Inspection Procedure

1. Remove the A/C fuse from the passenger side junction block.
2. Measure the resistance of the fuse.

   Standard resistance 

   FUSE (A/C)
   
   

   Tester Connection	Condition	Specified Condition
   A/C fuse	Always	Below 1 Ω

NG: REPLACE FUSE 

OK: GO TO NEXT STEP 

Fig 1: Checking Harness And Connector (Air Conditioning Amplifier - Battery)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the L76 air conditioning amplifier connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard voltage 

   AIR CONDITIONING AMPLIFIER - BATTERY
   
   

   Tester Connection	Condition	Specified Condition
   L76-6(+B1)-Body ground	Always	11 to 14 V
   L76-7 (+B2) - Body ground	Always	11 to 14 V

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE   )