Power Steering Pressure Switch: Testing and Inspection

POWER STEERING PRESSURE (PSP) SWITCH INSPECTION[L3 WITH TC]

NOTE; Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart.

Continuity Inspection
1. Inspect the following if the power steering is inoperative (SeeO6-14-4 POWER STEERING FLUID INSPECTION.):
- Power steering fluid level
- Power steering fluid leakage
- Power steering fluid pressure

2. Disconnect the PSP switch connector.
3. Start the engine.

Specification:

4. Inspect for continuity between the PSP switch terminal and ground using a tester.
- If not as specified, replace the PSP switch.
- If the PSP switch is normal, but PID value is out of specification, perform the "Circuit Open/Short Inspection".







Circuit Open/Short Inspection
1. Disconnect the PCM connector.
2. Inspect the following harnesses for an open or short circuit. (Continuity check)

Open circuit
- If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
- PSP switch terminal and PCM terminal 2T

Short circuit
- If there is no continuity, there is a short circuit. Repair or replace the wiring harness.
- PSP switch terminal and body ground