P1324
DTC P1324: Knock Sensor Power Source Circuit Low Voltage1. Reset the ECM/PCM.
2. Turn the ignition switch ON (II).
Is DTC P1324 indicated?
YES - Go to step 3.
NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the knock sensor and at the ECM/PCM.
3. Turn the ignition switch OFF.
4. Disconnect ECM/PCM connector A (31P).
5. Check for continuity between ECM/PCM connector terminals A8 and A20.
Is there continuity?
YES - Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck, If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM.
NO - Go to step 6.
6. Disconnect the knock sensor 3P connector.
7. Connect knock sensor 3P connector terminals No. 2 and No. 3 with a jumper wire.
8. Check for continuity between ECM/PCM connector terminals A8 and A20.
Is there continuity?
YES - Replace the knock sensor.
NO - Repair open in the wire between the ECM/PCM (A8, A20) and the knock sensor.