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NAVIGATION SYSTEM Reverse Signal Circuit

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DTC Code DTC Name
  Reverse Signal Circuit
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DESCRIPTION

The multi-media module receiver assembly receives a reverse signal from the park/neutral position switch assembly.

Table 1. *a from IG1 NO.2 Relay *b REV *c Park/Neutral Position Switch Assembly *d Multi-media Module Receiver Assembly
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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System (Click here).

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PROCEDURE


  1. Click here

    CHECK VEHICLE SIGNAL (OPERATION CHECK)


    1. B001YAY

      Enter the "Vehicle Signal Check Mode" screen. [Refer to check Vehicle Signal in Operation Check (Click here)].

    2. Check that the display changes between ON and OFF according to the shift lever position.

      OK
      Shift Lever Position Display
      R ON
      Except R OFF
      Tip:

      This display is updated once per second. As a result, it is normal for the display to lag behind the actual shift lever position.


  2. Click here

    CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY


    1. B001ZCBE01

      Disconnect the multi-media module receiver assembly connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      F77-57 (REV) - Body ground Engine switch on (IG), shift lever in R 7.5 to 14 V
      F77-57 (REV) - Body ground Engine switch on (IG), shift lever not in R Below 1 V
      Table 2. Text in Illustration
      *a

      Front view of wire harness connector

      (to Multi-media Module Receiver Assembly)

  3. Click here

    CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - PARK/NEUTRAL POSITION SWITCH ASSEMBLY)


    1. Disconnect the F77 multi-media module receiver assembly connector.

    2. Disconnect the C24 park/neutral position switch assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F77-57 (REV) - C24-2 (RL) Always Below 1 Ω
      F77-57 (REV) - Body ground Always 10 kΩ or higher

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

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    CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY - BATTERY)


    1. B001WS4E01

      Disconnect the park/neutral position switch assembly connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      C24-1 (RB) - Body ground Engine switch on (IG) 11 to 14 V
      Table 3. Text in Illustration
      *a

      Front view of wire harness connector

      (to Park/neutral Position Switch Assembly)
      Table 4. Result
      Result Proceed to
      OK (for AB60F) A
      OK (for AE80F) B
      NG C

    • A

      REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (Click here)

    • B

      REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (Click here)

    • C

      REPAIR OR REPLACE HARNESS OR CONNECTOR