Programming and Relearning

SUNROOF

System Description

OUTLINE
Electric sunroof system consists of
- Sunroof switch
- Sunroof motor assembly
- BCM (Body Control Module)

BCM supplies power to the sunroof motor. Sunroof operation depends on sunroof switch condition.

OPERATION
Sunroof can be opened or closed and tilted up or down with sunroof switch.

AUTO OPERATION
The power sunroof AUTO feature makes it possible to open and close the sunroof without holding the sunroof switch in the down or up position.

RETAINED POWER OPERATION
When the ignition switch is turned to OFF" position from "ON" or "START" position, power is supplied for 45 seconds
- to sunroof motor assembly terminal 9
- from BCM terminal 53.

When power is supplied, the sunroof can be operated.

The retained power operation is canceled when the driver or passenger side door is opened. RAP signal period can be changed by CONSULT-II. Refer to "CONSULT-II Function".

INITIALIZATION PROCEDURE
If the battery is disconnected the sunroof motor harness connector is disconnected the sunroof motor memory must be reset with following procedure.
1. Press the TILT UP switch to tilt up the sunroof.
2. The TILT UP switch is released once keeps pressing until lid begins to move again in TILT UP switch.
3. After lid operates in the direction of tilt up and stops they are the automatic operation and all close. (keeps pressing switch for this period)
4. The TILT UP switch is released once TILT UP switch is pressed for 4 seconds or more within 10 seconds.
5. Lid automatically operates "slide up" -> "slide close" -> "tilt up" -> "tilt down".(keeps pressing switch while operating)
6. TILT UP switch is released 0.5 seconds later after stops.
7. Whether sunroof operates normally is confirmed.

INTERRUPTION DETECTION FUNCTION
The CPU of sunroof motor monitors the sunroof motor operation and the sunroof position (fully-closed or other) by the signals from sunroof motor.

When sunroof motor detects an interruption during the following sliding close operation, sunroof switch controls the motor for open and the sunroof will operate until full open position.
- automatic close operation when ignition switch is in the ON" position
- automatic close operation during retained power operation

CAN Communication System Description
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a vehicle and each control unit shares information and links with other control units during operation (not independent).
Information Bus