DTC Troubleshooting: P0117 (6-1)

DTC P0117:
 ECT Sensor Low Voltage
  1. Turn the ignition switch ON (II).
  1. Check the ECT SENSOR in the DATA LIST with the HDS.
Is about 0.097 V or less indicated?
YES -
Go to Step 3 .
NO -
Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the ECT sensor and the ECM.■
  1. Turn the ignition switch OFF.
  1. Disconnect the ECT sensor 2P connector.
  1. Turn the ignition switch ON (II).
  1. Check the ECT SENSOR in the DATA LIST with the HDS.
Is about 0.097 V or less indicated?
YES -
Go to Step 7 .
NO -
Go to Step 10 .
  1. Turn the ignition switch OFF, and wait 30 seconds.
  1. Disconnect ECM connector No. 1 (96P).
  1. Check for continuity between ECT sensor 2P connector terminal No. 2 and body ground.
Is there continuity?
YES -
Repair short in the wire between the ECT sensor and ECM connector No. 1 terminal No. 67, then go to Step 12 .
NO -
Go to Step 16 .
  1. Turn the ignition switch OFF.
  1. Reconnect all connectors.
  1. Turn the ignition switch ON (II).
  1. Reset the ECM with the HDS.
  1. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES -
If DTC P0117 is indicated, check for poor connections or loose terminals at the ECT sensor and the ECM, then go to Step 1 . If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO -
Troubleshooting is complete.■
  1. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES -
If DTC P0117 is indicated, check for poor connections or loose terminals at the ECT sensor and the ECM, then go to Step 1 . If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO -
If the ECM was updated, troubleshooting is complete. If the ECM was substituted, replace the original ECM.