SEAT WARMER ON SEAT BACK SIDE DOES NOT WARM UP [SEAT WARMER SYSTEM]
SEAT WARMER ON SEAT BACK SIDE DOES NOT WARM UP [SEAT WARMER SYSTEM]
SM2336292
id0903m2022400
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Note
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• When the seat warmer switch is turned on with the ignition switched ON (engine on), the seat warmer system operates.
Outline
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Description
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• The seat warmer on the seat cushion side warms up, but the seat warmer on the seat back side does not.
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Possible cause
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• Seat warmer unit malfunction
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Diagnostic Procedure
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Step |
Inspection |
Results |
Action |
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1
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VERIFY ALL SYSTEM DTCs
• Perform the DTC inspection. (See DTC INSPECTION.)
• Are any DTCs displayed?
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Yes
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Repair the malfunctioning location according to the applicable DTC troubleshooting.
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No
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Go to the next step.
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2
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INSPECT SEAT WARMER UNIT FOR MALFUNCTION
• Inspect the applicable part. (See SEAT WARMER UNIT INSPECTION [(US)].)
• Is the part normal?
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Yes
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Go to the next step.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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Repair completion verification
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VERIFY THAT VEHICLE IS REPAIRED
• Install/connect the part removed/disconnected during the troubleshooting procedure.
• Has the malfunction symptom been eliminated?
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Yes
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Complete the symptom troubleshooting. (Explain contents of repair to customer)
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No
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Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
If the CAN communication is normal, perform the diagnosis from Step 1.
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