NAVIGATION SYSTEM(for Navigation Receiver Type) Reverse Signal Circuit

DESCRIPTION

The navigation receiver assembly receives a reverse signal from the No. 1 integration relay.

WIRING DIAGRAM

A005AHUE22
*a REV
*b NAV
*c Navigation Receiver Assembly
*d No. 1 Integration Relay

PROCEDURE


  1. CHECK BACK-UP LIGHT


    1. Check that the back-up light comes on.

      OK
      The back-up light comes on.

    NG

    GO TO LIGHTING SYSTEM Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (REVERSE SIGNAL)


    1. Disconnect the L38 navigation receiver assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      L38-2 (REV) - Body ground

      Power switch on (IG)

      Reverse (R) selected

      		 11 to 14 V
      L38-2 (REV) - Body ground

      Power switch on (IG)

      Shift state other than reverse (R) selected

      		 Below 1 V

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR