NAVIGATION SYSTEM (for Navigation Receiver Type) Navigation Receiver Assembly Power Source Circuit

DESCRIPTION

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

WIRING DIAGRAM

A01EM69E71

INSPECTION PROCEDURE

Note

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

PROCEDURE


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


    1. Disconnect the E38 and E40 navigation receiver assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E38-7 (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
      E38-4 (+B1) - E38-7 (GND1) Always 11 to 14 V
      E38-3 (ACC1) - E38-7 (GND1) Ignition switch ACC 11 to 14 V
      E40-1 (IG) - E38-7 (GND1) Ignition switch ON 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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