B1561

DTC B1561: Engine Coolant Temperature Sensor and/or Its Circuit Malfunction

DTC Detecting Condition and Trouble Area






DTC Confirmation Procedure

NOTE:

Check to make sure that the following conditions are satisfied when using this procedure.

- Any DTC related to the followings are not detected

- U0073, U0100 and/or U0140

1) Start engine and A/C system ON.

DTC Troubleshooting

1. DTC check

Connect scan tool to DLC with ignition switch turned OFF.
Check DTC of ECM

Is it in good condition?
YES -
Substitute a known-good HVAC control module and recheck.
NO -
Go to applicable DTC diag. flow.