PSDiag
INSPECTIONBefore performing diagnosis, check the following items which might be affecting the power steering problem.
BATTERY
Measure the battery voltage and check electrolyte.
Standard voltage: 12 V or higher (must not drop below 10 V during operation under electrical load)
Specific gravity: 1.260 or more
TIRES
Check the tire specifications, tire wear and air pressure.