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Home >> Lexus >> 2012 >> ES 350 V6-3.5L (2GR-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Component Tests and General Diagnostics >> Air Conditioning System >> LIN Communication Circuit
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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 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.





(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
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