RM3090E _58 Vehicle Interior _008789 HEATING / AIR CONDITIONING _0049189 AIR CONDITIONING SYSTEM(for Manual Air Conditioning System) J

HEATING / AIR CONDITIONING  AIR CONDITIONING SYSTEM(for Manual Air Conditioning System)  IG Power Source Circuit  


DESCRIPTION

The main power source is supplied to the air conditioning amplifier assembly when the ignition switch is ON. This power is used for operating the air conditioning amplifier assembly, etc.

WIRING DIAGRAM

E269935E01
3.448,0.75 4.365,0.948 0.917,0.198 10 false HTR-IG 0.677,0.542 2.021,0.75 1.344,0.208 10 false from IG1 NO.1 Relay 5.771,0.563 6.115,0.75 0.344,0.188 10 false IG+ 5.552,0.458 5.698,0.646 0.146,0.188 10 false 1 5.479,1.135 5.698,1.323 0.219,0.188 10 false 23 5.771,1.281 6.167,1.469 0.396,0.188 10 false GND 5.458,1.802 5.854,1.99 0.396,0.188 10 false G80 5.458,1.979 7.042,2.479 1.583,0.5 10 false Air Conditioning Amplifier Assembly

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.


PROCEDURE

1.CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - BATTERY)
a.
E269937C01
1.521,0.219 1.927,0.427 0.406,0.208 2.833,1.438 2.573,1.146 false 0.063,0.052 0.438,0.208 0.375,0.156 10 *a 2.885,1.375 3.26,1.531 0.375,0.156 10 IG+ 1.594,0.25 1.969,0.406 0.375,0.156 10 G80
*a Rear view of wire harness connector
(to Air Conditioning Amplifier Assembly)


Disconnect the air conditioning amplifier assembly connector.


b.

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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
G80-1 (IG+) - Body ground Ignition switch off Below 1 V
G80-1 (IG+) - Body ground Ignition switch ON 11 to 14 V



Result:
Proceed to
OK
NG



OK

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

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

2.CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY - BODY GROUND)
a.
E269937C02
1.49,0.229 1.927,0.438 0.438,0.208 0.594,1.677 1.01,1.26 false 0.271,1.615 0.729,1.813 0.458,0.198 10 GND 0.094,0.073 0.552,0.271 0.458,0.198 10 *a 1.563,0.26 2.021,0.458 0.458,0.198 10 G80
*a Rear view of wire harness connector
(to Air Conditioning Amplifier Assembly)


Disconnect the air conditioning amplifier assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
G80-23 (GND) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Click hereVehicle Interior>HEATING / AIR CONDITIONING>AIR CONDITIONING SYSTEM(for Manual Air Conditioning System)>PROBLEM SYMPTOMS TABLE


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR