LOW MAXIMUM SPEED AND POOR ACCELERATION [EV6A-EL, EV6AX-EL]
LOW MAXIMUM SPEED AND POOR ACCELERATION [EV6A-EL, EV6AX-EL]
SM2566154
id0503n9100900
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Troubleshooting item |
Low maximum speed and poor acceleration |
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Description
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• Vehicle acceleration is poor at start.
• Delayed acceleration when accelerator pedal is depressed while driving.
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Possible cause
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• Engine control system malfunction
• Signal 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 ENGINE CONTROL SYSTEM FOR MALFUNCTION
• Perform the symptom troubleshooting “LACK/LOSS OF POWER-ACCELERATION/CRUISE”. (See LACK/LOSS OF POWER-ACCELERATION/CRUISE [SKYACTIV-G (US)].)
• 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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2
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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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Explain to the customer that the vehicle is not malfunctioning and they should keep an eye on it.
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