Nissan Pathfinder (2008 year). Manual — part 5
U1000 CAN COMM CIRCUIT
ADP-27
< COMPONENT DIAGNOSIS >
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COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000001710979
.
DTC Logic
INFOID:0000000001710980
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON and wait at least 3 seconds.
>> GO TO 2
2.
STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001710981
LAN-14, "Trouble Diagnosis Flow Chart"
Special Repair Requirement
INFOID:0000000001710982
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)
ADP-28
< COMPONENT DIAGNOSIS >
B2112 SLIDING MOTOR
B2112 SLIDING MOTOR
Description
INFOID:0000000001710983
• The seat sliding motor is installed to the seat cushion frame.
• 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:0000000001710984
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON.
>> GO TO 2
2.
STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> INSPECTION END
NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to
Diagnosis Procedure
INFOID:0000000001710985
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check “Self diagnostic result” with CONSULT-III.
3.
Erase the DTC.
4.
Perform DTC confirmation procedure. Refer to
.
Is the DTC displayed again?
YES
>> GO TO 2
NO
>> Check intermittent incident. Refer to
GI-51, "Intermittent Incident"
.
2.
CHECK COMPONENTS
ADP-65, "Component Function Check"
ADP-79, "Component Function Check"
.
>> INSPECTION END
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
B2113 RECLINING MOTOR
ADP-29
< COMPONENT DIAGNOSIS >
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B2113 RECLINING MOTOR
Description
INFOID:0000000001710986
• The seat reclining motor is installed to the seatback frame.
• The seat reclining motor is activated with the driver seat control unit.
• Tilts the seatback frontward/rearward by changing the rotation direction of reclining motor.
DTC Logic
INFOID:0000000001710987
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON.
>> GO TO 2
2.
STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> INSPECTION END
NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to
Diagnosis Procedure
INFOID:0000000001710988
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check “Self diagnostic result” with CONSULT-III.
3.
Erase the DTC.
4.
Perform DTC confirmation procedure. Refer to
.
Is the DTC displayed again?
YES
>> GO TO 2
NO
>> Check intermittent incident. Refer to
GI-51, "Intermittent Incident"
.
2.
CHECK COMPONENTS
ADP-67, "Component Function Check"
ADP-81, "Component Function Check"
.
>> INSPECTION END
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2113
SEAT RECLINING
The driver seat control unit detects the output of re-
clining motor output terminal for 0.1 second or more
even if the reclining switch is not input.
• Driver seat control unit
ADP-30
< COMPONENT DIAGNOSIS >
B2114 SEAT LIFTER FR
B2114 SEAT LIFTER FR
Description
INFOID:0000000001710989
• The lifting motor (front) is installed to the seat cushion frame.
• The lifting motor (front) is activated with the driver seat control unit.
• Tilts the seat front up/down by changing the rotation direction of lifting motor (front).
DTC Logic
INFOID:0000000001710990
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON.
>> GO TO 2
2.
STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> INSPECTION END
NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to
Diagnosis Procedure
INFOID:0000000001710991
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check “Self diagnostic result” with CONSULT-III.
3.
Erase the DTC.
4.
Perform DTC confirmation procedure. Refer to
.
Is the DTC displayed again?
YES
>> GO TO 2
NO
>> Check intermittent incident. Refer to
GI-51, "Intermittent Incident"
.
2.
CHECK COMPONENTS
ADP-69, "Component Function Check"
ADP-83, "Component Function Check"
.
>> INSPECTION END
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2114
SEAT LIFTER FR
The driver seat control unit detects the output of lift-
ing motor (front) output terminal for 0.1 second or
more even if the lifting switch is not input.
• Driver seat control unit
B2115 SEAT LIFTER RR
ADP-31
< COMPONENT DIAGNOSIS >
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B2115 SEAT LIFTER RR
Description
INFOID:0000000001710992
• The lifting motor (rear) is installed to the seat cushion frame.
• The lifting motor (rear) is activated with the driver seat control unit.
• Tilts the seat rear up/down by changing the rotation direction of lifting motor (rear).
DTC Logic
INFOID:0000000001710993
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON.
>> GO TO 2
2.
STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> INSPECTION END
NOTE:
First perform diagnosis for B2126 if B2126 is detected. Refer to
Diagnosis Procedure
INFOID:0000000001710994
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check “Self diagnostic result” with CONSULT-III.
3.
Erase the DTC.
4.
Perform DTC confirmation procedure. Refer to
.
Is the DTC displayed again?
YES
>> GO TO 2
NO
>> Check intermittent incident. Refer to
GI-51, "Intermittent Incident"
.
2.
CHECK COMPONENTS
ADP-71, "Component Function Check"
ADP-85, "Component Function Check"
.
>> INSPECTION END
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2115
SEAT LIFTER RR
The driver seat control unit detects the output of lift-
ing motor (rear) output terminal for 0.1 second or
more even if the lifting switch is not input.
• Driver seat control unit
ADP-32
< COMPONENT DIAGNOSIS >
B2117 ADJ PEDAL MOTOR
B2117 ADJ PEDAL MOTOR
Description
INFOID:0000000001710995
• The pedal adjusting sensor is installed to pedal assembly.
• The resistance of pedal adjusting sensor is changed according to the forward/backward position of pedal
assembly.
• The terminal voltage of automatic drive positioner control unit will be changed according to a change of
pedal adjusting sensor resistance. Automatic drive positioner control unit calculates the pedal position from
the voltage.
DTC Logic
INFOID:0000000001710996
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON.
>> GO TO 2
2.
STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001710997
1.
CHECK PEDAL ADJUSTING MECHANISM
Check the following.
• Operation malfunction caused by pedal adjusting mechanism deformation or pinched harness or other for-
eign materials
• Operation malfunction and interference with other parts by poor installation
Is the inspection result normal
YES
>> GO TO 2
NO
>> Repair or replace the malfunctioning part and check again.
2.
CHECK FUNCTION
1.
Turn ignition switch ON.
2.
Check “ADJ PEDAL MOTOR” in "Active test" mode with CONSULT-III.
Is the inspection result normal?
YES
>> Pedal adjusting motor circuit is OK.
NO
>> GO TO 3
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2117
ADJ PEDAL SENSOR
When any manual or automatic operations are not
performed, if motor operation is detected for 0.1
second or more, status is judged "Output error".
• Harness and connectors
(pedal adjusting sensor circuit is
opened/shorted, pedal adjusting
sensor power supply circuit is
opened/shorted.)
• Pedal adjusting sensor
Test item
Description
ADJ PEDAL MOTOR
The pedal adjusting motor is activated by receiving the drive signal.
B2117 ADJ PEDAL MOTOR
ADP-33
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3.
CHECK PEDAL ADJUSTING MOTOR CIRCUIT HARNESS CONTINUITY
1.
Turn ignition switch OFF.
2.
Disconnect automatic drive positioner control unit and pedal
adjusting motor.
3.
Check continuity between automatic drive positioner control unit
connector M34 terminals 37, 45 and pedal adjusting motor con-
nector E109 terminals 1, 2.
4.
Check continuity between automatic drive positioner control unit
connector M34 terminals 37, 45 and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK AUTOMATIC DRIVE POSITIONER CONTROL UNIT OUTPUT SIGNAL
1.
Connect the automatic drive positioner control unit and pedal
adjusting motor.
2.
Check voltage between automatic drive positioner control unit
connector and ground.
Is the inspection result normal?
YES
>> Replace pedal adjusting motor.
NO
>> GO TO 5
5.
CHECK INTERMITTENT INCIDENT
GI-51, "Intermittent Incident"
.
Is the inspection result normal?
YES
>> Replace automatic drive positioner control unit.
NO
>> Repair or replace the malfunctioning part.
37 - 1
: Continuity should exist.
45 - 2
: Continuity should exist.
37 - Ground
: Continuity should not exist.
45 - Ground
: Continuity should not exist.
LIIA1755E
Connec-
tor
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
M34
37
Ground
Pedal adjusting switch ON
(FORWARD operation)
Battery voltage
Other than above
0
45
Pedal adjusting switch ON
(BACKWARD operation)
Battery voltage
Other than above
0
PIIA4806E
ADP-34
< COMPONENT DIAGNOSIS >
B2120 ADJ PEDAL SENSOR
B2120 ADJ PEDAL SENSOR
Description
INFOID:0000000001710998
• The pedal adjusting sensor is installed in the pedal assembly.
• The resistance of pedal adjusting sensor is changed according to the forward/backward position of pedal
assembly.
• The terminal voltage of automatic drive positioner control unit will be changed according to a change of
pedal adjusting sensor resistance. Automatic drive positioner control unit calculates the pedal assembly
position from the voltage.
DTC Logic
INFOID:0000000001710999
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
STEP 1
Turn ignition switch ON.
>> GO TO 2
2.
STEP 2
Check “Self diagnostic result” with CONSULT-III.
Is the DTC is detected?
YES
>> Perform diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001711000
1.
CHECK PEDAL ADJUSTING SENSOR SIGNAL
1.
Turn ignition switch ON.
2.
Select “PEDAL SEN” in “Data monitor” mode with CONSULT-III.
3.
Check the pedal adjusting sensor signal under the following condition.
Is the value normal?
YES
>> Pedal adjusting circuit is OK.
NO
>> GO TO 2
2.
CHECK PEDAL ADJUSTING SENSOR CIRCUIT HARNESS CONTINUITY
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2120
ADJ PEDAL SENSOR
The input voltage of pedal adjusting sensor is 0.5V
or less or 4.5V or higher, for 0.5 seconds or more.
• Harness and connectors
(Pedal adjusting sensor circuit is
opened/shorted, pedal adjusting
sensor power supply circuit is
opened/shorted.)
• Pedal adjusting sensor
Monitor item
Condition
Value
PEDAL SEN
Pedal position
Forward
0.5V
Backward
4.5V
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