Nissan Pathfinder (2011 year). Instruction — part 484
LAN
STRG BRANCH LINE CIRCUIT
LAN-85
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
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STRG BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006247806
1.
CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the steering angle sensor for damage, bend and loose connection
(unit side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of steering angle sensor.
2. Check the resistance between the steering angle sensor harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the steering angle sensor branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the steering angle sensor. Refer to the following.
• VQ40DE:
BRC-88, "Wiring Diagram - With VQ40DE"
• VK56DE:
BRC-207, "Wiring Diagram - With VK56DE"
Is the inspection result normal?
YES (Present error)>>Replace the steering angle sensor. Refer to
BRC-233, "Removal and Installation"
.
YES (Past error)>>Error was detected in the steering angle sensor branch line.
NO
>> Repair the power supply and the ground circuit.
Steering angle sensor harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
M47
4
5
Approx. 54 – 66
2011 Pathfinder
LAN-86
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
ABS BRANCH LINE CIRCUIT
ABS BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006247807
1.
CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the ABS actuator and electric unit (control unit) for damage, bend
and loose connection (unit side and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of ABS actuator and electric unit (control unit).
2. Check the resistance between the ABS actuator and electric unit (control unit) harness connector termi-
nals.
-
VQ engine models
-
VK engine models
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the ABS actuator and electric unit (control unit) branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ABS actuator and electric unit (control unit). Refer to the
following.
• VQ40DE:
• VK56DE:
BRC-150, "Diagnosis Procedure"
Is the inspection result normal?
YES (Present error)>>Replace the ABS actuator and electric unit (control unit). Refer to
.
YES (Past error)>>Error was detected in the ABS actuator and electric unit (control unit) branch line.
NO
>> Repair the power supply and the ground circuit.
ABS actuator and electric unit (control unit) harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
E125
12
13
Approx. 54 – 66
ABS actuator and electric unit (control unit) harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
E127
11
15
Approx. 54 – 66
2011 Pathfinder
LAN
IPDM-E BRANCH LINE CIRCUIT
LAN-87
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
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IPDM-E BRANCH LINE CIRCUIT
Diagnosis Procedure
INFOID:0000000006247808
1.
CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the IPDM E/R for damage, bend and loose connection (unit side
and connector side).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of IPDM E/R.
2. Check the resistance between the IPDM E/R harness connector terminals.
Is the measurement value within the specification?
YES
>> GO TO 3.
NO
>> Repair the IPDM E/R branch line.
3.
CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the IPDM E/R. Refer to
.
Is the inspection result normal?
YES (Present error)>>Replace the IPDM E/R. Refer to
PCS-29, "Removal and Installation of IPDM E/R"
YES (Past error)>>Error was detected in the IPDM E/R branch line.
NO
>> Repair the power supply and the ground circuit.
IPDM E/R harness connector
Resistance (
Ω
)
Connector No.
Terminal No.
E122
39
40
Approx. 108 – 132
2011 Pathfinder
LAN-88
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
CAN COMMUNICATION CIRCUIT
CAN COMMUNICATION CIRCUIT
Diagnosis Procedure
INFOID:0000000006247809
1.
CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect all the unit connectors on CAN communication system.
4. Check terminals and connectors for damage, bend and loose connection.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair the terminal and connector.
2.
CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
Check the continuity between the data link connector terminals.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Check the harness and repair the root cause.
3.
CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
Check the continuity between the data link connector and the ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Check the harness and repair the root cause.
4.
CHECK ECM AND IPDM E/R TERMINATION CIRCUIT
1. Remove the ECM and the IPDM E/R.
2. Check the resistance between the ECM terminals.
3. Check the resistance between the IPDM E/R terminals.
Is the measurement value within the specification?
YES
>> GO TO 5.
NO
>> Replace the ECM and/or the IPDM E/R.
5.
CHECK SYMPTOM
Connect all the connectors. Check if the symptoms described in the “Symptom (Results from interview with
customer)” are reproduced.
Data link connector
Continuity
Connector No.
Terminal No.
M22
6
14
Not existed
Data link connector
Ground
Continuity
Connector No.
Terminal No.
M22
6
Not existed
14
Not existed
ECM
Resistance (
Ω
)
Terminal No.
94
86
Approx. 108 – 132
IPDM E/R
Resistance (
Ω
)
Terminal No.
39
40
Approx. 108 – 132
LKIA0037E
2011 Pathfinder
LAN
CAN COMMUNICATION CIRCUIT
LAN-89
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
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Inspection result
Reproduced>>GO TO 6.
Non-reproduced>>Start the diagnosis again. Follow the trouble diagnosis procedure when past error is
detected.
6.
CHECK UNIT REPRODUCTION
Perform the reproduction test as per the following procedure for each unit.
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect one of the unit connectors of CAN communication system.
NOTE:
ECM and IPDM E/R have a termination circuit. Check other units first.
4. Connect the battery cable to the negative terminal. Check if the symptoms described in the “Symptom
(Results from interview with customer)” are reproduced.
NOTE:
Although unit-related error symptoms occur, do not confuse them with other symptoms.
Inspection result
Reproduced>>Connect the connector. Check other units as per the above procedure.
Non-reproduced>>Replace the unit whose connector was disconnected.
2011 Pathfinder
MA-1
MAINTENANCE
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SECTION
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CONTENTS
MAINTENANCE
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . .....
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tool . . . . . . . . . . . .....
Commercial Service Tool . . . . . . . . . . ..
PERIODIC MAINTENANCE . . . . . . ..
GENERAL MAINTENANCE . . . . . . . .
FOR USA AND CANADA . . . . . . . . . . ....
FOR USA AND CANADA : General Maintenance . ..
FOR MEXICO . . . . . . . . . . . . . . . ..
FOR MEXICO : General Maintenance . . . . . ..
PERIODIC MAINTENANCE . . . . . . . ...
FOR USA AND CANADA . . . . . . . . . . ..
FOR USA AND CANADA : Introduction to Periodic
Maintenance . . . . . . . . . . . . . . .
FOR USA AND CANADA : Periodic Maintenance
Schedule 1 . . . . . . . . . . . . . . . ..
FOR USA AND CANADA : Periodic Maintenance
Schedule 2 . . . . . . . . . . . . . . . ..
FOR MEXICO . . . . . . . . . . . . . . .
FOR MEXICO : Periodic Maintenance Schedule .
RECOMMENDED FLUIDS AND LUBRI-
CANTS . . . . . . . . . . . . . . . .
FOR USA AND CANADA . . . . . . . . . . ..
FOR USA AND CANADA : Fluids and Lubricants .
FOR USA AND CANADA : SAE Viscosity Number
FOR USA AND CANADA : Anti-Freeze Coolant
Mixture Ratio . . . . . . . . . . . . . . ...
FOR MEXICO . . . . . . . . . . . . . . . .
FOR MEXICO : Fluids and Lubricants . . . . . .
FOR MEXICO : SAE Viscosity Number . . . . ...
FOR MEXICO : Engine Coolant Mixture Ratio . .
ENGINE MAINTENANCE (VQ40DE) . . . .
DRIVE BELTS . . . . . . . . . . . . . . .
DRIVE BELTS : Exploded View . . . . . . . ..
DRIVE BELTS : Checking Drive Belts . . . . . .
ENGINE COOLANT . . . . . . . . . . . . ...
ENGINE COOLANT : System Inspection . . . .
ENGINE COOLANT : Changing Engine Coolant .
FUEL LINES . . . . . . . . . . . . . . . ...
FUEL LINES : Checking Fuel Line . . . . . . ..
FUEL FILTER . . . . . . . . . . . . . . . .
FUEL FILTER : Changing Fuel Filter . . . . . ...
AIR CLEANER FILTER . . . . . . . . . . . .
AIR CLEANER FILTER : Exploded View . . . .
AIR CLEANER FILTER : Removal and Installation
ENGINE OIL . . . . . . . . . . . . . . . ...
ENGINE OIL : Inspection . . . . . . . . . . .
ENGINE OIL : Changing Engine Oil . . . . . .
OIL FILTER . . . . . . . . . . . . . . . .
OIL FILTER : Removal and Installation . . . . ...
SPARK PLUG . . . . . . . . . . . . . . .
SPARK PLUG : Exploded View . . . . . . . ...
SPARK PLUG : Removal and Installation . . . ...
EVAP VAPOR LINES . . . . . . . . . . . .
2011 Pathfinder
MA-2
EVAP VAPOR LINES : Checking EVAP Vapor
Line . . . . . . . . . . . . . . . . . . .
ENGINE MAINTENANCE (VK56DE) . . . . .
DRIVE BELTS . . . . . . . . . . . . . . ...
DRIVE BELTS : Exploded View . . . . . . . .
DRIVE BELTS : Checking Drive Belts . . . . ....
ENGINE COOLANT . . . . . . . . . . . . ..
ENGINE COOLANT : System Inspection . . . ...
ENGINE COOLANT : Changing Engine Coolant ...
FUEL LINES . . . . . . . . . . . . . . . ..
FUEL LINES : Checking Fuel Line . . . . . . .
FUEL FILTER . . . . . . . . . . . . . . ....
FUEL FILTER : Changing Fuel Filter . . . . . ..
AIR CLEANER FILTER . . . . . . . . . . . .
AIR CLEANER FILTER : Exploded View . . . ...
AIR CLEANER FILTER : Removal and Installation
...
ENGINE OIL . . . . . . . . . . . . . . . ..
ENGINE OIL : Inspection . . . . . . . . . ....
ENGINE OIL : Changing Engine Oil . . . . . ...
OIL FILTER . . . . . . . . . . . . . . . ...
OIL FILTER : Removal and Installation . . . . ..
SPARK PLUG . . . . . . . . . . . . . . ...
SPARK PLUG : Exploded View . . . . . . . ..
SPARK PLUG : Removal and Installation . . . ..
EVAP VAPOR LINES . . . . . . . . . . . ....
EVAP VAPOR LINES : Checking EVAP Vapor
Line . . . . . . . . . . . . . . . . . . .
CHASSIS AND BODY MAINTENANCE . . .
IN-CABIN MICROFILTER . . . . . . . . . . .
IN-CABIN MICROFILTER : Removal and Installa-
tion . . . . . . . . . . . . . . . . . . ..
EXHAUST SYSTEM . . . . . . . . . . . . ..
EXHAUST SYSTEM : Checking the Exhaust Sys-
tem . . . . . . . . . . . . . . . . . . ..
A/T FLUID . . . . . . . . . . . . . . . . .
A/T FLUID : Checking the A/T Fluid (ATF) . . . .
A/T FLUID : Changing the A/T Fluid (ATF) . . . .
TRANSFER FLUID . . . . . . . . . . . . ....
TRANSFER FLUID : ATX14B . . . . . . . ....
TRANSFER FLUID : Inspection . . . . . . . .
TRANSFER FLUID : Replacement . . . . . . .
TRANSFER FLUID : TX15B . . . . . . . . ...
TRANSFER FLUID : Inspection . . . . . . . .
TRANSFER FLUID : Replacement . . . . . . .
PROPELLER SHAFT . . . . . . . . . . . ....
PROPELLER SHAFT : Checking Propeller Shaft ...
DIFFERENTIAL GEAR OIL . . . . . . . . . ...
DIFFERENTIAL GEAR OIL : Front Final Drive
R180A . . . . . . . . . . . . . . . . . .
DIFFERENTIAL GEAR OIL : Checking Differential
Gear Oil . . . . . . . . . . . . . . . . ...
DIFFERENTIAL GEAR OIL : Changing Differen-
tial Gear Oil . . . . . . . . . . . . . . . .
DIFFERENTIAL GEAR OIL : Front Final Drive
M205 . . . . . . . . . . . . . . . . . ...
DIFFERENTIAL GEAR OIL : Checking Differential
Gear Oil . . . . . . . . . . . . . . . . ...
DIFFERENTIAL GEAR OIL : Changing Differen-
tial Gear Oil . . . . . . . . . . . . . . . .
DIFFERENTIAL GEAR OIL : Rear Final Drive
R200 . . . . . . . . . . . . . . . . . ...
DIFFERENTIAL GEAR OIL : Checking Differential
Gear Oil . . . . . . . . . . . . . . . . ...
DIFFERENTIAL GEAR OIL : Changing Differen-
tial Gear Oil . . . . . . . . . . . . . . . .
DIFFERENTIAL GEAR OIL : Rear Final Drive
R230 . . . . . . . . . . . . . . . . . ...
DIFFERENTIAL GEAR OIL : Checking Differential
Gear Oil . . . . . . . . . . . . . . . . ...
DIFFERENTIAL GEAR OIL : Changing Differen-
tial Gear Oil . . . . . . . . . . . . . . . .
WHEELS . . . . . . . . . . . . . . . . .
WHEELS : Adjustment . . . . . . . . . . .
BRAKE FLUID LEVEL AND LEAKS . . . . . .
BRAKE FLUID LEVEL AND LEAKS : Checking
Brake Fluid Level and Leaks . . . . . . . . ...
BRAKE FLUID LEVEL AND LEAKS : Drain and
Refill . . . . . . . . . . . . . . . . . .
BRAKE LINES AND CABLES . . . . . . . . ..
BRAKE LINES AND CABLES : Checking Brake
Line and Cables . . . . . . . . . . . . . ..
DISC BRAKE . . . . . . . . . . . . . . . .
DISC BRAKE : Checking Disc Brake . . . . . ..
STEERING GEAR AND LINKAGE . . . . . . ...
STEERING GEAR AND LINKAGE : Checking
Steering Gear and Linkage . . . . . . . . . .
POWER STEERING FLUID AND LINES . . . . ..
POWER STEERING FLUID AND LINES : Check-
ing Fluid Level . . . . . . . . . . . . . . .
POWER STEERING FLUID AND LINES : Check-
ing Fluid Leakage . . . . . . . . . . . . .
AXLE AND SUSPENSION PARTS . . . . . . ...
AXLE AND SUSPENSION PARTS : Checking
Axle and Suspension Parts . . . . . . . . . .
LOCKS, HINGES AND HOOD LATCH . . . . . .
LOCKS, HINGES AND HOOD LATCH : Lubricat-
ing Locks, Hinges and Hood Latches . . . . . .
SEAT BELT, BUCKLES, RETRACTORS, AN-
CHORS AND ADJUSTERS . . . . . . . . . ..
2011 Pathfinder
MA-3
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2011 Pathfinder
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