| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001ATPY |
| Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 - 08/2020] |
| Title: VEHICLE PROXIMITY NOTIFICATION SYSTEM: VEHICLE PROXIMITY NOTIFICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020] | ||
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HOW TO PROCEED WITH TROUBLESHOOTING |
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the vehicle proximity notification system.
- *: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK |
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 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](/t3Portal/stylegraphics/info.gif)
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Result |
Proceed to |
|---|---|
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CAN DTCs are not output |
A |
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CAN DTCs are output |
B |
| B |
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5. |
CHECK LIGHTING SYSTEM |
(a) Check if the lighting system is functioning normally.
for HV Model with Cornering Light: Click here
for HV Model without Cornering Light: Click here
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Result |
Proceed to |
|---|---|
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Lighting system is functioning normally |
A |
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Lighting system is not functioning normally |
B |
| B |
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GO TO LIGHTING SYSTEM for HV Model with Cornering Light: Click here
for HV Model without Cornering Light: Click here
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6. |
CHECK METER / GAUGE SYSTEM* |
(a) Using the Techstream, check if the meter/gauge system is functioning normally.
Click here
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Result |
Proceed to |
|---|---|
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No vehicle speed signal is mistakenly received |
A |
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A vehicle speed signal is mistakenly received |
B |
| B |
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7. |
CHECK HYBRID CONTROL SYSTEM |
(a) Check whether the hybrid control system is functioning normally.
Click here
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Result |
Proceed to |
|---|---|
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Hybrid control system is functioning normally |
A |
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Hybrid control system is not functioning normally |
B |
| B |
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8. |
CHECK FOR DTC* |
(a) Check for DTCs.
Body Electrical > Vehicle Proximity Notification System > Trouble Codes
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Result |
Proceed to |
|---|---|
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DTCs are not output |
A |
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DTCs are output |
B |
| B |
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9. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
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Result |
Proceed to |
|---|---|
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Fault is not listed in Problem Symptoms Table |
A |
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Fault is listed in Problem Symptoms Table |
B |
| B |
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10. |
OVERALL ANALYSIS AND TROUBLESHOOTING |
(a) Operation Check.
Click here
(b) Data List / Active Test
Click here
(c) Terminals of ECU
Click here
(d) Inspection
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11. |
REPAIR OR REPLACE |
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12. |
CONFIRMATION TEST |
| NEXT |
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END |
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