Toyota Camry owners & service manuals

Toyota Camry (XV70): Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU

Toyota Camry Repair Manual XV70 (2018-2024) / Audio, Visual, Telematics / Navigation / Multi Info Display / Navigation System / Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU

DESCRIPTION

This circuit includes the navigation ECU and radio and display receiver assembly.

WIRING DIAGRAM

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU)

(a) Disconnect the K1 radio and display receiver assembly connector.

(b) Disconnect the K17 navigation ECU connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

K1-7 (SUP) - K17-21 (SUP)

Always

Below 1 Ω

K1-7 (SUP) or K17-21 (SUP) - Body ground

Always

10 kΩ or higher
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

    READ NEXT:

     Voice Guidance Circuit between Radio Receiver and Stereo Component Amplifier

    DESCRIPTION Using this circuit, the radio and display receiver assembly sends signals to the stereo component amplifier assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR

     Microphone Circuit

    DESCRIPTION w/o Manual (SOS) Switch: The radio and display receiver assembly, roof console box sub-assembly and telephone microphone assembly are connected to each other using the microphone co

     Radio Receiver Power Source Circuit

    DESCRIPTION This is the power source circuit to operate the radio and display receiver assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this syst

    SEE MORE:

     Customize Parameters

    CUSTOMIZE PARAMETERS CUSTOMIZE TELEMATICS SYSTEM (a) Customizing with the Techstream. NOTICE: When the customer requests a change in a function, first make sure that the function can be customized. Be sure to make a note of the current settings before customizing. When troubleshooti

     Back-up Battery

    ComponentsCOMPONENTS ILLUSTRATION *1 BACK-UP BATTERY *2 TRANSCEIVER COVER RemovalREMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced duri

    © 2023-2025 Copyright www.tocamry.com