Nissan Altima 2007-2012 Service Manual: Sunroof system

System Diagram

SUNROOF

System Description

SUNROOF SYSTEM

INPUT/OUTPUT SIGNAL CHART

SUNROOF OPERATION

• Sunroof motor assembly operates with the power supply that is output from BCM while ignition switch is ON or retained power is operating.

• Tilt up/ down & slide open/ close signals from sunroof switch enables operate sunroof motor to move arbitrarily.

• Sunroof motor assembly receives a vehicle speed signal from combination meter and controls the sunroof motor torque of tilt-down at the time of high speed operation.

AUTO OPERATION

Sunroof AUTO feature makes it possible to slide open and slide close or tilt up and tilt down the sunroof without holding the sunroof switch in the slide open/tilt down or slide close/tilt up position.

RETAINED POWER OPERATION

• Retained power operation is an additional power supply function that enables sunroof system to operate during the 45 seconds even when ignition switch is turned OFF.

Retained power function cancel conditions

• Front door CLOSE (door switch OFF)→OPEN (door switch ON).

• When ignition switch is ON again.

• When timer time passes. (45 seconds)

ANTI-PINCH FUNCTION

The CPU of sunroof motor assembly monitors the sunroof motor operation and the sunroof position (fullyclosed or other) by the signals from sunroof motor.

When sunroof motor detects an interruption during the following slide close and tilt down operation, sunroof switch controls the motor for open and the sunroof will operate until full up position (when tilt down operate) or 150 mm (5.91 in) or more in an open direction (when slide close operate): • close operation and tilt down when ignition switch is in the “ON” position

Component Parts Location

1. BCM M16, M17, M18 (View with instrument panel removed)

2. Sunroof switch R6

3. Sunroof motor assembly R5

4. Front door switch LH B8, RH B108

5. Combination meter M24

Component Description

    Other materials:

    Inspection and adjustment
    ECM RE-COMMUNICATING FUNCTION Description Performing following procedure can automatically perform re-communication of ECM and BCM, but only when the ECM has been replaced with a new one (*1). *1: New one means an ECM which has never been energized on-board. (In this step, initialization ...

    Ducts, nozzles and grilles
    Components 1. Upper ventilator duct 2. Heater and cooling unit assembly 3. Connector duct (LH 4. Floor ventilator duct (LH) 5. Connector duct (center) 6. Rear floor duct (LH) 7. Rear ventilator duct (center) 8. Rear floor duct (RH) 9. Floor ventilator duct (RH) 10. Connector duct (RH) 1 ...

    Cleaning
    If your windshield is not clear after using the windshield washer or if a wiper blade chatters when running, wax or other material may be on the blade or windshield. Clean the outside of the windshield with a washer fluid or a mild detergent. Your windshield is clean if beads do not form whe ...