Last Modified: 11-29-2007 1.6 G
Service Category: Engine/Hybrid System Section: Engine Control
Model Year: 2008 Model: Sequoia Doc ID: RM0000031E1008X
Title: 2UZ-FE ENGINE CONTROL: POWER STEERING OIL PRESSURE SWITCH: ON-VEHICLE INSPECTION (2008 Sequoia)

ON-VEHICLE INSPECTION

1. INSPECT POWER STEERING OIL PRESSURE SENSOR

(a) Check the power steering oil pressure sensor.

(1) Connect the Techstream to the DLC3.

(2) Turn the ignition switch to ON.

(3) Turn the Techstream main switch on.

(4) Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Power Steering Pressure.

(5) Start the engine.

(6) Operate the steering wheel while idling, and read the value on the Techstream.

Standard:

Condition

Specified Condition

Power steering not operating

0 to 2 MPa

Power steering operating

Values change from above value

If not as specified, check for DTCs 2UZ-FE ENGINE CONTROL: SFI SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) . If the power steering system inspection results are normal and a DTC is not output, replace the power steering oil pressure sensor.

Inspect the power steering system POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: ON-VEHICLE INSPECTION (2008 Sequoia) . If the power steering system inspection results are normal and a DTC is not output, replace the power steering oil pressure sensor.