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NAVIGATION SYSTEM (for Navigation Receiver Type) > Parking Brake Switch Circuit

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DESCRIPTION

This circuit is from the parking brake switch assembly to the navigation ECU sub-assembly.

WIRING DIAGRAM


E226166E41


INSPECTION PROCEDURE

1.CHECK BRAKE WARNING LIGHT

  1. Check that the brake warning light comes on when the parking brake is applied and goes off when it is released.

    OK:
    The brake warning light operates as specified above.



NG
GO TO BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS (Click here)
OK


2.CHECK HARNESS AND CONNECTOR (PARKING BRAKE SWITCH ASSEMBLY - NAVIGATION ECU SUB-ASSEMBLY)

  1. Disconnect the navigation ECU sub-assembly connector.

  1. Disconnect the parking brake switch assembly connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    L150-6 (PKB) - A25-1
    		Always
    		Below 1 Ω
    L150-6 (PKB) - Body ground
    		Always
    		10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

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