General Information

Air Conditioner
B1693 Ambient temperature sensor fault(D/CLOCK Only) - General Information

Component Location





General Description

The A/C Control Unit uses the Ambient Temperature Sensor (ATS) to regulate both the blower motor speed and mix mode control. The ATS is a negative coefficient type sensor.

DTC Description

DTC B1693 is set when the ATS signal voltage is over 4.7V (unplugged) for 0.3 seconds.

DTC Detecting Condition





Specification

** Resistance value of ambient temp.sensor as a function of temperature.






Diagnostic Circuit Diagram




** Power of Digital Clock