Air Conditioning System (For Automatic Air Conditioning System) Ig Power Source Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER - BATTERY AND BODY GROUND)
AIR CONDITIONING SYSTEM (for Automatic 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 turned to ON. The power source is used for operating the air conditioning amplifier assembly, servo motors, etc.
WIRING DIAGRAM
INSPECTION PROCEDURE
- NOTICE:
- Inspect the fuses for circuits related to this system before performing the following inspection procedure.
- HINT:
- Start the engine before inspection. Check the relays, fuses and battery if the engine does not start.
1.CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER - BATTERY AND BODY GROUND) |
Disconnect the G25 amplifier connector.
Measure the voltage according to the value(s) in the table below.
- Standard Voltage:
Tester Connection
| Switch Condition
| Specified Condition
|
G25-1 (IG+) - Body ground
| Ignition switch off
| Below 1 V
|
Ignition switch ON
| 11 to 14 V
|
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection
| Condition
| Specified Condition
|
G25-14 (GND) - Body ground
| Always
| Below 1 Ω
|
Text in Illustration*a
| Rear view of wire harness connector (to Air Conditioning Amplifier Assembly)
|
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|