Power steering pumps can start to
leak due to age and wear&tear. Replacing hoses might fix the
problem. Also, check the condition of power steering belt, as slipping
belts cause erratic steering problems.
The power steering computer has it's own error code system which will emit
gentle beeps (versus louder the redline, LOW COOLANT, LOW OIL
buzzer) when it encounters a problem with the power steering system.
1-beep, pause, repeat - in case abnormality of speed sensor signal:
In case broken wires or short circuits occur to sensors or harnesses,
the buzzer sounds 60-seconds after the engine speed signal of 2200 rpm
continues for 18-seconds.
2-beeps, pause, repeat - in case abnormality of engine speed signal:
The buzzer sounds when the vehicle speed signal is input and no engine
speed signal is input (short circuit, broken wire, etc.)
3-beeps, pause, repeat - in case abnormality of stepping motor signal:
The buzzer sounds when there are broken wires or short circuits in coils
4-beeps, pause, repeat - in case abnormality of the power steering
The buzzer sounds when there are circuit troubles other than with the micro
5-beeps, pause, repeat - in case abnormality of steering sensor signal:
The buzzer sounds 60-seconds after broken wire or short circuit occurs to
sensors or harnesses when the vehicle speed is above 40Km/h (25 mph).
Continuous beep - in case abnormality of the power steering microcomputer:
The buzzer sounds if the microcomputer becomes abnormal and cannot control the
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