Toyota Avalon Service & Repair Manual: Diagnosis System

DIAGNOSIS SYSTEM

DESCRIPTION

(a) The DCM (Telematics Transceiver) control the vehicle safety connect system functions. Safety connect system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the safety connect system. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.

CHECK DLC3

(a) Check the DLC3.

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INSPECT AUXILIARY BATTERY VOLTAGE

(a) Measure the battery voltage with the power switch off.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the auxiliary battery.

CHECK INDICATOR

(a) When a malfunction is detected in the safety connect system, the manual (SOS) switch red indicator on the manual (SOS) switch illuminates to inform the driver of the malfunction.

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    Dcm Power Source Circuit

    Diagnostic Trouble Code Chart

    See More:

    Toyota Avalon Service & Repair Manual > Hybrid Control System: How To Proceed With Troubleshooting
    CAUTION / NOTICE / HINT HINT: *: Use the Techstream Use the following procedure to troubleshoot the hybrid control system. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS NEXT 3. CONNECT TECHSTREAM TO THE DLC3* HINT: If the display on the tester indicates a communication e ...

    Toyota Avalon Owners Manual

    Toyota Avalon Service & Repair Manual

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