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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

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

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

CHECK NO. 1 COOLER WIRING HARNESS SUB-ASSEMBLY

INSPECT COOL BOX BLOWER WITH FAN MOTOR SUB-ASSEMBLY

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

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

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

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

   Standard Voltage:

   Tester Connection	Switch Condition	Specified Condition
   1 - Body ground	Ignition switch off	Below 1 V
   	Ignition switch ON	11 to 14 V

   Text in Illustration

   *a	Front view of wire harness connector (to No. 1 Cooler Wiring Harness Sub-assembly)

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

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

   Standard Resistance:

   Tester Connection	Condition	Specified Condition
   6 - Body ground	Always	Below 1 Ω

   Text in Illustration

   *a	Front view of wire harness connector (to No. 1 Cooler Wiring Harness Sub-assembly)

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.
   

1. Remove the cool box blower with fan motor sub-assembly (Click here).
   

2. Inspect the cool box blower with fan motor sub-assembly (Click here).
   

   OK:

   Cooler blower motor operates smoothly.