DTC-Fehlersuche: P0118 (6)

  1. Measure voltage between ECM/PCM connector terminal B8 and body ground.
Is there about 5 V?
YES -
Repair open in the wire between the ECM/PCM (B8) and the ECT sensor, then go to Schritt 20 .
NO -
Go to Schritt 25 .
  1. Turn the ignition switch OFF.
  1. Replace the ECT sensor.
  1. Reconnect all connectors.
  1. Turn the ignition switch ON (II).
  1. Reset the ECM/PCM with the HDS.
  1. Do the ECM/PCM idle learn procedure.
  1. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES -
If DTC P0118 is indicated, check for poor connections or loose terminals at the ECT sensor and the ECM/PCM, then go to Schritt 1 . If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO -
Troubleshooting is complete.■
  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.
Are any Temporary DTCs or DTCs indicated?
YES -
If DTC P0118 is indicated, check for poor connections or loose terminals at the ECT sensor and the ECM/PCM, then go to Schritt 1 . If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO -
If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM. ■