Operation CHARM: Car repair manuals for everyone.
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 >> Heater Control Panel Power Source Circuit
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Heater Control Panel Power Source Circuit





AIR CONDITIONING: AIR CONDITIONING SYSTEM: Heater Control Panel Power Source Circuit
- Heater Control Panel Power Source Circuit

DESCRIPTION

Battery voltage is supplied to the A/C control assembly through the A/C fuse and A/C No. 2 fuse.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (IG+, +B - BODY GROUND)

(a) Disconnect the connector from the A/C control assembly.





(b) Measure the voltage according to the value(s) in the table below.

Standard voltage:





NG -- GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START How To Proceed With Troubleshooting
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (GND - BODY GROUND)

(a) 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
pro multis · About Operation CHARM