B1262

DTC B1262 A/C ECU Communication Stop

DESCRIPTION

DTC Detection Condition:

This DTC is detected when communication between the air conditioning amplifier (A/C ECU) and gateway ECU stops for more than 10 seconds.

Wiring Diagram:

Step 1:

Step 1(Continued)-2:

Step 3:

INSPECTION PROCEDURE

HINT: When "+B or GND short malfunction of communication bus" DTCs (B1214 and B1215) are detected at the same time as "communication stop" DTC B1262, repair the "+B or GND short malfunction of communication bus" DTCs first.