REAR SEAT ENTERTAINMENT SYSTEM Television Display does not Turn ON

DESCRIPTION

• The multi-display controller sub-assembly and television display assembly are connected using this power on output signal lines.

• Using this circuit, the multi-display controller sub-assembly sends power ON signal to the television display assembly.

CAUTION / NOTICE / HINT

PROCEDURE

1. Click here

   CHECK OPERATION

   
   

   1. Check which television display assembly does not operate.

      Result
      Result Proceed to Television display assembly LH does not operate. A Television display assembly RH does not operate. B Television display assembly LH and television display assembly RH does not operate. C

   
   
   • AClick here
   • BClick here
   • CClick here
2. Click here

   CHECK MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY

   
   

   1. Disconnect the L142 television display assembly RH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition L142-12 - Body ground Power switch on (ACC) 11 to 14 V

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLYClick here

3. Click here

   CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - TELEVISION DISPLAY ASSEMBLY RH)

   
   

   1. Disconnect the L138 multi-display controller sub-assembly connector.

   2. Disconnect the L142 television display assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition L138-4 (ONR) - L142-12 Always Below 1 Ω L138-4 (ONR) - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   
   • OK

     PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR

4. Click here

   CHECK MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY

   
   

   1. Disconnect the L141 television display assembly LH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition L141-12 - Body ground Power switch on (ACC) 11 to 14 V

      Result
      Proceed to OK NG

   
   
   • OKClick here
   • NG

     REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLYClick here

5. Click here

   CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - TELEVISION DISPLAY ASSEMBLY RH)

   
   

   1. Disconnect the L138 multi-display controller sub-assembly connector.

   2. Disconnect the L141 television display assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition L138-5 (ONL) - L141-12 Always Below 1 Ω L138-5 (ONL) - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   
   • OK

     PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here

   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR

6. Click here

   CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY - TELEVISION DISPLAY ASSEMBLY)

   
   

   1. Disconnect the L138 multi-display controller sub-assembly connector.

   2. Disconnect the L142 television display assembly RH connector.

   3. Disconnect the L141 television display assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition L138-4 (ONR) - L142-12 Always Below 1 Ω L138-5 (ONL) - L141-12 Always Below 1 Ω L138-4 (ONR) - Body ground Always 10 kΩ or higher L138-5 (ONL) - Body ground Always 10 kΩ or higher

      Result
      Proceed to OK NG

   
   
   • OK

     REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSEMBLYClick here

   • NG

     REPAIR OR REPLACE HARNESS OR CONNECTOR