Turn the ignition off. Connect the PCM harness connectors. Ignition on, engine not running. With a scan tool, monitor the Engine Oil Pressure Sensor voltage. Connect a jumper wire between the (K900) Sensor Ground circuit and NOTE: Engine Oil Pressure voltage should change from approxi- Is the voltage reading within the listed specification when the Yes >> Remove the Engine Oil Pressure sensor and ensure the oil passage/port is free from any blockage. If OK, replace the Perform the POWERTRAIN VERIFICATION TEST. (Refer to No >> Go To 4 NOTE: Remove the jumper wire before continuing. 4. EXCESSIVE RESISTANCE IN THE (G6) ENGINE OIL PRESSURE SIGNAL CIRCUIT Turn the ignition off. Disconnect the PCM harness connectors. CAUTION: Do not probe the PCM harness connectors. Probing the Is the resistance below 5.0 ohms? Yes >> Go To 5 No >> Repair the excessive resistance in the (G6) Engine Oil Pressure Signal circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - 532 ENGINE ELECTRICAL DIAGNOSTICS LX |