Front IR Sensor Change Too Large (Active)

Test 1:

SYMPTOM
FRONT IR SENSOR CHANGE TOO LARGE (ACTIVE)

TEST NOTE
This symptom is diagnosed using the test FRONT IR SENSOR AND CONTROL HEAD MISMATCH (ACTIVE).

WHEN MONITORED
With the ignition on and the IOD fuse installed.

SET CONDITION
This DTC will set if the ATC head detects a temperature difference greater than 50 degrees between the front IR sensors.

POSSIBLE CAUSES
- ATC remote sensor