Power Steering Pressure Switch: Service and Repair

REMOVAL
1. Remove the negative battery cable.
2. Disconnect the electrical connector.
3. Remove the Power Steering Pressure Switch (PSPS).

INSTALLATION
1. Install the PSPS.
2. Connect the electrical connector.
3. Connect the negative battery cable.
4. Replace all lost fluid.

NOTE: The Electronic Control Module (ECM) will need to relearn the Idle Air Control (IAC) valve pintle position following battery reconnection. This procedure allows the ECM memory to be updated and provides for a stable idle speed.

Idle Learn Procedure
1. Install the Tech 1 "SCAN" tool.
2. Ignition "ON" engine "OFF".
3. Select the "IAC SYSTEM", then "IDLE LEARN" in the "MISC. TEST" mode.
4. Proceed with the idle learn as directed by the Tech 1 "SCAN" tool.