Generator Signal Circuit

HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Manual Air Conditioning System): Generator Signal Circuit
- Generator Signal Circuit

DESCRIPTION

When the engine is started, the generator assembly turns on and a voltage pulse signal is generated.

This signal is used by the air conditioning amplifier assembly.

The signal expressing the amount of output from the generator assembly is one element of PTC heater control.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

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

(a) Disconnect the F42 amplifier connector.

(b) Disconnect the C5 generator connector.

(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 SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Air Conditioning System (for Manual Air Conditioning System)