B1499

AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1499/99: Multiplex Communication Circuit

DTC B1499/99 - Multiplex Communication Circuit

DESCRIPTION

The air conditioning amplifier communicates data with the ECM and No. 1meter ECU through the CAN communication system.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC
(a) Clear the DTC DTC Check / Clear.
(b) Check for the DTC DTC Check / Clear.

Result





B -- GO TO CAN COMMUNICATION SYSTEM
A -- USE SIMULATION METHOD TO CHECK