DTC Troubleshooting: P2185 (192)
DTC P2185:
 ECT Sensor 2 Circuit High Voltage
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. Check ECT SENSOR 2 in the DATA LIST with the HDS.
Is about −40 °C (−40 °F) or less, or 4.90 V or more indicated?
YES -
Go to Step 3 .
NO -
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at ECT sensor 2 and the ECM/PCM.■
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect ECT sensor 2 2P connector.
  1. Connect ECT sensor 2 2P connector terminals No. 1 and No. 2 with a jumper wire.
  1. Turn the ignition switch to ON (II).
  1. Check ECT SENSOR 2 in the DATA LIST with the HDS.
Is about −40 °C (−40 °F) or less, or 4.90 V or more indicated?
YES -
Go to Step 8 .
NO -
Go to Step 20 .
  1. Turn the ignition switch to LOCK (0).
  1. Remove the jumper wire from ECT sensor 2 2P connector.
  1. Turn the ignition switch to ON (II).