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Nissan Pathfinder (2012 year). Manual - part 5

AUTOMATIC DRIVE POSITIONER SYSTEM

ADP-25

< SYSTEM DESCRIPTION >

ADP

DETAIL FLOW

ENTRY ASSIST FUNCTION : Component Parts Location

INFOID:0000000008807316

Item

Request status

Seat

The vehicle is not moved after performing the

exit assist function.

Switch inputs
• Power seat switch
• Pedal adjusting switch
• Door mirror control switch
• Set switch
• Memory switch

OFF

(Not operated)

A/T selector lever

P position

Order

Input

Output

Control unit condition

Door switch/Ignition
switch

—

Driver seat control unit receives the signals of ignition switch signal
and front door switch from BCM via CAN communication.

—

Motor (sliding)

Driver seat control unit operates the sliding motor when the operating
conditions are satisfied.

Sensor (sliding)

—

Sensor monitors the operating positions of seat and then stops the
operation of motor when seat reaches the recorded address.

ALJIA0735ZZ

August 2012

2012 Pathfinder

ADP-26

< SYSTEM DESCRIPTION >

AUTOMATIC DRIVE POSITIONER SYSTEM

ENTRY ASSIST FUNCTION : Component Description

INFOID:0000000007356102

CONTROL UNITS

INPUT PARTS

Switches

Sensors

OUTPUT PARTS

A. BCM M18, M19, M20
B. Pedal adjusting motor E109, E110
(view with lower instrument panel LH
removed)

A. Door mirror LH D18, RH D118
B. Front door switch LH B8

Seat memory switch D5

A. Pedal adjusting switch M96
B. Door mirror remote control switch
M163

A. A/T selector lever
B. A/T shift selector (park position
switch (Intelligent Key system))
M158

A. Sliding motor LH B204, reclining
motor LH B232, lifting motor (front)
B206, lifting motor (rear) B207
B. Driver seat control unit B202,
B203
C. Power seat switch LH B208
(front seat LH view)

A. Automatic drive positioner control
unit M33, M34
B. Circuit breaker-2 M82 (view with
instrument panel removed)

Item

Function

Driver seat control unit

According to the ignition signal and front door switch LH signal from BCM,
• Operates the seat sliding motor for a constant amount.

BCM

Recognizes the following status and transmits it to the driver seat control unit via
CAN communication.
• Front door LH: OPEN/CLOSE
• Ignition switch position: ACC/ON

Item

Function

Front door switch LH

Detect front door LH open/close status.

Item

Function

Sliding sensor

Detect the front/rear position of seat.

Item

Function

Sliding motor

Slide the seat forward/backward.

August 2012

2012 Pathfinder

DIAGNOSIS SYSTEM (DRIVER SEAT C/U)

ADP-27

< SYSTEM DESCRIPTION >

ADP

DIAGNOSIS SYSTEM (DRIVER SEAT C/U)

Diagnosis Description

INFOID:0000000007356103

The auto drive positioner system can be checked and diagnosed for component operation with CONSULT.

DIAGNOSTIC MODE

CONSULT Function

INFOID:0000000007356104

SELF-DIAGNOSIS RESULTS

Refer to

ADP-113, "DTC Index"

DATA MONITOR

Diagnostic mode

[AUTO DRIVE POS.]

Description

WORK SUPPORT

Changes the setting of each function.

SELF-DIAG RESULTS

Performs self-diagnosis for the auto drive positioner system and displays the results.

DATA MONITOR

Displays input signals transmitted from various switches and sensors to driver seat con-
trol unit in real time.

CAN DIAG SUPPORT MNTR

The result of transmit/receive diagnosis of CAN communication can be read.

ACTIVE TEST

Drive each output device.

ECU PART NUMBER

Displays part numbers of driver seat control unit parts.

Monitor Item

Unit

Main

Signals

Selection

From

Contents

SET SW

“ON/OFF”

ON/OFF status judged from the setting switch signal.

MEMORY SW 1

“ON/OFF”

ON/OFF status judged from the seat memory switch 1 sig-
nal.

MEMORY SW 2

“ON/OFF”

ON/OFF status judged from the seat memory switch 2 sig-
nal.

SLIDE SW–FR

“ON/OFF”

ON/OFF status judged from the sliding switch (forward) sig-
nal.

SLIDE SW–RR

“ON/OFF”

ON/OFF status judged from the sliding switch (backward)
signal.

RECLN SW–FR

“ON/OFF”

ON/OFF status judged from the reclining switch (forward)
signal.

RECLN SW–RR

“ON/OFF”

ON/OFF status judged from the reclining switch (backward)
signal.

LIFT FR SW–UP

“ON/OFF”

ON/OFF status judged from the lifting switch front (up) sig-
nal.

LIFT FR SW–DN

“ON/OFF”

ON/OFF status judged from the lifting switch front (down)
signal.

LIFT RR SW–UP

“ON/OFF”

ON/OFF status judged from the lifting switch rear (up) sig-
nal.

LIFT RR SW–DN

“ON/OFF”

ON/OFF status judged from the lifting switch rear (down)
signal.

MIR CON SW–UP

“ON/OFF”

ON/OFF status judged from the mirror switch (up) signal.

MIR CON SW–DN

“ON/OFF”

ON/OFF status judged from the mirror switch (down) signal.

MIR CON SW–RH

“ON/OFF”

ON/OFF status judged from the door mirror remote control
switch (passenger side) signal.

MIR CON SW–LH

“ON/OFF”

ON/OFF status judged from the door mirror remote control
switch (driver side) signal.

August 2012

2012 Pathfinder

ADP-28

< SYSTEM DESCRIPTION >

DIAGNOSIS SYSTEM (DRIVER SEAT C/U)

ACTIVE TEST

CAUTION:

When driving vehicle, do not perform active test.

WORK SUPPORT

MIR CHNG SW–R

“ON/OFF”

ON/OFF status judged from the door mirror remote control
switch (switching to right) signal.

MIR CHNG SW–L

“ON/OFF”

ON/OFF status judged from the door mirror remote control
switch (switching to left) signal.

PEDAL SW-FR

“ON/OFF”

ON/OFF status judged from the pedal adjusting switch (for-
ward) signal.

PEDAL SW-RR

“ON/OFF”

ON/OFF status judged from the pedal adjusting switch
(backward) signal.

P POSI SW

“ON/OFF”

The selector lever position “ON (P position) / OFF (other
than P position)” judged from the park position switch sig-
nal.

STARTER SW

“ON/OFF”

Ignition key switch ON (START, ON) /OFF (ACC, OFF) sta-
tus judged from the ignition switch signal.

SLIDE PULSE

—

–

Value (32768) when battery connections are standard. If it
moves backward, the value increases. If it moves forward,
the value decreases.

RECLN PULSE

—

–

Value (32768) when battery connections are standard. If it
moves backward, the value increases. If it moves forward,
the value decreases.

LIFT FR PULSE

—

–

Value (32768) when battery connections are standard. If it
moves DOWN, the value increases. If it moves UP, the val-
ue decreases.

LIFT RR PULSE

—

–

Value (32768) when battery connections are standard. If it
moves DOWN, the value increases. If it moves UP, the val-
ue decreases.

MIR/SEN RH U–D

“V”

–

Voltage input from door mirror sensor (passenger side) up/
down is displayed.

MIR/SEN RH R–L

“V”

–

Voltage input from door mirror sensor (passenger side) left/
right is displayed.

MIR/SEN LH U–D

“V”

–

Voltage input from door mirror sensor (driver side) up/down
is displayed.

MIR/SEN LH R–L

“V”

–

Voltage input from door mirror sensor (driver side) left/right
is displayed.

PEDAL SEN

“V”

–

Pedal position (voltage) judged from the pedal adjusting
sensor signal is displayed.

Monitor Item

Unit

Main

Signals

Selection

From

Contents

Test item

Description

SEAT SLIDE

Activates/deactivates the sliding motor.

SEAT RECLINING

Activates/deactivates the reclining motor.

SEAT LIFTER FR

Activates/deactivates the lifting motor (front).

SEAT LIFTER RR

Activates/deactivates the lifting motor (rear).

PEDAL MOTOR

Activates/deactivates the pedal adjusting motor.

MIRROR MOTOR RH

Activates/deactivates the mirror motor (passenger side).

MIRROR MOTOR LH

Activates/deactivates the mirror motor (driver side).

MEMORY SW INDCTR

Turns ON/OFF the memory indicator.

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DIAGNOSIS SYSTEM (DRIVER SEAT C/U)

ADP-29

< SYSTEM DESCRIPTION >

ADP

Work item

Content

Item

SEAT SLIDE VOLUME SET

The amount of seat sliding for entry/exit assist can be selected
from 3 items.

40 mm

80 mm

150 mm

EXIT SEAT SLIDE SETTING

Entry/exit assist (seat) can be selected:
ON (operated) – OFF (not operated)

OFF

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ADP-30

< DTC/CIRCUIT DIAGNOSIS >

U1000 CAN COMM CIRCUIT

DTC/CIRCUIT DIAGNOSIS

U1000 CAN COMM CIRCUIT

Description

INFOID:0000000007356105

Refer to

LAN-53, "CAN Communication Signal Chart"

DTC Logic

INFOID:0000000007356106

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

STEP 1

Turn ignition switch ON and wait at least 3 seconds.

>> GO TO 2

STEP 2

Check “Self diagnostic result” with CONSULT.
Is the DTC detected?

YES

>> Perform diagnosis procedure. Refer to

ADP-30, "Diagnosis Procedure"

>> Inspection End.

Diagnosis Procedure

INFOID:0000000007356107

Refer to

LAN-14, "Trouble Diagnosis Flow Chart"

Special Repair Requirement

INFOID:0000000007356108

Refer to Owner’s Manual.

DTC

Trouble diagnosis

name

DTC detecting condition

Possible cause

U1000

CAN COMM CIR-
CUIT

• Driver seat control unit cannot communicate to other

control units.

• Driver seat control unit cannot communicate for more

than the specified time.

• Harness or connectors

(CAN communication line is
open or shorted)

August 2012

2012 Pathfinder

B2112 SLIDING MOTOR

ADP-31

< DTC/CIRCUIT DIAGNOSIS >

ADP

B2112 SLIDING MOTOR

Description

INFOID:0000000007356109

• The seat sliding motor is installed to the seat frame assembly.

• The seat sliding motor is installed with the driver seat control unit.

• Slides the seat frontward/rearward by changing the rotation direction of sliding motor.

DTC Logic

INFOID:0000000007356110

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

STEP 1

Turn ignition switch ON.

>> GO TO 2

STEP 2

Check “Self diagnostic result” with CONSULT.
Is the DTC detected?

YES

>> Perform diagnosis procedure. Refer to

ADP-31, "Diagnosis Procedure"

>> Inspection End.

NOTE:

First perform diagnosis for B2126 if B2126 is detected. Refer to

ADP-43, "Diagnosis Procedure"

Diagnosis Procedure

INFOID:0000000007356111

Regarding Wiring Diagram information, refer to

ADP-128, "Wiring Diagram"

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Check “Self diagnostic result” with CONSULT.

3. Erase the DTC.

4. Perform DTC confirmation procedure. Refer to

ADP-31, "DTC Logic"

Is the DTC displayed again?

YES

>> GO TO 2.

>> Check intermittent incident. Refer to

GI-37, "Intermittent Incident"

CHECK SLIDING MOTOR CIRCUIT (POWER SHORT)

1. Turn ignition switch OFF.

2. Disconnect sliding motor and driver seat control unit connector.

3. Check voltage between sliding motor harness connector and ground.

DTC No.

Trouble diagnosis

name

DTC detecting condition

Possible cause

B2112

SEAT SLIDE

The driver seat control unit detects the output of slid-
ing motor output terminal for 0.1 second or more
even if the sliding switch is not input.

• Driver seat control unit

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ADP-32

< DTC/CIRCUIT DIAGNOSIS >

B2112 SLIDING MOTOR

Is the inspection result normal?

YES

>> GO TO 3.

>> Repair circuit for short to voltage.

CHECK DRIVER SEAT CONTROL UNIT OUTPUT SIGNAL

1. Connect driver seat control unit connector.

2. Check voltage between driver seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

>> Replace driver seat control unit. Refer to

ADP-149, "Removal and Installation"

CHECK INTERMITTENT INCIDENT

Refer to

GI-37, "Intermittent Incident"

>> Inspection End.

(+)

(–)

Voltage (V)

(Approx.)

Sliding motor

Connector

Terminals

B204

Ground

(+)

(–)

Voltage (V)

(Approx.)

Driver seat control unit

Connector

Terminals

B203

Ground

August 2012

2012 Pathfinder

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