Air Conditioning System (For Automatic Air Conditioning System) Lin Communication Circuit

Vehicle Interior. Corolla. Zre142 Aze141
Heating Air Conditioning. Corolla. Zre142 Aze141

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

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

AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System) - LIN Communication Circuit


DESCRIPTION

Switch operational signals are exchanged between terminal LIN1 of the A/C control assembly and terminal LIN1 of the A/C amplifier.

WIRING DIAGRAM


Corolla. Zre142 Aze141.Heating Air Conditioning.Air Conditioning System (For Automatic Air Conditioning System).Air Conditioning System (For Automatic Air Conditioning System) Lin Communication Circuit


INSPECTION PROCEDURE

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

  1. Disconnect the connector from the A/C control assembly.

  1. Disconnect the connector from the A/C amplifier.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E30-37 (LIN1) - E16-3 (LIN1)
    		Always
    		Below 1 Ω
    E30-37 (LIN1) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (COROLLA_ZRE142 RM000001M2W05OX.html)