DTC Troubleshooting: P0340 (57)
DTC P0340:
 CMP Sensor A No Signal
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.
  1. Turn the ignition switch to ON (II).
  1. Clear the DTC with the HDS.
  1. Start the engine.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0340 indicated?
YES -
Go to Step 5 .
NO -
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at CMP sensor A and the ECM/PCM.■
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the CMP sensor A 3P connector.
  1. Turn the ignition switch to ON (II).
  1. Measure the voltage between CMP sensor A 3P connector terminal No. 3 and body ground.
Is there battery voltage?
YES -
Go to Step 9 .
NO -
Repair open in the wire between CMP sensor A and the No. 7 ACG (15 A) fuse, then go to Step 18 .