id060300800600
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2
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Excessive noise from electric power steering oil pump
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TROUBLESHOOTING HINTS
• Power steering fluid level is low
• Air in EHPAS fluid line
• Electric power steering oil pump is poor installation
• Mount rubber (on bracket) is deterioration
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Diagnostic procedure
| STEP |
INSPECTION |
ACTION |
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|---|---|---|---|
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1
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INSPECT POWER STEERING FLUID LEVEL
• Inspect the power steering fluid level when engine is cold.
• Is the power steering fluid level between MAX and MIN of the reserve tank?
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Yes
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Go to the next step.
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No
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Perform the Fluid Leakage Inspection and add the fluid.
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2
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INSPECT AIR IN EHPAS FLUID LINE
• Perform the air bleed. (See
AIR BLEEDING [MZR-CD 2.2].)
• Is the symptom solved?
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Yes
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Symptom troubleshooting completed.
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No
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Go to the next step.
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3
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INSPECT ELECTRIC POWER STEERING OIL PUMP INSTALLATION
• Inspect the electric power steering oil pump installation condition.
• Is the electric power steering oil pump installed properly?
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Yes
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Inspect the mount rubber condition.
If the mount rubber is deterioration, replace the bracket.
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No
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Install the electric power steering oil pump properly.
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