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Home › Ford › 1992 › Probe GL, Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls - System/Component Tests - EEC-IV › Engine Sensors & Switches (ECA Inputs) › Power Steering Pressure Switch (PSPS)

Power Steering Pressure Switch (PSPS)

  1. Faulty PSPS or circuit should set a service code. See QUICK TEST in TESTS W/CODES - EEC-IV article in the ENGINE PERFORMANCE section. If service code has not been set, ensure PSPS connector is attached at steering gear box. Connect test leads to switch terminals. Start engine, and allow it to idle.
  2. With steering wheel centered, resistance should be 30 ohms or less. Turn steering wheel one-half turn and then return it to centered position. Resistance should change from 30 ohms or less to infinity, and then return to less than 30 ohms (when steering wheel is returned to centered position). See QUICK TEST in TESTS W/CODES - EEC-IV article in the ENGINE PERFORMANCE section.
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