| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000WP8J |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - ] |
| Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2016 - 2020 MY Sienna [12/2015 - ] | ||
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HOW TO PROCEED WITH TROUBLESHOOTING |
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the blind spot monitor system.
- *: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS |
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3. |
INSPECT BATTERY VOLTAGE |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.
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4. |
CHECK CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Click here
![2016 MY Sienna [12/2015 - 08/2016]; NETWORKING: CAN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
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Result |
Proceed to |
|---|---|
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CAN communication system DTC is not output |
A |
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CAN communication system DTC is output |
B |
| B |
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GO TO CAN COMMUNICATION SYSTEM
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5. |
CHECK FOR DTC AND FREEZE FRAME DATA* |
(a) Refer to DTC Check / Clear of the blind spot monitor system.
Click here
(b) Record or print DTCs and freeze frame data, if necessary.
Click here
|
Result |
Proceed to |
|---|---|
|
DTCs are output |
A |
|
DTCs are not output |
B |
| B |
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6. |
DTC CLEAR* |
(a) Refer to DTC Check / Clear of the blind spot monitor system.
Click here
HINT:
The current DTCs may not indicate actual malfunctions depending on the vehicle operating conditions.
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7. |
RECHECK FOR DTC* |
(a) Refer to DTC Check / Clear of the blind spot monitor system.
Click here
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Result |
Proceed to |
|---|---|
|
DTCs are output |
A |
|
DTCs are not output |
B |
HINT:
- Even if the malfunction symptom is not confirmed, check for DTCs. This is because the system stores history DTCs.
- Check the DTC and inspect the area that the code indicates.
| B |
|
GO TO DIAGNOSTIC TROUBLE CODE CHART
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8. |
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 |
HINT:
If the symptom does not recur and no DTC is output, attempt to reproduce the symptoms.
Click here
| B |
|
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9. |
PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM* |
(a) Refer to Terminals of ECU.
Click here
(b) Refer to Data List / Active Test.
Click here
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10. |
CIRCUIT INSPECTION |
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11. |
ADJUST, REPAIR OR REPLACE |
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12. |
PERFORM BEAM AXIS INSPECTION |
(a) Enter Test Mode (refer to Blind Spot Monitor Beam Axis Inspection).
Click here
(b) Confirm the blind spot monitor beam axis display and perform the blind spot monitor beam axis adjustment.
Click here
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13. |
PERFORM CONFIRMATION TEST* |
| NEXT |
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END |
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