Stereo Jack Adapter Light does not Illuminate [08/2019 - ]: Procedure

1. Disconnect the J170 and J152 No. 1 stereo jack adapter assembly connectors.
2. Measure the voltage according to the value (s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to No. 1 Stereo Jack Adapter Assembly)

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   J170-1 (UPI) - Body ground	Power switch on (ACC)	5 V
   J152-8 (ACC) - Body ground	Power switch on (ACC)	11 to 14 V

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE NO. 1 STEREO JACK ADAPTER ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

Result: 

NG 

See step  2

1. Disconnect the J169 radio receiver assembly connector.
2. Disconnect the J170 No. 1 stereo jack adapter assembly connector.
3. Measure the resistance according to the value (s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Radio Receiver Assembly)
   *b	Front view of wire harness connector (to No. 1 Stereo Jack Adapter Assembly)

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J170-1 (UPI) - J169-1 (USV1)	Always	Below 1 Ω
   J170-1 (UPI) or J169-1 (USV1) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

1. Disconnect the J148 radio receiver assembly connector.
2. Disconnect the J152 No. 1 stereo jack adapter assembly connector.
3. Measure the resistance according to the value (s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J148-16 (ACC) - J152-8 (ACC)	Always	Below 1 Ω
   J148-16 (ACC) or J152-8 (ACC) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR