Navigation System Parking Brake Switch Circuit

Audio Visual Telematics. Corolla. Zre142 Aze141
Navigation Multi Info Display. Corolla. Zre142 Aze141

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK BRAKE WARNING LIGHT

CHECK HARNESS AND CONNECTOR (PARKING BRAKE SWITCH ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY)

NAVIGATION SYSTEM - Parking Brake Switch Circuit


DESCRIPTION

This circuit is from the parking brake switch assembly to the radio and display receiver assembly.

WIRING DIAGRAM


Corolla. Zre142 Aze141.Navigation Multi Info Display.Navigation System.Navigation System  Parking Brake Switch Circuit


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 (COROLLA_ZRE142 RM000000XHK0FSX.html)
OK


2.CHECK HARNESS AND CONNECTOR (PARKING BRAKE SWITCH ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY)
  1. Disconnect the radio and display receiver 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
    E128-6 (PKB) - E12-1
    Always
    Below 1 Ω
    E128-6 (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 (COROLLA_ZRE142 RM0000011BR0H9X.html)