General Information
Air Conditioner
B1687 Engine Coolant Temperature Sensor Circuit - CAN Signal - General Information
Component Location
General Description
In case of engine cold starting, Air conditioner control module receies engine coolant temperature sensor signal through the CAN signal so that Mode is changed to DEF with controlling mode actuator.
DTC Description
The Air conditioner Control Module sets DTC B1687 if engine temperature sensor signal has not been received through the CAN signal.
DTC Detecting Condition
Diagnostic Circuit Diagram