Heater Control Switch Circuit

AIR CONDITIONING: AIR CONDITIONING SYSTEM: Heater Control Switch Circuit

Heater Control Switch Circuit

DESCRIPTION

The heater control panel LH receives the heater control panel switch operation signal from the heater control panel RH.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT HEATER CONTROL PANEL RH





(a) Remove the heater control panel RH.
(b) Disconnect the connector from heater control panel RH.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






NG -- REPLACE HEATER CONTROL PANEL RH
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (HEATER CONTROL PANEL RH - HEATER CONTROL PANEL LH)





(a) Disconnect the connector from heater control panel LH.





(b) 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