Nissan Altima L32. Manual - part 1166

RF-6

< BASIC INSPECTION >

INSPECTION AND ADJUSTMENT

INSPECTION AND ADJUSTMENT

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description

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MEMORY RESET PROCEDURE

1. Please observe the following instructions at confirming the sunroof operation.

NOTE:

Do not disconnect the electronic power while the sunroof is operating or within 5 seconds after the sunroof

stops. (to wipe-out the memory of lid position and operating friction.)

2. Initialization of system should be conducted after the following conditions.

• When the sunroof motor is changed.

• When the sunroof does not operate normally. (Incomplete initialization conditions)

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement

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INITIALIZATION PROCEDURE

If the sunroof does not open or close automatically, use the following procedure to return sunroof operation to

normal.

NOTE:

If the sunroof switch is released at any time during step 4, the procedure must be started over again.  Leave

the ignition switch ON for at least 2 seconds after this procedure.

1. Push the ignition switch to the ON position.

2. Hold the sunroof switch in the tilt up position.  Release the switch when the sunroof has reached the full tilt

up position.

3. Hold the sunroof switch in the tilt up position again.  After a delay, the sunroof will backup.  Release the

switch.

4. Within 5 seconds of releasing the switch in step 3, hold the sunroof switch in the tilt up position again.  The

sunroof will move from the full tilt up position, to the open position and back to the close position.  Release

the switch only when the sunroof has reached the full closed position.

ANTI-PINCH FUNCTION

1. Full open the sunroof.

2. Place a piece of wood near fully closed position.

3. Close the sunroof completely with auto-slide close.

Check that sunroof lowers for approximately 150mm (5.91 in) or 2 seconds with out pinching a piece of wood

and stops.

CAUTION:

• Do not check with hands and other part of body because they may be pinched. Do not get pinched.

• Depending on environment and driving conditions, if a similar impact or load is applied to the sun-

roof it may lower.

• Check that auto-slide operates before inspection when system initialization is performed.

• Perform initial setting when auto-slide operation or anti-pinch function does not operate normally.

BASIC INSPECTION
BASIC INSPECTION : Special Repair Requirement

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BASIC INSPECTION

1.

INSPECTION START

1. Check the service history.

2. Check the following parts.

• Fuse/circuit breaker blown.

• Poor connection, open or short circuit of harness connector.

INSPECTION AND ADJUSTMENT

RF-7

< BASIC INSPECTION >

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• Battery voltage.
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace the malfunctioning parts.

RF-8

< FUNCTION DIAGNOSIS >

SUNROOF SYSTEM

FUNCTION DIAGNOSIS

SUNROOF SYSTEM

System Diagram

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SUNROOF

System Description

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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 arbi-

trarily.

• 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 with-

out 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 dur-

ing 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)

AWKIA1405GB

Item

Input signal to sunroof motor assembly 

Sunroof motor function

Actuator

Sunroof switch

Sunroof switch signal (tilt down or slide 
open)

Sunroof control

Sunroof motor

Sunroof switch signal (tilt up or slide 
close)

Combination meter

Vehicle speed signal

BCM

RAP signal

SUNROOF SYSTEM

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ANTI-PINCH FUNCTION

The CPU of sunroof motor assembly 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 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

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Component Description

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ALKIA1321GB

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

Function

BCM

Supplies the power supply to sunroof motor assembly.

Sunroof switch

Transmits tilt up/down & slides open/close operation signal to sunroof motor assembly.

Sunroof motor assembly

It is sunroof motor and CPU integrated type that enables tilt up/down & slide open/close by sun-
roof switch operation