Navigation System Vehicle Speed Signal Circuit Between Radio Receiver And Extension Module

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - EXTENSION MODULE)

NAVIGATION SYSTEM - Vehicle Speed Signal Circuit between Radio Receiver and Extension Module


DESCRIPTION

The extension module receives a vehicle speed signal from the radio and display receiver assembly and information from the navigation antenna, and then adjusts vehicle position.

WIRING DIAGRAM


Corolla. Zre142 Aze141.Navigation Multi Info Display.Navigation System.Navigation System Vehicle Speed Signal Circuit Between Radio Receiver And Extension Module


INSPECTION PROCEDURE

1.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - EXTENSION MODULE)

  1. Disconnect the radio and display receiver assembly connector.

  1. Disconnect the extension module connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    f2-2 (SPD) - f1-18 (SPD)
    		Always
    		Below 1 Ω
    f2-2 (SPD) - 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)