| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001BKBK |
| Model Year Start: 2019 | Model: Avalon | Prod Date Range: [04/2018 - ] |
| Title: SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING; 2019 - 2022 MY Avalon [04/2018 - ] | ||
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HOW TO PROCEED WITH TROUBLESHOOTING |
CAUTION / NOTICE / HINT
HINT:
- Use the following procedure to troubleshoot the airbag system.
- *: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS |
(a) Confirm problem symptoms.
Click here
![2019 - 2022 MY Avalon Avalon HV [04/2018 - ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
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3. |
CHECK CAN COMMUNICATION SYSTEM* |
(a) Using the Techstream, check if the CAN communication system is functioning normally.
OK:
CAN communication system is functioning normally.
HINT:
-
Refer to Communication Bus Check in CAN Communication System.
Click here
- The airbag ECU assembly 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.
| NG |
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4. |
SRS WARNING LIGHT CHECK |
(a) Proceed to Operation Check.
Click here
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5. |
CHECK FOR DTC* |
(a) Proceed to DTC Check / Clear.
Click here
OK:
DTCs are not output.
| NG |
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6. |
SYMPTOM SIMULATION |
(a) Proceed to How to Proceed with Troubleshooting.
Click here
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7. |
PROBLEM SYMPTOMS TABLE |
(a) Proceed to Problem Symptoms Table.
Click here
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8. |
CIRCUIT INSPECTION* |
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9. |
IDENTIFICATION OF PROBLEM |
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10. |
REPAIR OR REPLACEMENT |
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11. |
CONFIRMATION TEST |
| NEXT |
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END |
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12. |
DIAGNOSTIC TROUBLE CODE CHART |
(a) Proceed to Diagnostic Trouble Code Chart.
Click here
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13. |
CIRCUIT INSPECTION* |
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14. |
IDENTIFICATION OF PROBLEM |
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15. |
REPAIR OR REPLACEMENT |
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16. |
CONFIRMATION TEST |
| NEXT |
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END |
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