DTC Troubleshooting: P0563 (34)

  1. Measure voltage between ECM connector terminal A8 and body ground.
Is there battery voltage?
YES -
Repair short to power in the wire between the ECM (A8) and the under-hood fuse/relay box, then go to Step 20 .
NO -
Go to Step 19 .
  1. Test PGM-FI main relay 1 .
Is PGM-FI main relay 1 OK?
YES -
Go to Step 27 .
NO -
Replace the under-hood fuse/relay box, then go to Step 20 .
  1. Reconnect all connectors and the battery.
  1. Turn the ignition switch ON (II).
  1. Reset the ECM with the HDS.
  1. Do the ECM idle learn procedure.
  1. Turn the ignition switch OFF.
  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 the under-hood fuse/relay box and the ECM, 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 if it does not have the latest software, or substitute a known-good ECM.
  1. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0563 indicated?
YES -
Check for poor connections or loose terminals at the under-hood fuse/relay box and the ECM. If the ECM was updated, substitute a known-good ECM, then recheck. If the ECM was substituted, go to Step 1 .
NO -
If the ECM was updated, troubleshooting is complete. If the ECM was substituted, replace the original ECM. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.■