Nissan Pathfinder (2012 year). Manual — part 194
4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT CHANGE
DLN-117
< SYMPTOM DIAGNOSIS >
[TRANSFER: ATX14B]
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4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT
CHANGE
Description
INFOID:0000000007357445
4WD shift indicator lamp or 4LO indicator lamp do not change when switching the 4WD shift switch.
Diagnosis Procedure
INFOID:0000000007357446
1.
CONFIRM THE SYMPTOM
Confirm 4WD shift indicator lamp and 4LO indicator lamp turn on when ignition switch is turned to ON.
Do 4WD shift indicator lamp and 4LO indicator lamp turn on?
YES
>> GO TO 2.
NO
>> Refer to
DLN-111, "Diagnosis Procedure"
2.
CHECK SYSTEM FOR 4WD SHIFT SWITCH
Perform trouble diagnosis for 4WD shift switch system. Refer to
Are the inspection results normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK SYSTEM FOR WAIT DETECTION SWITCH
Perform trouble diagnosis for wait detection switch system. Refer to
Are the inspection results normal?
YES
>> GO TO 4.
NO
>> Repair or replace damaged parts.
4.
CHECK SYSTEM FOR NEUTRAL-4LO SWITCH
Perform trouble diagnosis for neutral-4LO switch system. Refer to
Are the inspection results normal?
YES
>> GO TO 5.
NO
>> Repair or replace damaged parts.
5.
CHECK SYSTEM FOR ATP SWITCH
Perform trouble diagnosis for ATP switch system. Refer to
DLN-126, "Diagnosis Procedure"
Are the inspection results normal?
YES
>> GO TO 6.
NO
>> Repair or replace damaged parts.
6.
CHECK SYSTEM FOR 2-4WD SOLENOID
Perform trouble diagnosis for 2-4WD solenoid system. Refer to
Are the inspection results normal?
YES
>> GO TO 7.
NO
>> Repair or replace damaged parts.
7.
CHECK SYSTEM FOR TRANSFER CONTROL DEVICE
Perform trouble diagnosis for transfer control device system. Refer to
.
Are the inspection results normal?
YES
>> GO TO 8.
NO
>> Repair or replace damaged parts.
8.
CHECK SYSTEM FOR ACTUATOR MOTOR
Perform trouble diagnosis for actuator motor system. Refer to
.
Are the inspection results normal?
YES
>> GO TO 9.
NO
>> Repair or replace damaged parts.
August 2012
2012 Pathfinder
DLN-118
< SYMPTOM DIAGNOSIS >
[TRANSFER: ATX14B]
4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT CHANGE
9.
CHECK SYSTEM FOR ACTUATOR POSITION SWITCH
Perform trouble diagnosis for actuator position switch system. Refer to
.
Are the inspection results normal?
YES
>> GO TO 10.
NO
>> Repair or replace damaged parts.
10.
SYMPTOM CHECK
Check again.
Are the inspection results normal?
YES
>> Inspection End.
NO
>> GO TO 11.
11.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
Are the inspection results normal?
YES
>> GO TO 12.
NO
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
12.
CHECK TRANSFER INNER PARTS
1. Disassemble transfer assembly. Refer to
DLN-156, "Disassembly and Assembly"
2. Check transfer inner parts.
Are the inspection results normal?
YES
>> Inspection End.
NO
>> Repair or replace damaged parts.
August 2012
2012 Pathfinder
ATP WARNING LAMP DOES NOT TURN ON
DLN-119
< SYMPTOM DIAGNOSIS >
[TRANSFER: ATX14B]
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ATP WARNING LAMP DOES NOT TURN ON
Description
INFOID:0000000007357447
ATP warning lamp does not turn ON when the transfer case is switched in or out of 4LO with the A/T selector
lever in N position.
Diagnosis Procedure
INFOID:0000000007357448
Regarding Wiring Diagram information, refer to
1.
CHECK SYSTEM FOR CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to
DLN-23, "CONSULT Function (ALL MODE AWD/4WD)"
Do the self-diagnostic results indicate CAN communication?
YES
>> Perform trouble diagnosis for CAN communication line.
NO
>> GO TO 2.
2.
CHECK SYSTEM FOR 4WD SHIFT SWITCH
Perform trouble diagnosis for 4WD shift switch system. Refer to
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
CHECK SYSTEM FOR TRANSMISSION RANGE SWITCH SIGNAL
Perform trouble diagnosis for transmission range switch signal system. Refer to
.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace damaged parts.
4.
CHECK SYSTEM FOR ATP SWITCH
Perform trouble diagnosis for ATP switch system. Refer to
DLN-126, "Diagnosis Procedure"
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
5.
CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND COMBINATION METER
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect transfer control unit harness connector and combination meter harness connector.
3. Check continuity between the following terminals.
-
Transfer control unit harness connector M152 terminal 15 and
combination meter harness connector M24 terminal 21.
Continuity should exist.
SDIA2768E
August 2012
2012 Pathfinder
DLN-120
< SYMPTOM DIAGNOSIS >
[TRANSFER: ATX14B]
ATP WARNING LAMP DOES NOT TURN ON
-
Transfer control unit harness connector M153 terminal 40 and
combination meter harness connector M24 terminal 1.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 6.
NG
>> Repair or replace damaged parts.
6.
CHECK ATP WARNING LAMP CIRCUIT
1. A/T selector lever "P" position.
2. Connect combination meter harness connector and transfer control unit harness connector.
3. Disconnect ATP switch harness connector.
4. Ground the following terminal using suitable wiring.
5. Turn ignition switch “ON”. (Do not start engine.)
-
ATP switch harness connector F55 terminal 8 and ground.
Does indicator lamp turn on?
OK
>> GO TO 7.
NG
>> Replace combination meter. Refer to
.
7.
SYMPTOM CHECK
Check again.
OK or NG
OK
>> Inspection End.
NG
>> GO TO 8.
8.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
.
OK or NG
OK
>> GO TO 9.
NG
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
9.
CHECK TRANSFER INNER PARTS
1. Disassemble transfer assembly. Refer to
DLN-156, "Disassembly and Assembly"
2. Check transfer inner parts.
OK or NG
OK
>> Inspection End.
NG
>> Repair or replace damaged parts.
40 TO 1: Continuity should
not exist.
1 to 40: Continuity should
exist.
SDIA2770E
SDIA2769E
August 2012
2012 Pathfinder
4WD SHIFT INDICATOR LAMP KEEPS FLASHING
DLN-121
< SYMPTOM DIAGNOSIS >
[TRANSFER: ATX14B]
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4WD SHIFT INDICATOR LAMP KEEPS FLASHING
Description
INFOID:0000000007357449
The 4WD shift indicator lamp keeps flashing.
Diagnosis Procedure
INFOID:0000000007357450
1.
CONFIRM THE SYMPTOM
1. Set 4WD shift switch to 2WD.
2. Move vehicle forward and backward, or drive straight increasing or decreasing under 20 km/h (12 MPH).
Dose 4WD shift indicator lamp keep flashing?
YES
>> GO TO 2.
NO
>> Inspection End.
2.
CHECK SYSTEM FOR WAIT DETECTION SWITCH
Perform trouble diagnosis for wait detection switch system. Refer to
Are the inspection results normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK SYSTEM FOR NEUTRAL-4LO SWITCH
Perform trouble diagnosis for neutral-4LO switch system. Refer to
Are the inspection results normal?
YES
>> GO TO 4.
NO
>> Repair or replace damaged parts.
4.
SYMPTOM CHECK
Check again.
Are the inspection results normal?
YES
>> Inspection End.
NO
>> GO TO 5.
5.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
Are the inspection results normal?
YES
>> GO TO 6.
NO
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
6.
CHECK TRANSFER INNER PARTS
1. Disassemble transfer assembly. Refer to
DLN-156, "Disassembly and Assembly"
2. Check transfer inner parts.
Are the inspection results normal?
YES
>> Inspection End.
NO
>> Repair or replace damaged parts.
August 2012
2012 Pathfinder
DLN-122
< SYMPTOM DIAGNOSIS >
[TRANSFER: ATX14B]
4WD WARNING LAMP FLASHES RAPIDLY
4WD WARNING LAMP FLASHES RAPIDLY
Description
INFOID:0000000007357451
The 4WD warning lamp flashes quickly while driving (2 times / second). The lamp continues to flash until the
ignition switch is turned OFF.
Diagnosis Procedure
INFOID:0000000007357452
1.
CHECK TIRE
Check the following.
• Tire pressure
• Wear condition
• Longitudinal tire size (There is no difference between longitudinal tires.)
Are the inspection results normal?
YES
>> GO TO 2.
NO
>> Repair or replace damaged parts.
2.
CHECK 4WD WARNING LAMP
Stop the vehicle and allow it to idle for a short period of time.
Does flashing stop?
YES
>> Inspection End.
NO
>> GO TO 3.
3.
CHECK TRANSFER FLUID TEMPERATURE
Perform trouble diagnosis for transfer fluid temperature system. Refer to
.
Are the inspection results normal?
YES
>> GO TO 4.
NO
>> Repair or replace damaged parts.
4.
SYMPTOM CHECK
Check again.
Are the inspection results normal?
YES
>> Inspection End.
NO
>> GO TO 5.
5.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
Are the inspection results normal?
YES
>> Inspection End.
NO
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
August 2012
2012 Pathfinder
4WD WARNING LAMP FLASHES SLOWLY
DLN-123
< SYMPTOM DIAGNOSIS >
[TRANSFER: ATX14B]
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4WD WARNING LAMP FLASHES SLOWLY
Description
INFOID:0000000007357453
The 4WD warning lamp flashes slowly while driving (1 time / 2 seconds). The lamp continues to flash until the
ignition switch is turned OFF.
Diagnosis Procedure
INFOID:0000000007357454
1.
CHECK TIRE
Check the following.
• Tire pressure
• Wear condition
• Longitudinal tire size (There is no difference between longitudinal tires.)
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace damaged parts.
2.
CHECK TRANSFER FLUID TEMPERATURE
Perform trouble diagnosis for transfer fluid temperature system. Refer to
.
Are the inspection results normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK CLUTCH PRESSURE SWITCH
Perform trouble diagnosis for clutch pressure switch system. Refer to
.
Are the inspection results normal?
YES
>> GO TO 4.
NO
>> Repair or replace damaged parts.
4.
SYMPTOM CHECK
Check again.
Are the inspection results normal?
YES
>> Inspection End.
NO
>> GO TO 5.
5.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
Are the inspection results normal?
YES
>> Inspection End.
NO
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
August 2012
2012 Pathfinder
DLN-124
< SYMPTOM DIAGNOSIS >
[TRANSFER: ATX14B]
HEAVY TIGHT-CORNER BRAKING SYMPTOM OCCURS
HEAVY TIGHT-CORNER BRAKING SYMPTOM OCCURS
Description
INFOID:0000000007357455
This symptom occurs when the vehicle is accelerating in 4WD and the steering wheel is turned fully either
direction. It may feel like a bump or being pushed from behind. A small amount of this bumping feeling is
acceptable under certain road conditions. The transfer case may be adjusted using the CONSULT to compen-
sate for this condition.
Diagnosis Procedure
INFOID:0000000007357456
DIAGNOSTIC PROCEDURE
NOTE:
• Light tight-corner braking symptom may occur depending on driving conditions in AUTO mode. This is not a
malfunction.
• Heavy tight-corner braking symptom occurs when vehicle is driven in the following conditions: 4WD shift
switch is 4H or 4LO, steering wheel is turned fully to either side.
1.
CHECK SYSTEM FOR CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to
DLN-23, "CONSULT Function (ALL MODE AWD/4WD)"
Is CAN COMM CIRCUIT [U1000] displayed?
YES
>> Perform trouble diagnosis for CAN communication line.
NO
>> GO TO 2.
2.
CHECK SYSTEM FOR 4WD SHIFT SWITCH
Perform trouble diagnosis for 4WD shift switch system. Refer to
Are the inspection results normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK ACCELERATOR PEDAL POSITION SIGNAL CIRCUIT
Perform self diagnosis for ECM. Refer to
.
Is any malfunction detected by self-diagnosis?
YES
>> Check the malfunctioning system.
NO
>> GO TO 4.
4.
CHECK SYSTEM FOR CLUTCH PRESSURE SOLENOID
Perform trouble diagnosis for clutch pressure solenoid system. Refer to
.
Are the inspection results normal?
YES
>> GO TO 5.
NO
>> Repair or replace damaged parts.
5.
SYMPTOM CHECK
Check again.
Are the inspection results normal?
YES
>> Inspection End.
NO
>> GO TO 6.
6.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
Are the inspection results normal?
YES
>> GO TO 7.
NO
>> Check transfer control unit pin terminals for damage or loose connection with harness connector.
If any items are damaged, repair or replace damaged parts.
7.
CHECK TRANSFER INNER PARTS
1. Disassemble transfer assembly. Refer to
DLN-156, "Disassembly and Assembly"
2. Check transfer inner parts.
August 2012
2012 Pathfinder
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