AUDIO AND VISUAL SYSTEM(except 8 Speakers) Stereo Jack Adapter Light does not Illuminate

DESCRIPTION

Power is supplied to the No. 1 stereo jack adapter assembly illumination from the radio receiver assembly.

WIRING DIAGRAM

*a	No. 1 Stereo Jack Adapter Assembly
*b	Radio Receiver Assembly

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (NO. 1 STEREO JACK ADAPTER ASSEMBLY ILLUMINATION POWER SOURCE)

   
   

   1. Disconnect the H188 and H185 No. 1 stereo jack adapter assembly connectors.

   2. 

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

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

      Standard Voltage
      Tester Connection Condition Specified Condition H188-1 (USV1) - Body ground Power switch on (ACC) 5 V H185-12 (ACC) - Body ground Power switch on (ACC) 11 to 14 V

      Result
      Proceed to OK NG

   
   

   OK

   REPLACE NO. 1 STEREO JACK ADAPTER ASSEMBLY Click here

   NG

2. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY)

   
   

   1. Disconnect the H187 radio receiver assembly connector.

   2. Disconnect the H188 No. 1 stereo jack adapter assembly connector.

   3. 

      *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)

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

      Standard Resistance
      Tester Connection Condition Specified Condition H188-1 (USV1) - H187-1 (USV1) Always Below 1 Ω H188-1 (USV1) or H187-1 (USV1) - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

3. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY)

   
   

   1. Disconnect the H94 radio receiver assembly connector.

   2. Disconnect the H185 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 H94-11 (ACC) - H185-12 (ACC) Always Below 1 Ω H94-11 (ACC) or H185-12 (ACC) - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   

   OK

   REPLACE RADIO RECEIVER ASSEMBLY Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR