Power Steering Pressure Switch: Testing and Inspection
Inspection of ContinuityNOTE: Perform the following test only when directed.
1. Inspect as follows if power steering is inoperative:
- POWER STEERING FLUID INSPECTION
2. Disconnect the PSP switch connector.
3. Start the engine.
4. Inspect for continuity between PSP switch terminal and ground using an ohmmeter.
- If not as specified, replace the PSP switch.
- If PSP switch is okay but PID value is out of specification, perform the "Circuit Open/Short Inspection."
5. Reconnect the PSP switch connector.
Circuit Open/Short Inspection
Open circuit
- If there is no continuity, the circuit is open. Repair or replace the harness.
- Power circuit (PSP switch connector terminal and PCM connector terminal 1G through common connector.)
- Ground circuit (PSP switch ground circuit.)
Short circuit
- If there is continuity, the circuit is shorted. Repair or replace the harness.
- PSP switch connector terminal and PCM connector terminal 1G through common connector to ground.