NAVIGATION SYSTEM Navigation Receiver Assembly Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the navigation ECU sub-assembly.

WIRING DIAGRAM


  1. w/ Front Center Speaker

    A01CFWKE01

  2. w/o Front Center Speaker

    A01CG6VE58

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 ECU SUB-ASSEMBLY POWER SOURCE)


    1. Disconnect the F23 navigation ECU sub-assembly connector (w/ Front Center Speaker).

    2. Disconnect the F34 and F36 navigation ECU sub-assembly connectors (w/o Front Center Speaker).

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

      Standard Resistance
      w/ Front Center Speaker
      Tester Connection Condition Specified Condition
      F23-12 (GND1) - Body ground Always Below 1 Ω
      w/o Front Center Speaker
      Tester Connection Condition Specified Condition
      F34-7 (GND) - Body ground Always Below 1 Ω

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

      Standard Voltage
      w/ Front Center Speaker
      Tester Connection Condition Specified Condition
      F23-17 (+B1) - F23-12 (GND1) Always 11 to 14 V
      F23-16 (ACC1) - F23-12 (GND1) Engine switch on (ACC) 11 to 14 V
      F23-15 (IG) - F23-12 (GND1) Engine switch on (IG) 11 to 14 V
      w/o Front Center Speaker
      Tester Connection Condition Specified Condition
      F34-4 (+B1) - F34-7 (GND) Always 11 to 14 V
      F34-3 (ACC1) - F34-7 (GND) Engine switch on (ACC) 11 to 14 V
      F36-1 (IG) - F34-7 (GND) Engine switch on (IG) 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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