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Inspection Procedure

  1. CHECK BACK-UP LIGHT 
    1. Move the shift lever to the R position and check if the back-up lights come on.

      OK: 

      The back-up lights come on. 

    NG:  GO TO LIGHTING SYSTEM

    OK: Go to next step 

  2. CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE) 
    1. Enter the "Display Check" mode (Vehicle Signal Check Mode) (See DISPLAY CHECK MODE  ).
    2. Check that the display changes between ON and OFF according to the shift lever operation (P and R).

      OK 

      SHIFT LEVER OPERATION REFERENCE

      Shift Lever Position Display
      Reverse ON
      Except Reverse OFF
      Fig 1: Screen Display - Vehicle Signal Check Mode
      G05832660Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      This display is updated once per seconds. As a result, it is normal for the display to lag behind the actual change in the switch.

    NG:  Go to step  5

    OK: Go to next step 

  3. CHECK HARNESS AND CONNECTOR (NAVIGATION ECU - MULTI-DISPLAY) 
    1. Disconnect multi-display connector p1 and navigation ECU connector p2.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE REFERENCE

      Tester Connection Condition Specified Condition
      REV2 - REV Always Below 1 Ω
      REV2 - Body ground Always 10 kΩ or higher
      3. Fig 2: Identifying Multi-display Connector p1 And Navigation ECU Connector p2
      G05832661Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  4. INSPECT NAVIGATION ECU 
    1. Reconnect the multi-display connector p1.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      VOLTAGE SPECIFICATION

      Tester Connection Condition Specified condition
      REV - Body ground Engine switch is on (IG).
      Shift lever is moved to Reverse position.      		 10 to 14 V
      REV - Body ground Engine switch is on (IG).
      Shift lever is moved to any position except Reverse.      		 Below 1 V
      3. Fig 3: Identifying Multi-display Connector p1
      G05832662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE MULTI-DISPLAY 

    OK: REPLACE NAVIGATION ECU 

  5. INSPECT MULTI-DISPLAY 
    1. Disconnect the multi-display connector J50.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      VOLTAGE SPECIFICATION

      Tester Connection Condition Specified condition
      REV - Body ground Engine switch is on (IG).
      Shift lever is moved to Reverse position.      		 10 to 14 V
      REV - Body ground Engine switch is on (IG).
      Shift lever is moved to any position except Reverse.      		 Below 1 V
      Fig 4: Identifying Multi-display Connector J50
      G05832663Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE MULTI-DISPLAY 

    NG: Go to next step 

  6. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY - COWL SIDE J/B LH) 
    1. Disconnect the multi-display connector J50 and cowl side J/B LH connector Q2.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      RESISTANCE REFERENCE

      Tester Connection Condition Specified Condition
      REV - BACK Always Below 1 Ω
      REV - Body ground Always 10 kΩ or higher
      3. Fig 5: Identifying Multi-display Connector J50 And Cowl Side J/B LH Connector Q2
      G05832664Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  7. CHECK HARNESS AND CONNECTOR (JUNCTION CONNECTOR - COWL SIDE J/B LH) 
    1. Disconnect the main body ECU LH (cowl side J/B LH) connector LJ.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      VOLTAGE SPECIFICATION

      Tester Connection Condition Specified condition
      BKUP - Body ground Engine switch is on (IG).
      Shift lever is moved to Reverse position.      		 10 to 14 V
      BKUP - Body ground Engine switch is on (IG).
      Shift lever is moved to any position except Reverse.      		 Below 1 V
      Fig 6: Identifying Main Body ECU LH (Cowl Side J/B LH) Connector LJ
      G05832665Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE MAIN BODY ECU LH (COWL SIDE J/B LH) 

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