| Last Modified: 11-29-2007 | 1.6 D | |
| Service Category: Steering | Section: Steering Column | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM000000XZF012X |
| Title: STEERING COLUMN: POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM: SYSTEM DESCRIPTION (2008 Sequoia) | ||
SYSTEM DESCRIPTION
1. FUNCTION OF MAIN COMPONENTS
|
Component |
Function |
|---|---|
|
Multiplex tilt and telescopic ECU |
This ECU sends control signals to the power tilt motor and power telescopic motor, based on signals from each switch, to adjust steering position. |
|
Power tilt motor (with tilt position sensor) |
This motor is activated by signals from the multiplex tilt and telescopic ECU and adjusts tilt position. Tilt position sensor in motor detects tilt position by counting number of pulses as motor rotates. |
|
Power telescopic motor (with telescopic position sensor) |
This motor is activated by signals from the multiplex tilt and telescopic ECU and adjusts telescopic position. The telescopic position sensor in motor detects telescopic position by counting the number of pulses as the motor rotates. |
2. MANUAL OPERATION
(a) The tilt and telescopic positions can be adjusted as desired by operating the tilt and telescopic manual switch.
3. AUTO AWAY/RETURN FUNCTION
(a) When the ignition switch is turned off, the steering column moves away from the driver, and also tilts up for easy ingress and egress.
(b) When the ignition switch is turned ON, the steering column returns to the previously set position.
(c) The auto away/return function can be prohibited by using the Techstream.
4. DRIVING POSITION MEMORY FUNCTION
(a) The steering column moves to the previously set position by pressing the seat memory switches.
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