DTC 69

DTC B1469/69 Infrared Rays Sensor Circuit

DESCRIPTION

DTC Detection Condition:

The infrared ray sensor, which is installed on the rear roof, detects human body temperature and control the heater and air conditioner "AUTO" mode in 4 zones. Signals are transmitted to the air conditioning amplifier via the LIN communication line. This DTC is output when the temperature of the physical object is detected as -30 °C (-22 °F) or less, or 80 °C (176 °F) or more for 10 seconds or more.

Wiring Diagram:

Step 1:

Step 2:

INSPECTION PROCEDURE