Heater Control Panel Power Source Circuit

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

Heater Control Panel Power Source Circuit

DESCRIPTION

This circuit is a power supply for the air conditioning control assembly (heater control panel).

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

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




(a) Disconnect the connector from the air conditioning control assembly.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER - BODY GROUND)




(a) Disconnect the connector from the air conditioning control assembly.
(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