DTC Troubleshooting: P0563
  1. Measure the voltage between ECM/PCM connector terminal A9 and body ground.
Is there battery voltage?
YES -
Repair short to power in the wire between the ECM/PCM (A9) and PGM-FI main relay 1, then go to Step 16 .
NO -
Go to Step 15 .
  1. Test PGM-FI main relay 1 .
Is PGM-FI main relay 1 OK?
YES -
Go to Step 23 .
NO -
Replace PGM-FI main relay 1, then go to Step 16 .
  1. Reconnect all connectors.
  1. Turn the ignition switch to ON (II).
  1. Reset the ECM/PCM with the HDS.
  1. Do the ECM/PCM idle learn procedure.
  1. Turn the ignition switch to LOCK (0).
  1. Wait 10 seconds.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0563 indicated?
YES -
Check for poor connections or loose terminals at PGM-FI main relay 1 and the ECM/PCM, then go to Step 1 .
NO -
Troubleshooting is complete. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.■
  1. Reconnect all connectors.
  1. Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0563 indicated?
YES -
Check for poor connections or loose terminals at PGM-FI main relay 1 and the ECM/PCM. If the ECM/PCM was updated, substitute a known-good ECM/PCM, then recheck. If the ECM/PCM was substituted, go to Step 1 .
NO -
If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.■