Automatic Transmission
DTC P0340: Camshaft Position (CMP) Sensor No signalNOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.
1. Clear the DTC with the HDS.
2. Start the engine.
3. Check whether DTC P0340 is indicated in the DTCs/Freeze Data in PGM-FI Mode Menu with the HDS.
Is OTC P0340 indicated in the PGM-FI system?
YES - Troubleshoot for DTC P0340 in the PGM-FI System.
NO - Go to step 4.
4. Check whether DTC P0340 is indicated in the DTCs/Freeze Data in A/T Mode Menu with the HDS.
Is OTC P0340 indicated?
YES - Go to step 5.
NO - Intermittent failure, the system is OK at this time.
5. Update the A/T software in the PCM if it does not have the latest software, or substitute a known-good PCM.
6. Start the engine.
7. Check for DTC(s) in the DTCs/Freeze Data in A/T Mode Menu with the HDS.
Is OTC P0340 indicated?
YES - Check for poor connections and loose terminals at the CMP sensor and the PCM. If the PCM was updated, substitute a known-good PCM, then recheck. If the PCM was substituted, go to step 1.
NO - Go to step 8.
8. Monitor the OBD STATUS for P0340 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail.
Does the result indicate PASSED?
YES - If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM. If any other DTCs were indicated on step 7, go to the indicated DTC's troubleshooting.
NO - If the HDS indicates FAILED, check for poor connections and loose terminals at the CMP sensor and the PCM. If the PCM was updated, substitute a known-good PCM, then recheck. If the PCM was substituted, go to step 1. If the HDS indicates NOT COMPLETED, keep idling until a result comes on.