LIN Communication Circuit

AIR CONDITIONING: AIR CONDITIONING SYSTEM: LIN Communication Circuit

LIN Communication Circuit

DESCRIPTION

This circuit is a communication line between the air conditioning control assembly (heater control panel) and the A/C amplifier.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (A/C CONTROL ASSEMBLY - A/C AMPLIFIER)
(a) Check for open and short circuit in the harness and the connector between the air conditioning control assembly and A/C amplifier Electronic Circuit Inspection Procedure.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

2. REPLACE AIR CONDITIONING CONTROL ASSEMBLY
(a) Replace the air conditioning control assembly with a normal one and check that the condition returns to normal.
OK:
Same problem does not occur.

NG -- REPLACE AIR CONDITIONING AMPLIFIER
OK -- END