Neon L4-2.0L SOHC (1995)
Power Steering Pressure Switch: Description and Operation
Power Steering Switch Failure
NAME OF CODE:
Power Steering Switch Failure
WHEN MONITORED:
With the ignition key ON and engine running.
SET CONDITION:
With the vehicle above 40 mph for more than 30 seconds, the power steering pressure switch remains closed.
THEORY OF OPERATION:
The PCM monitors the power steering pressure switch for a high pressure condition. The power steering pressure switch signals the PCM
whenever there is a power steering load (pressure exceeding 500 psi). During this condition, the PCM will adjust the rpm to prevent a possible
stall. the power steering pressure switch is a normally open switch.
POSSIBLE CAUSES:
-
PCM failure
-
Connector terminals or wires