Automatic Air Conditioning

AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System): B1499/99: Multiplex Communication Circuit
B1499/99 - Multiplex Communication Circuit

DESCRIPTION

The air conditioning amplifier communicates data with the ECM and combination meter through the CAN communication system.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC

(a) Clear the DTC DTC Check / Clear.

(b) Read the DTC DTC Check / Clear.

Result:





B -- SYSTEM IS OK

A -- GO TO CAN COMMUNICATION SYSTEM