Toyota Avalon Service & Repair Manual: Reverse 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

G1-28 (REV2) - G13-19 (REV2)

Always

Below 1 Ω

G1-28 (REV2) or G13-19 (REV2) - 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

    Registered Device cannot be Deleted

    Reverse Signal Circuit

    See More:

    Toyota Avalon Service & Repair Manual > Sfi System: HO2S Heater Control Bank 1 Sensor 1 Circuit Short to Battery (P003012,P003013,P101A9E)
    DESCRIPTION The air fuel ratio sensor (sensor 1) generates current that corresponds to the actual air fuel ratio. This sensor current is used to provide the ECM with feedback so that it can control the air fuel ratio. The ECM determines the deviation from the stoichiometric air fuel ratio level, and ...

    Toyota Avalon Owners Manual

    Toyota Avalon Service & Repair Manual

    © 2021 Copyright www.tavalon.net
    0.0345