Rear Air Conditioning Control Panel Circuit [10/2014 - ]: Procedure

1. Disconnect the M1 No. 2 air conditioning control assembly connector.
2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   M1-7 (IG) - Body ground	Power switch on (IG)	11 to 14 V
   M1-7 (IG) - Body ground	Power switch off	Below 1 V

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   M1-6 (E) - Body ground	Always	Below 1 Ω

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  2

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

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   M1-10 (S5) - Body ground	Power switch on (IG)	4.75 to 5.25 V
   M1-10 (S5) - Body ground	Power switch off	Below 1 V

Result: 

NG 

See step  5

Result: 

OK 

See step  3

1. Disconnect the D62 and D63 air conditioning amplifier assembly connectors.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   M1-9 (ATIN) - D62-3 (IND)	Always	Below 1 Ω
   M1-8 (SWD) - D62-24 (SW1)	Always	Below 1 Ω
   M1-11 (TSET) - D63-2 (TSET)	Always	Below 1 Ω
   M1-4 (SG) - D63-7 (SG-5)	Always	Below 1 Ω
   M1-9 (ATIN) - Body ground	Always	10 kΩ or higher
   M1-8 (SWD) - Body ground	Always	10 kΩ or higher
   M1-11 (TSET) - Body ground	Always	10 kΩ or higher
   M1-4 (SG) - Body ground	Always	10 kΩ or higher

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Replace the No. 2 air conditioning control assembly (Refer to REMOVAL [10/2014 - ] ).

   HINT: 

   Since the No. 2 air conditioning control assembly cannot be inspected while it is removed from the vehicle, replace the No. 2 air conditioning control assembly with a new or known good one and check that the condition returns to normal.

   OK

   No. 2 air conditioning control assembly operation returns to normal.

   Result

   Result	Proceed to
   OK	A
   NG	B

Result: 

OK 

END (NO. 2 AIR CONDITIONING CONTROL ASSEMBLY WAS DEFECTIVE) 

Result: 

NG 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 

(Refer to PROBLEM SYMPTOMS TABLE [10/2014 - 10/2015] or PROBLEM SYMPTOMS TABLE [10/2015 - ] )

1. Disconnect the D63 air conditioning amplifier assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   M1-10 (S5) - D63-9 (S5-2)	Always	Below 1 Ω
   M1-10 (S5) - Body ground	Always	10 kΩ or higher

Result: 

OK 

REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY 

(Refer to REMOVAL [10/2014 - ] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR