NO.1 POOR POWER STEERING ASSIST
id060300800200
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1
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POOR POWER STEERING ASSIST
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TROUBLESHOOTING HINTS
• Power steering fluid leakage from EHPAS fluid line
• Steering gear and linkage malfunction
• EHPAS control module malfunction
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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RETRIEVE DTC FROM EHPAS CONTROL MODULE
• Are any DTCs present?
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Yes
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Record all DTC and go to the applicable DTC inspection.
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No
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Go to the next step.
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2
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INSPECT STEERING WHEEL ASSIST FUNCTION
• Disconnect the EHPAS control module connector (2-pin).
• Is the power steering assist function changed?
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Yes
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Go to the next step.
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No
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Visually inspect the steering gear and linkage. Replace it if the malfunction is found.
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3
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INSPECT IF THERE IS ANY FLUID LEAK FROM THE EHPAS FLUID LINE
• Is there fluid leakage?
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Yes
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Repair or replace the malfunctioning part according to the inspection result.
If there is oil leakage from the pump, replace the power steering oil pump.
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No
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Replace the electric power steering oil pump component.
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