Power Steering Pressure Switch: Testing and Inspection

POWER STEERING PRESSURE (PSP) SWITCH INSPECTION [LF]

NOTE:
- Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart. Description and Operation

Continuity Inspection

1. Inspect the following items:

- Power steering fluid amount Initial Inspection and Diagnostic Overview
- Power steering-related inspection Locations

2. Disconnect the PSP switch connector.

3. Start the engine.

4. Verify that the continuity between PSP switch terminal A and body ground is as indicated in the table.

- If not as indicated in the table, replace the CPP switch. Overhaul
- If the monitor item condition/specification (reference) is not within the specification, even though there is no malfunction, perform the "Circuit Open/Short Inspection".






Circuit Open/Short Inspection

1. Disconnect the PCM connector. Service and Repair

2. Inspect the following wiring harness for open or short circuit (continuity Inspection).






Open circuit

- If there is no continuity, there is an open circuit. Repair or replace the wiring harness.

- PSP switch terminal A and PCM terminal 2T

Short circuit

- If there is continuity, there is a short circuit. Repair or replace the wiring harness.

- PSP switch terminal A and body ground