Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001BQPV
Model Year Start: 2019 Model: Avalon HV Prod Date Range: [04/2018 -           ]
Title: DOOR / HATCH: LUGGAGE COMPARTMENT DOOR OPENER SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING; 2019 - 2022 MY Avalon HV [04/2018 -        ]

HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedure to troubleshoot the luggage compartment door opener system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP
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2.

CUSTOMER PROBLEM ANALYSIS

HINT:

  • In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
  • Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
  • The following 5 items are important points for problem analysis:

    What

    Vehicle model, system name

    When

    Date, time, occurrence frequency

    Where

    Road conditions

    Under what conditions?

    Driving conditions, weather conditions

    How did it happen?

    Problem symptoms
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3.

PRE-CHECK

(a) Measure the auxiliary 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 before proceeding to the next step.

(b) Check the fuses and relays.

(c) Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

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4.

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, check for CAN communication system DTCs.

Click here 2019 - 2020 MY Avalon HV [04/2018 - 08/2020]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): DIAGNOSIS SYSTEM 2021 MY Avalon HV [08/2020 - 08/2021]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): DIAGNOSIS SYSTEM 2022 MY Avalon HV [08/2021 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): DIAGNOSIS SYSTEM

Result

Proceed to

CAN DTCs are not output

A

CAN DTCs are output

B
B

GO TO CAN COMMUNICATION SYSTEM

A

5.

PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; DOOR / HATCH: LUGGAGE COMPARTMENT DOOR OPENER SYSTEM (for HV Model): PROBLEM SYMPTOMS TABLE

Result

Proceed to

Fault is not listed in Problem Symptoms Table

A

Fault is listed in Problem Symptoms Table

B
B

GO TO STEP 7

A

6.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Operation Check

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; DOOR / HATCH: LUGGAGE COMPARTMENT DOOR OPENER SYSTEM (for HV Model): OPERATION CHECK

(b) Terminals of ECU

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; DOOR / HATCH: LUGGAGE COMPARTMENT DOOR OPENER SYSTEM (for HV Model): TERMINALS OF ECU

(c) Data List / Active Test

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; DOOR / HATCH: LUGGAGE COMPARTMENT DOOR OPENER SYSTEM (for HV Model): DATA LIST / ACTIVE TEST

(d) Inspection

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7.

REPAIR OR REPLACE
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8.

CONFIRMATION TEST
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END