FixVault

Inspection Procedure

  1. INSPECT RADIO RECEIVER 
    1. Disconnect the radio receiver connectors.
    2. Measure the resistance according to the value(s) in the table below.

    Resistance 

    TERMINALS RESISTANCE SPECIFICATION

    Tester Connection Condition Specified Condition
    ATX+ (R2-5) - ATX- (R2-15) Always 60 to 80 Ω
    TX+ (R3-9) - TX- (R3-10) Always 60 to 80 Ω
    TX+ (R4-9) - TX- (R4-10) Always 60 to 80 Ω
    Fig 1: Identifying Radio Receiver Connector terminals
    G04092986Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE RADIO RECEIVER 

    OK: Go to next step 

  2. CHECK HARNESS AND CONNECTOR 

    HINT:

    For details of the connectors, refer to "TERMINALS OF ECU " ).

    1. Referring to the AVC-LAN wiring diagram below, check all AVC-LAN circuits.
      1. Check for an open or short in all AVC-LAN circuits.

        OK: There is no open or short circuit. 

    Fig 2: AVC-LAN - Wiring Diagram (With Rear Seat Entertainment System)
    G04092987Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 3: AVC-LAN Communication - Wiring Diagram (Without Rear Seat Entertainment System)
    G04092988Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: RETURN TO THE ORIGINAL INSPECTION FLOW BECAUSE THE CHECK RESULT IS NORMAL