PARKING ASSIST MONITOR SYSTEM Reverse Signal Circuit

DESCRIPTION

The multi-media module receiver assembly receives a reverse signal from the luggage room junction block assembly.

WIRING DIAGRAM

A000YZ6E89
*a REV
*b Luggage Room Junction Block Assembly (Rear Junction Block ECU)
*c Multi-media Module Receiver Assembly

PROCEDURE


  1. CHECK MULTI-MEDIA MODULE RECEIVER ASSEMBLY (REVERSE SIGNAL)


    1. A000Z1UE01
      Text in Illustration
      *a

      Component with harness connected

      (Multi-media Module Receiver Assembly)

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      L164-57 (REV) - Body ground Power switch on (IG), shift lever in R 11 to 14 V
      L164-57 (REV) - Body ground Power switch on (IG), shift lever not in R Below 1 V

    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE RECEIVER ASSEMBLY - LUGGAGE ROOM JUNCTION BLOCK ASSEMBLY)


    1. Disconnect the L164 multi-media module receiver assembly connector.

    2. Disconnect the S63 luggage room junction block assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      L164-57 (REV) - S63-1 (BCK1) Always Below 1 Ω
      L164-57 (REV) - Body ground Always 10 kΩ or higher

    OK

    REPLACE LUGGAGE ROOM JUNCTION BLOCK ASSEMBLY (REAR JUNCTION BLOCK ECU)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR