Nissan Frontier D40. Manual - part 930

RF-4

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

1.

 GET INFORMATION FOR SYMPTOM

Get the detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurred).

>> GO TO 2

2.

 CONFIRM THE SYMPTOM

Confirm the symptom described by the customer.
Verify relation between the symptom and the condition when the symptom is detected.

>> GO TO 3

3.

 PERFORM BASIC INSPECTION

Perform 

RF-11, "SUNROOF MOTOR ASSEMBLY : Special Repair Requirement"

.

Inspection End>>GO TO 4

4.

 DETECT MALFUNCTIONING SYSTEM BY SYMPTOM DIAGNOSIS

Detect malfunctioning system according to symptom diagnosis based on the confirmed symptom in step 4,
and determine the trouble diagnosis order based on possible causes and symptom.

>> GO TO 5

5.

 DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE

Inspect according to Diagnostic Procedure of the system.
NOTE:
The Diagnostic Procedure described based on open circuit inspection. A short circuit inspection is also
required for the circuit check in the Diagnostic Procedure.

Is malfunctioning part detected?

YES

>> GO TO 6

NO

>> Check voltage of related BCM terminals using CONSULT-III.

6.

 REPAIR OR REPLACE THE MALFUNCTIONING PART

1.

Repair or replace the malfunctioning part.

2.

Reconnect parts or connectors disconnected during Diagnostic Procedure.

>> GO TO 7

7.

 FINAL CHECK

When symptom was described from the customer, refer to confirmed symptom in step 3 or 4, and check that
the symptom is not detected.

Does the symptom reappear?

YES 

>> GO TO 5

NO

>> Inspection End.

INSPECTION AND ADJUSTMENT

RF-5

< BASIC INSPECTION >

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INSPECTION AND ADJUSTMENT

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description

INFOID:0000000005272919

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 battery has been disconnected or discharged.
• When the sunroof motor has been disconnected from power.
• 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

INFOID:0000000005272920

INITIALIZATION PROCEDURE

If the sunroof does not close or open automatically, use the following procedure to return sunroof operation to
normal.
1.

Turn ignition switch ON.

2.

Push and hold the sunroof tilt switch in the forward (DOWN) position until the sunroof is fully closed.

3.

After the sunroof has closed all the way, push and hold the tilt switch forward (DOWN) again for more than
2 seconds to re-learn motor position.

4.

Initialization is complete if the sunroof operates normally. 

RF-6

< 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

• The sunroof motor assembly operates with a power supply that is output from the BCM while the ignition

switch is ON or retained power is operating.

• The tilt up/down & slide open/close signals from the sunroof switch enable the sunroof motor to move arbi-

trarily.

AUTO OPERATION

The 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 the sunroof system to operate
up to 45 seconds after the ignition switch is turned OFF.

Retained power function cancel conditions

• When a front door is opened (door switch ON)
• When ignition switch is turned ON again.
• When 45 seconds elapse on the timer.

ALKIA0861GB

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)

BCM

RAP signal

SUNROOF SYSTEM

RF-7

< FUNCTION DIAGNOSIS >

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Component Parts Location

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Component Description

INFOID:0000000005272924

ALKIA1175ZZ

1.

Sunroof switch R4

2.

BCM  M18, M19, M20
(View with lower instrument panel LH removed)

3.

Sunroof motor assembly B83 

4.

Front door switch LH B8, RH B108

Component

Function

BCM

Supplies power to the sunroof motor assembly.

Sunroof switch

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

Sunroof motor assembly

The sunroof motor and integrated CPU enables tilt up/down & slide open/close as requested by 
the sunroof switch.

Front door switch

Detects door open/close condition and transmits to BCM.