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5. (K353) POST-CATALYST EXHAUST TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO (K915) Measure the resistance between the (K353) Post-Catalyst Exhaust Tem- Is the resistance above 1000 ohms? Yes >> Go to 6 No >> Repair the (K353) Post-Catalyst Exhaust Temperature Sen- sor Signal circuit for a short to the (K915) Post-Catalyst Perform the ECM Verification Test Ver. 1 (Refer to 9 - 6. (K353) POST-CATALYST EXHAUST TEMPERATURE SENSOR SIGNAL CIRCUIT OPEN OR HIGH Measure the resistance of the (K353) Post-Catalyst Exhaust Tempera- Is the resistance below 10.0 ohms? Yes >> Go to 7 No >> Repair the (K353) Post-Catalyst Exhaust Temperature Sen- sor Signal circuit for an open circuit or high resistance. Perform the ECM Verification Test Ver. 1 (Refer to 9 - 9 - 1668 ENGINE ELECTRICAL DIAGNOSTICS - DIESEL LX |