Inspection Procedure

Check power steering oil pressure sensor.
PREPARATION:
1. Connect the hand held tester or the OBD II scan tool to the DLC3.
2. Start the engine.
3. Push the hand held tester or the OBD II scan tool main switch ON.
4. Enter the following menu: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / PS SIGNAL.
CHECK:

Read signal displayed on the hand held tester or the OBD II scan tool.

RESULT:

Fig 1: Power Steering Oil Pressure Sensor Specifications Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: Check for intermittent problems (See PRE-CHECK ).
2. NG: Go to next step.
Check for open in harness and connector between engine ECU and power steering oil pressure sensor (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).
1. NG: Repair or replace harness or connector.
2. OK: Go to next step.
  Replace power steering oil pressure sensor (See POWER STEERING VANE PUMP ).