| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM10000000101L3 |
| Model Year Start: 2017 | Model: Sienna | Prod Date Range: [08/2016 - ] |
| Title: UA80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2017 - 2020 MY Sienna [08/2016 - ] | ||
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HOW TO PROCEED WITH TROUBLESHOOTING |
CAUTION / NOTICE / HINT
HINT:
- The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communication 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 |
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding.
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4. |
CONNECT TECHSTREAM TO DLC3* |
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5. |
CHECK AND CLEAR DTCS AND FREEZE FRAME DATA* |
(a) Refer to DTC Check / Clear.
Click here
![2017 - 2020 MY Sienna [08/2016 - ]; UA80F (AUTOMATIC TRANSMISSION / TRANSAXLE): AUTOMATIC TRANSAXLE SYSTEM: DTC CHECK / CLEAR](/t3Portal/stylegraphics/info.gif)
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6. |
VISUAL INSPECTION |
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7. |
SELECT CHECK MODE DIAGNOSIS* |
(a) Refer to Check Mode Procedure.
Click here
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8. |
PROBLEM SYMPTOM CONFIRMATION |
(a) Refer to Road Test.
Click here
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Result |
Proceed to |
|---|---|
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Symptom does not occur |
A |
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Symptom occurs |
B |
| B |
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9. |
SYMPTOM SIMULATION |
(a) Refer to Symptom Simulation.
Click here
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10. |
DTC CHECK* |
(a) Refer to DTC Check / Clear.
Click here
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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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11. |
BASIC INSPECTION |
(a) Refer to Park/Neutral Position Switch.
Click here
(b) Refer to Transmission Control Cable.
Click here
| NG |
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12. |
MECHANICAL SYSTEM TESTS |
(a) Refer to Mechanical System Tests.
Click here
| NG |
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13. |
HYDRAULIC TEST |
(a) Refer to Hydraulic Test.
Click here
| NG |
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14. |
MANUAL SHIFTING TEST |
(a) Refer to Manual Shifting Test.
Click here
| NG |
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15. |
PROBLEM SYMPTOMS TABLE CHAPTER 1 |
(a) Refer to Problem Symptoms Table.
Click here
| NG |
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16. |
PROBLEM SYMPTOMS TABLE CHAPTER 2 |
(a) Refer to Problem Symptoms Table.
Click here
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17. |
COMPONENT INSPECTION |
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18. |
REPAIR OR REPLACE |
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19. |
CONFIRMATION TEST |
| NEXT |
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END |
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20. |
DTC CHART |
(a) Refer to Diagnostic Trouble Code Chart.
Click here
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21. |
CIRCUIT INSPECTION |
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22. |
IDENTIFICATION INFORMATION |
| NEXT |
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