Navigation System Sound Signal Circuit Between Navigation Receiver Assembly And Stereo Jack Adapter

Audio Visual Telematics. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Navigation Multi Info Display. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO JACK ADAPTER ASSEMBLY)

NAVIGATION SYSTEM - Sound Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter


DESCRIPTION

The No. 1 stereo jack adapter assembly sends an external device sound signal to the navigation receiver assembly through this circuit.
The sound signal that has been sent is amplified by the navigation receiver assembly, and then is sent to the speakers.
If there is an open or short in the circuit, sound cannot be heard from the speakers even if there is no malfunction in the navigation receiver assembly or speakers.

WIRING DIAGRAM


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Navigation Multi Info Display.Navigation System.Navigation System  Sound Signal Circuit Between Navigation Receiver Assembly And Stereo Jack Adapter


INSPECTION PROCEDURE

1.CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - STEREO JACK ADAPTER ASSEMBLY)
  1. Disconnect the G152 and z7 navigation receiver assembly connectors.

  1. Disconnect the z1 No. 1 stereo jack adapter assembly connector.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    G152-28 (VAL+) - z1-6 (ALO)
    Always
    Below 1 Ω
    G152-26 (VAR+) - z1-5 (ARO)
    Always
    Below 1 Ω
    G152-27 (VA-) - z1-7 (ASGN)
    Always
    Below 1 Ω
    G152-11 (AGND) - z1-9 (AGND)
    Always
    Below 1 Ω
    G152-25 (ADPG) - z1-8 (AUXO)
    Always
    Below 1 Ω
    z7-2 (US1-) - z1-2 (UDO-)
    Always
    Below 1 Ω
    z7-3 (US1+) - z1-3 (UDO+)
    Always
    Below 1 Ω
    G152-28 (VAL+) - Body ground
    Always
    10 kΩ or higher
    G152-26 (VAR+) - Body ground
    Always
    10 kΩ or higher
    G152-27 (VA-) - Body ground
    Always
    10 kΩ or higher
    G152-11 (AGND) - Body ground
    Always
    10 kΩ or higher
    G152-25 (ADPG) - Body ground
    Always
    10 kΩ or higher
    z7-2 (US1-) - Body ground
    Always
    10 kΩ or higher
    z7-3 (US1+) - 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 (HILUX_TGN26 RM000002LQ301IX.html)