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4. (K352) PRE-CATALYST EXHAUST TEMPERATURE SENSOR SIGNAL OPEN OR HIGH RESISTANCE Turn the ignition off. Measure the resistance of the (K352) Pre-Catalyst Exhaust Temperature Is the resistance below 10.0 ohms? Yes >> Go to 5 No >> Repair the (K352) Pre-Catalyst Exhaust Temperature Sen- sor Signal circuit for an open circuit or high resistance. Perform the ECM Verification Test Ver. 1 (Refer to 9 - 5. (K916) PRE-CATALYST EXHAUST TEMPERATURE SENSOR GROUND CIRCUIT OPEN OR HIGH Measure the resistance of the (K916) Pre-Catalyst Exhaust Temperature Is the resistance below 10.0 ohms? Yes >> Go to 6 No >> Repair the (K916) Pre-Catalyst Exhaust Temperature Sen- sor Ground circuit for an open circuit or high resistance. Perform the ECM Verification Test Ver. 1 (Refer to 9 - 9 - 1488 ENGINE ELECTRICAL DIAGNOSTICS - DIESEL LX |