Air Conditioning Control Panel does not Operate: Procedure

1. Check the switch operation.
   RESULT
   
   

   Result	Proceed to
   Heater control switch board does not operate*1	A
   No. 2 Air conditioning control assembly does not operate*2	B

   • *1: w/o Navigation System
   • *2: w/ Rear Air Conditioning System

B → See step   3 

A: Go to next step 

1. Disconnect the G13 air conditioning amplifier assembly connector.
2. Disconnect the H32 heater control switch board connector.
3. Measure the resistance according to the value(s) in the table below.
   STANDARD RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   G13-37 (LIN1) - H32-10 (LIN1)	Always	Below 1 Ω
   G13-37 (LIN1) or H32-10 (LIN1) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   4 

1. Disconnect the G12 air conditioning amplifier assembly connector.
2. Disconnect the T2 No. 2 air conditioning control assembly connector.
3. Measure the resistance according to the value(s) in the table below.
   STANDARD RESISTANCE
   
   

   Tester Connection	Condition	Specified Condition
   G12-13 (RLIN) - T2-6 (RLIN)	Always	Below 1 Ω
   G12-13 (RLIN) or T2-6 (RLIN) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   5