NAVIGATION SYSTEM (for DVD) > Navigation ECU Power Source Circuit

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DESCRIPTION

This is the power source circuit to operate the display and navigation module display.

WIRING DIAGRAM


E181044E11


INSPECTION PROCEDURE

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

1.CHECK HARNESS AND CONNECTOR (DISPLAY AND NAVIGATION MODULE DISPLAY POWER SOURCE)

  1. Disconnect the H60 display and navigation module display connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    H60-10 (GND1) - Body ground
    		Always
    		Below 1 Ω

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    H60-1 (+B1) - H60-10 (GND1)
    		Power switch off
    		11 to 14 V
    H60-2 (ACC) - H60-10 (GND1)
    		Power switch on (ACC)
    		11 to 14 V
    H60-3 (IG) - H60-10 (GND1)
    		Power 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)