Air Conditioning Control Panel does not Operate

NETWORKING: LIN COMMUNICATION SYSTEM: Air Conditioning Control Panel does not Operate
- Air Conditioning Control Panel does not Operate

DESCRIPTION

When a switch of the air conditioning control assembly is operated, the air conditioning control assembly uses LIN communication to communicate with the air conditioning amplifier. If a switch of the air conditioning control assembly does not operate properly, a problem with the LIN communication between the air conditioning control assembly and air conditioning amplifier may be causing the malfunction.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER - AIR CONDITIONING CONTROL)

(a) Disconnect the F42 air conditioning amplifier assembly connector.

(b) Disconnect the F29 air conditioning control assembly connector.

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

Standard Resistance:





Result





B -- Go to AIR CONDITIONING SYSTEM Air Conditioning System (for Manual Air Conditioning System)

C -- REPAIR OR REPLACE HARNESS OR CONNECTOR

A -- Go to AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System) Air Conditioning System (for Automatic Air Conditioning System)