Laser FWD L4-1997cc 2.0L DOHC Turbo (1993)
Power Steering Pressure Switch: Component Tests and General Diagnostics
Component Test
Power Steering Oil Pressure Switch
Testing The Oil Pressure Switch
1. Disconnect the power steering oil pressure switch connector.
2. Start the engine.
3. With the steering wheel in a straight ahead position, check for continuity between the pressure switch terminal and body ground. There should
NOT be continuity.
4. With the steering wheel in a turned position, check for continuity between the pressure switch terminal and body ground. There should be
continuity.
5. If the tests results are other than specified, connect an oil pressure gauge to verify oil pump delivery pressure is within specifications.
Power Steering Pump Pressure Check
1. Disconnect the pressure hose from the oil pump.
