Toyota Sienna Service Manual: Television Display Assembly Communication Error

Toyota Sienna Service Manual / Audio / visual / Audio and visual system / Diagnostic trouble code chart / Television Display Assembly Communication Error

INSPECTION PROCEDURE

1 IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE

Enter the diagnostic mode.

IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE

Press the preset switch "3" to change to "Detailed Information Mode".
Identify the component shown by the sub-code.

HINT:

"190 (radio receiver)" is the component shown by the sub-code in the example shown in the illustration.
For details of the DTC display, refer to "DTC CHECK/ CLEAR"

2 CHECK POWER SOURCE CIRCUIT OF COMPONENT SHOWN BY SUB-CODE

Inspect the power source circuit of the component shown by the sub-code.

If the power source circuit is operating normally, proceed to the next step

Component Table:

Component Table

3 INSPECT RADIO RECEIVER

INSPECT RADIO RECEIVER

Disconnect the radio receiver connectors.
Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

*1: 10 Speaker System

4 CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - COMPONENT SHOWN BY SUB-CODE)

HINT:

Start the check from the circuit that is near the component shown by the sub-code first.
For details of the connectors, refer to "TERMINALS OF ECU".

Referring to the AVC-LAN wiring diagram below, check the AVC-LAN circuit between the television display assembly and the component shown by the sub-code.

Disconnect all connectors between the television display assembly and the component shown by sub-code.
Check for an open or short in the AVC-LAN circuit between the television display assembly and the component shown by the sub-code.

OK: There is no open or short circuit

CHECK HARNESS AND CONNECTOR (TELEVISION DISPLAY ASSEMBLY - COMPONENT SHOWN BY SUB-CODE)

5 REPLACE COMPONENT SHOWN BY SUB-CODE

Replace the component shown by the sub-code with a normal one and check if the same problem occurs again.

OK: Same problem does not occur.

END

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