Nissan Pathfinder (2008 year). Manual - part 18

AP-2

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Repair Work Flow

INFOID:0000000001726708

WORK FLOW

DETAILED FLOW

1.

 CUSTOMER INFORMATION

Talk to the customer to obtain detailed information about the symptom.

>> GO TO 2

2.

 PRELIMINARY CHECK

Perform preliminary check.  Refer to 

AP-4, "Preliminary Check"

.

>> GO TO 3

3.

 SYMPTOM

Check for symptoms.  Refer to 

AP-16, "Symptom Table"

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AWJIA0001GB

DIAGNOSIS AND REPAIR WORKFLOW

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>> GO TO 4

4.

 MALFUNCTIONING PARTS

Repair or replace the applicable parts.

>> GO TO 5

5.

 SYSTEM CHECK

Operate the pedal adjusting switch to ensure that the pedals move completely forward and backward.
Does the system operate normally?

YES

>> Inspection End.

NO

>> Refer to 

GI-51, "Intermittent Incident"

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AP-4

< BASIC INSPECTION >

INSPECTION AND ADJUSTMENT

INSPECTION AND ADJUSTMENT

Preliminary Check

INFOID:0000000001726709

1.

 FOREIGN OBJECTS

Check the following:
• objects on or behind the pedals that could cause binding

Are there any foreign objects that could be causing interference with the pedals?

YES

>> Remove objects.

NO

>> GO TO 2

2.

 WIRING CONNECTIONS

1.

Disconnect pedal adjusting control unit and pedal adjusting motor.

2.

Check terminals for damage or loose connections. 

3.

Reconnect harness connectors.

Are any connectors damaged or loose?

YES

>> Repair or replace damaged parts.

NO

>> GO TO 3

3.

 POWER AND GROUND

Check power supply and ground circuits for pedal adjusting control unit.  Refer to 

AP-9, "Pedal Adjusting

Switch Power Supply and Ground Circuit Inspection"

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Is the inspection result normal?

YES

>> Refer to 

AP-16, "Symptom Table"

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NO

>> Repair or replace as necessary.

ADJUSTABLE PEDAL SYSTEM

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FUNCTION DIAGNOSIS

ADJUSTABLE PEDAL SYSTEM

Automatic Drive Positioner Interlocking Adjustable Pedal

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Automatic drive positioner interlocking adjustable pedal. Refer to 

ADP-9, "AUTOMATIC DRIVE POSITIONER

SYSTEM : System Description"

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System Diagram

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Component Parts Location

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ALJIA0170GB

LIIA2404E

1.

A. Pedal adjusting switch M96
B. Pedal adjusting control unit M14

2.

Pedal adjusting motor E109

3.

A. A/T  device
B. A/T device (park position switch) M156

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ADJUSTABLE PEDAL SYSTEM

Component Description

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Component

Function

Pedal adjusting control unit

• Receive inputs from pedal adjusting switch and A/T device (park position switch)
• Drive pedal adjusting motor

A/T device (park position switch)

Provide park position switch signal to pedal adjusting control unit

Pedal adjusting switch

Provide move forward/backward signals to pedal adjusting control unit

Pedal adjusting motor

• Move pedal assembly forward and backward
• Provide feedback signals to pedal adjusting control unit

ADJUSTABLE PEDAL SYSTEM

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< COMPONENT DIAGNOSIS >

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COMPONENT DIAGNOSIS

ADJUSTABLE PEDAL SYSTEM

Pedal Adjusting Control Unit Ignition Power Supply Circuit

INFOID:0000000001726714

1.

 CHECK FUSE

Check for blown fuse.

Is fuse blown?

YES

>> Replace fuse after repairing applicable circuit.

NO

>> GO TO 2

2.

 CHECK PEDAL ADJUSTING CONTROL UNIT IGNITION POWER SUPPLY CIRCUIT

1.

Disconnect pedal adjusting control unit.

2.

Check voltage between pedal adjusting control unit connector
and ground.

Is inspection result normal?

YES

>> Pedal adjusting control unit ignition signal is OK.

NO

>> Repair or replace harness. 

Pedal Adjusting Control Unit Output Power Supply

INFOID:0000000001726715

1.

 CHECK PEDAL ADJUSTING CONTROL UNIT OUTPUT POWER SUPPLY

1.

Turn ignition switch OFF.

2.

With key inserted and A/T selector lever in P position, check
voltage between pedal adjusting control unit connector M14 ter-
minal 7 and ground.

Is inspection result normal?

YES

>> Pedal adjusting control unit power supply and ground is

OK.

NO

>> GO TO 2

2.

 CHECK PEDAL ADJUSTING CONTROL UNIT POWER SUPPLY CIRCUIT

1.

Disconnect pedal adjusting control unit.

2.

Check voltage between pedal adjusting control unit connector
M14 terminal 5 and ground.

Is inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

Unit

Power source

Fuse No.

Location

Pedal adjusting control unit

Ignition switch ON or START 

12

Fuse block (J/B)

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

M14

4

Ground

Ignition switch ON

Battery voltage

Ignition switch OFF

0

LIIA0885E

7 - Ground

: Battery voltage

LIIA0886E

5 - Ground

: Battery voltage

LIIA0887E

AP-8

< COMPONENT DIAGNOSIS >

ADJUSTABLE PEDAL SYSTEM

3.

 CHECK PEDAL ADJUSTING CONTROL UNIT GROUND CIRCUIT

Check continuity between pedal adjusting control unit connector
M14 terminal 1 and ground.

Is inspection result normal?

YES

>> Replace pedal adjusting control unit.

NO

>> Repair or replace harness.

A/T Device (Park Position Switch) Circuit Inspection

INFOID:0000000001726716

1.

 CHECK PEDAL ADJUSTING CONTROL UNIT INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect pedal adjusting control unit.

3.

With key inserted in ignition cylinder, check voltage between
pedal adjusting control unit connector and ground.

Is inspection result normal?

YES

>> A/T device circuit is OK.

NO

>> GO TO 2

2.

 CHECK A/T DEVICE POWER SUPPLY CIRCUIT

1.

Disconnect A/T device.

2.

Check voltage between A/T device connector M156 terminal 5
and ground.

Is inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

 CHECK A/T DEVICE HARNESS

1.

Disconnect pedal adjusting control unit.

2.

Check continuity between pedal adjusting control unit connector
M14 terminal 3 and A/T device connector M156 terminal 4.

3.

Check continuity between pedal adjusting control unit connector
M14 terminal 3 and ground.

Is inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

1 - Ground

: Continuity should exist.

LIIA0888E

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

M14

3

Ground

P position

Battery voltage

Other than P position

0

LIIA2155E

5 - Ground

: Battery voltage

LIIA2156E

3 - 4

: Continuity should exist.

3 - Ground

: Continuity should not exist.

LIIA1682E

ADJUSTABLE PEDAL SYSTEM

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4.

 CHECK A/T DEVICE

Check continuity between A/T device terminals as follows.

Is inspection result normal?

YES

>> Inspect shift lock system. Refer to 

TM-196, "Inspection

and Adjustment"

.

NO

>> Replace A/T device. Refer to 

TM-195, "Removal and

Installation"

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Pedal Adjusting Switch Power Supply and Ground Circuit Inspection

INFOID:0000000001726717

1.

 CHECK PEDAL ADJUSTING SWITCH POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect pedal adjusting switch.

3.

With key inserted and A/T selector lever in P position, check
voltage between pedal adjusting switch connector M96 terminal
1 and ground.

Is inspection result normal?

YES

>> GO TO 3

NO

>> GO TO 2

2.

 CHECK PEDAL ADJUSTING SWITCH HARNESS

1.

Disconnect pedal adjusting control unit.

2.

Check continuity between pedal adjusting control unit connector
M14 terminal 7 and pedal adjusting switch connector M96 termi-
nal 1.

3.

Check continuity between pedal adjusting control unit connector
M14 terminal 7 and ground.

Is inspection result normal?

YES

>> Check the condition of the harness and connector.

NO

>> Repair or replace harness.

3.

 CHECK PEDAL ADJUSTING SWITCH GROUND CIRCUIT

Check continuity between pedal adjusting switch connector M96 ter-
minal 4 and ground.

Is inspection result normal?

YES

>> Pedal adjusting switch power supply and ground circuit

is OK.

NO

>> Repair or replace harness.

Terminals

Condition

Continuity

2

4

P position

Yes

Other than P position

No

LIIA1681E

1 - Ground

: Battery voltage

LIIA0894E

7 - 1

: Continuity should exist.

7 - Ground

: Continuity should not exist.

LIIA0895E

4 - Ground

: Continuity should exist.

LIIA0896E