PANORAMIC VIEW MONITOR SYSTEM ECU Power Source Circuit

DESCRIPTION

This circuit is the power source circuit to operate the parking assist ECU. The parking assist ECU controls the panoramic view monitor system.

WIRING DIAGRAM

Figure 1. w/o Stop and Start System

B00590EE31

Figure 2. w/ Stop and Start System

B0057BOE02
*a from BBC NO.3 Fuse
*b from Engine Stop and Start ECU
*c Parking Assist ECU

CAUTION / NOTICE / HINT

Note

Inspect the fuse for circuits related to this system before performing the following procedure.

Tech Tips


  • If the television camera controller does not operate due to a power source problem, other system DTCs may be stored due to a CAN communication interruption.

  • w/ Stop and Start System:

    The panoramic view monitor system troubleshooting procedure is based on the premise that the stop and start system is operating normally. Check the stop and start system first before troubleshooting the panoramic view monitor system.

    Click here

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - BATTERY AND BODY GROUND)


    1. B0058PKC36
      *a

      Front view of wire harness connector

      (to Parking Assist ECU)

      Disconnect the parking assist ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P45-4 (GND1) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      P45-1 (+B) - P45-4 (GND1) Always 11 to 14 V
      P45-2 (ACC) - P45-4 (GND1) Engine switch on (ACC)

      11 to 14 V*1

      10.5 to 16 V*2
      Engine switch off Below 1 V
      P45-3 (IG) - P45-4 (GND1) Engine switch on (IG)

      11 to 14 V*1

      10.5 to 16 V*2
      Engine switch off Below 1 V

      • *1: w/o Stop and Start System

      • *2: w/ Stop and Start System

      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR