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2. (K353) POST-CATALYST EXHAUST TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Post-Catalyst Exhaust Temperature Sensor connector. Disconnect the Engine Control Module (ECM) connector. Remove the ASD Relay. Connect a jumper wire between cavity 30 and cavity 87 of the ASD Turn the ignition on. Measure the voltage of the (K353) Post-Catalyst Exhaust Temperature Is there any voltage present? Yes >> Repair the (K353) Post-Catalyst Exhaust Temperature Sen- sor Signal circuit for a short to voltage. Perform the ECM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING). No >> Go to 3 3. (K915) POST-CATALYST EXHAUST TEMPERATURE SENSOR GROUND CIRCUIT SHORTED TO VOLTAGE Measure the voltage of the (K915) Post-Catalyst Exhaust Temperature Is there any voltage present? Yes >> Repair the (K915) Post-Catalyst Exhaust Temperature Sen- sor Ground circuit for a short to voltage. Perform the ECM Verification Test Ver. 1 (Refer to 9 - No >> Go to 4 9 - 1656 ENGINE ELECTRICAL DIAGNOSTICS - DIESEL LX |