LIN Communication Circuit

AIR CONDITIONING: AIR CONDITIONING SYSTEM: LIN Communication Circuit
- LIN Communication Circuit

DESCRIPTION

The operation signal of a switch etc. is exchanged between terminal TX+ of the A/C control assembly (heater control base sub-assembly) and terminal LIN1 of the A/C amplifier.

WIRING DIAGRAM









INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (A/C CONTROL ASSEMBLY - AIR CONDITIONING AMPLIFIER)

(a) Disconnect the connector from the A/C control assembly (heater control base sub-assembly).





(b) Disconnect the connector from the A/C amplifier.





(c) Measure the resistance according to the value(s) in the table below.

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE