Toyota Avalon Service & Repair Manual: Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU

Toyota Avalon Service & Repair Manual / Audio, Visual, Telematics / Navigation / Multi Info Display / Navigation System(for Gasoline Model) / 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 G1 radio and display receiver assembly connector.

(b) Disconnect the G13 navigation ECU connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G1-7 (SUP) - G13-21 (SUP)

Always

Below 1 Ω

G1-7 (SUP) or G13-21 (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
    Speaker Circuit

    Steering Pad Switch Circuit

    See More:

    Toyota Avalon Service & Repair Manual > Hybrid Control System: Hybrid/EV Battery State of Charge High (P0C3000)
    DESCRIPTION The hybrid vehicle control ECU monitors the system internal operation and will store a DTC and perform fail-safe control if it detects the following malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P0C3000 Hybrid/EV Battery State of Charge Hig ...

    Toyota Avalon Owners Manual

    Toyota Avalon Service & Repair Manual

    © 2021 Copyright www.tavalon.net
    0.0297