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

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

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

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

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

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

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

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.

Remove the cooler blower motor ().

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.