Manual Air Conditioning

AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Manual 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 Air Conditioning System (for Manual Air Conditioning System).

(b) Read the DTC Air Conditioning System (for Manual Air Conditioning System).

Result:





B -- SYSTEM IS OK

A -- GO TO CAN COMMUNICATION SYSTEM