Toyota Avalon Service & Repair Manual: Diagnosis System

DIAGNOSIS SYSTEM

DESCRIPTION

(a) Seat heater system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.

CHECK DLC3

(a) Check the DLC3.

Click here

INSPECT AUXILIARY BATTERY VOLTAGE

(a) Check the auxiliary battery voltage with the power switch.

Standard Voltage:

11 to 14 V

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

    Data List / Active Test

    Diagnostic Trouble Code Chart

    See More:

    Toyota Avalon Service & Repair Manual > Air Conditioning System(for Gasoline Model): Lost Communication With ECM/PCM "A" (U0100-U0142,U0151,U0155,U0163)
    DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory U0100 Lost Communication With ECM/PCM "A" No communication with ECM CAN communication system ECM Memorized U0131 Lost Communication With Power Steering Control Module No communication with power steering ECU (rack and pin ...

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    Toyota Avalon Service & Repair Manual

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