Air Conditioning System (For Automatic Air Conditioning System) Cooling Box Blower Motor Circuit

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Heating Air Conditioning. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT FUSE (A/C IG)

CHECK HARNESS AND CONNECTOR (NO. 1 COOLER WIRING HARNESS - BATTERY)

CHECK HARNESS AND CONNECTOR (NO. 1 COOLER WIRING HARNESS - BODY GROUND)

CHECK NO. 1 COOLER WIRING HARNESS SUB-ASSEMBLY (OPERATION)

INSPECT COOLER BLOWER MOTOR

AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System) - Cooling Box Blower Motor Circuit


DESCRIPTION

The cooler blower motor is operated by signals from the air conditioning amplifier assembly (for cool box).

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Heating Air Conditioning.Air Conditioning System (For Automatic Air Conditioning System).Air Conditioning System (For Automatic Air Conditioning System) Cooling Box Blower Motor Circuit


INSPECTION PROCEDURE

1.INSPECT FUSE (A/C IG)

  1. Remove the A/C IG fuse from the cowl side junction block LH.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    A/C IG fuse
    		Always
    		Below 1 Ω


NG
REPLACE FUSE
OK


2.CHECK HARNESS AND CONNECTOR (NO. 1 COOLER WIRING HARNESS - BATTERY)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Heating Air Conditioning.Air Conditioning System (For Automatic Air Conditioning System).Air Conditioning System (For Automatic Air Conditioning System) Cooling Box Blower Motor Circuit

  1. Disconnect the No. 1 cooler wiring harness sub-assembly connector.

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

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    1 (B) - Body ground
    		Engine switch off
    		Below 1 V
    Engine switch on (IG)
    		11 to 14 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.CHECK HARNESS AND CONNECTOR (NO. 1 COOLER WIRING HARNESS - BODY GROUND)


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Heating Air Conditioning.Air Conditioning System (For Automatic Air Conditioning System).Air Conditioning System (For Automatic Air Conditioning System) Cooling Box Blower Motor Circuit

  1. Disconnect the No. 1 cooler wiring harness sub-assembly connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    6 (L) - Body ground
    		Always
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


4.CHECK NO. 1 COOLER WIRING HARNESS SUB-ASSEMBLY (OPERATION)

  1. Replace the No. 1 cooler wiring harness sub-assembly with a normal one and check that the condition returns to normal.

    OK:
    Same problem does not occur.


NG
Go to step 5
OK

REPLACE NO. 1 COOLER WIRING HARNESS SUB-ASSEMBLY

5.INSPECT COOLER BLOWER MOTOR


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Heating Air Conditioning.Air Conditioning System (For Automatic Air Conditioning System).Air Conditioning System (For Automatic Air Conditioning System) Cooling Box Blower Motor Circuit

  1. Remove the cooler blower motor (Click here).

  1. Connect the positive (+) lead from the battery to terminal 1 and negative (-) to terminal 2, then check that the motor operates smoothly.

    OK:
    Cooler blower motor operates smoothly.


NG
REPLACE COOLER BLOWER MOTOR (Click here)
OK

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY (for Cool Box) (Click here)