NAVIGATION SYSTEM Radio Receiver Power Source Circuit

DESCRIPTION

This circuit provides power to the radio and display receiver assembly.

WIRING DIAGRAM

A005LC5E02

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY POWER SOURCE)


    1. Disconnect the F45 and F47 radio and display receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F45-7 (GND1) - Body ground Always Below 1 Ω
    3. A005MJ0E02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Radio and Display Receiver Assembly)

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      F45-4 (+B1) - F45-7 (GND1) Always

      11 to 14 V*1

      9.5 to 14 V*2
      F45-3 (ACC1) - F45-7 (GND1) Ignition switch ACC

      11 to 14 V*1

      9.5 to 14 V*2
      F47-1 (IG) - F45-7 (GND1) Ignition switch ON 11 to 14 V

      • *1: w/o Stop and Start System

      • *2: w/ Stop and Start System

    4. Proceed to the next step based on the check

      Result
      Result Proceed to
      OK A
      NG (w/o Stop and Start System) B
      NG (w/ Stop and Start System) C

    A

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

    B

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    C

    GO TO STOP AND START SYSTEM Click here