NO.1 POOR POWER STEERING ASSIST

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NO.1 POOR POWER STEERING ASSIST

B3E060301038W05

1 | POOR POWER STEERING ASSIST
TROUBLESHOOTING HINTS • Power steering fluid leakage from EHPAS fluid line • Steering gear and linkage malfunction • EHPAS control module malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | RETRIEVE DTC FROM EHPAS CONTROL MODULE • Are any DTCs present? | Yes | Record all DTC and go to the applicable DTC inspection.
No | Go to the next step.
2 | INSPECT STEERING WHEEL ASSIST FUNCTION • Disconnect the EHPAS control module connector (2-pin). • Is the power steering assist function changed? | Yes | Go to the next step.
No | Visually inspect the steering gear and linkage. Replace it if the malfunction is found.
3 | INSPECT IF THERE IS ANY FLUID LEAK FROM THE EHPAS FLUID LINE • Is there fluid leakage? | Yes | Replace it if necessary.
No | Replace the EHPAS control module. (See ELECTRIC POWER STEERING OIL PUMP (LF) REMOVAL/INSTALLATION.)