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Check that the hazard warning lamps illuminate when the hazard warning lamp switch is turned ON.
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Q.
Is the check result normal?
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Refer to Inspection Procedure 1 "The hazard warning lamps do not illuminate" .
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Check if diagnosis code is set to the ABS-ECU or ASC-ECU.
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Q.
Is the diagnosis code set to the any of the above?
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Set to the ABS-ECU. : Troubleshoot the ABS. Refer to GROUP 35B - Troubleshooting .
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Set to the ASC-ECU. : Troubleshoot the ASC. Refer to GROUP 35C - Troubleshooting .
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The diagnosis code is not set. : Go to Step 3
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ABS-ECU or ASC-ECU
- Item 10: ESS test mode (Refer to <ABS> or <ASC>).
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OK: The ESS function operates.
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Q.
Is the check result normal?
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Replace the ABS-ECU or ASC-ECU.
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Check that the ESS function works normally.
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Q.
Is the check result normal?
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The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ).
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