A13 - A14

A13 Test Drive Vehicle (Steering Effort)
- Ensure VAPS system is connected.
- Drive vehicle up to 55 mph and set speed control actuator switch (9C888).
- While driving vehicle, note operation of speedometer.
Do steering efforts change?
Yes
Diagnostics complete.
System is OK.
No
Go to A14.

A14 Test Drive Vehicle (Left To Right Effort)
- Repeat vehicle set-up as in A13.
- While driving vehicle, note operation of speedometer.
Is effort unbalanced left to right?
Yes
REPLACE steering gear (3504) assembly. Service and Repair
REPEAT A13.
No
Diagnostics complete.
System is OK.