NAVIGATION SYSTEM Navigation Receiver Assembly Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the navigation receiver assembly.

WIRING DIAGRAM

A003TFWE06

INSPECTION PROCEDURE

PROCEDURE


  1. INSPECT NAVIGATION RECEIVER ASSEMBLY


    1. Disconnect the E1 navigation receiver assembly connector.

    2. Disconnect the E26 navigation receiver assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E1-7 (E) - Body ground Always Below 1 Ω
      E26-20 (LRHD) - Body ground*1 Always Below 1 Ω

      • *1: for RHD

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      E1-4 (B) - E1-7 (E) Power switch off 11 to 14 V
      E1-3 (ACC) - E1-7 (E) Power switch on (ACC) 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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