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

B006LOJE01
*a from Engine Stop and Start ECU
*b from IG1 NO. 1 Relay
*c ECU-IG NO. 3
*d Navigation Receiver Assembly

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


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


    1. B006RK2C01
      *a

      Front view of wire harness connector

      (to Navigation Receiver Assembly)

      Disconnect the navigation receiver assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F1-7 (GND1) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      F1-4 (+B1) - F1-7 (GND1) Always 11 to 14 V
      F1-3 (ACC1) - F1-7 (GND1) Engine switch on (ACC) 11 to 14 V
      F3-1 (IG) - F1-7 (GND1) Engine switch on (IG) 11 to 14 V
      Result
      Result Proceed to
      OK A
      NG (except +B1 and ACC1 circuit) B
      NG (for +B1 and ACC1 circuit) (for 2AR-FE) C
      NG (for +B1 and ACC1 circuit) (for 2GR-FKS) D

    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

    D

    GO TO STOP AND START SYSTEM Click here