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2. (K42) KNOCK SENSOR NO.1 SIGNAL SHORTED TO BATTERY VOLTAGE Turn the ignition off. Disconnect the Knock Sensor harness connector. Disconnect the C2 PCM harness connector. Ignition on, engine not running. Measure the voltage on the (K42) Knock Sensor No.1 Signal circuit in Is the voltage above 1.5 volts at idle and above 0.3 of a volt Yes >> Repair the short to battery voltage in the (K42) Knock Sen- sor No.1 Signal circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer to No >> Go To 3 3. (K42) KNOCK SENSOR NO.1 SIGNAL CIRCUIT OPEN Turn the ignition off. CAUTION: Do not probe the PCM harness connectors. Probing the Is the resistance below 5.0 ohms? Yes >> Go To 4 No >> Repair the open in the (K42) Knock Sensor No.1 Signal cir- cuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - 290 ENGINE ELECTRICAL DIAGNOSTICS KJ |