TRANSAXLE OVERHEATS [EV6A-EL, EV6AX-EL]
TRANSAXLE OVERHEATS [EV6A-EL, EV6AX-EL]
SM2566168
id0503n9102600
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Troubleshooting item |
Transaxle overheats |
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Description
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• Burnt smell emitted from the transaxle.
• Smoke is emitted from the transaxle.
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Possible cause
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1. Signal malfunction
2. ATF malfunction
3. Oil cooler malfunction
4. Control valve body malfunction
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System wiring diagram
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• Not applicable
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Connector diagram
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• Not applicable
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Diagnostic procedure
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Step |
Inspection |
Results |
Action |
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1
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INSPECT SIGNAL PARTS FOR MALFUNCTION
• Inspect the value at the following PCM PIDs using the M-MDS. (See PID/DATA MONITOR INSPECTION.)
• Is there any malfunction? (See PID/DATA MONITOR TABLE [PCM (SKYACTIV-G (US))].)
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Yes
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Repair or replace any malfunctioning parts according to the inspection result.
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No
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Go to the next step.
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2
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INSPECT SIGNAL PARTS FOR MALFUNCTION
• Inspect the value at the following ESU PIDs using the M-MDS. (See PID/DATA MONITOR INSPECTION.)
• Is there any malfunction? (See PID/DATA MONITOR TABLE [ELECTRICAL SUPPLY UNIT (ESU) (US)].)
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Yes
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Repair or replace any malfunctioning parts according to the inspection result.
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No
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Go to the next step.
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3
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INSPECT ATF LEVEL
• Inspect the ATF level. (See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION [EV6A-EL, EV6AX-EL].)
• Is there any malfunction?
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Yes
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Adjust the ATF level to the specification.
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No
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Go to the next step.
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4
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VISUALLY INSPECT OIL COOLER
• Visually inspect the oil cooler.
• Is there any malfunction?
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Yes
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Repair or replace any malfunctioning parts according to the inspection result.
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No
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Go to the next step.
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5
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VERIFY IF MALFUNCTION CAUSE IS CONTROL VALVE BODY
• Inspect the value at the following TCM PIDs using the M-MDS. (See PID/DATA MONITOR INSPECTION.)
• Is there any malfunction? (See PID/DATA MONITOR TABLE [TCM (EV6A-EL, EV6AX-EL) (US)].)
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Yes
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Replace the control valve body.
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No
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Symptom troubleshooting is completed.
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