Nissan Pathfinder (2012 year). Manual — part 211
PART TIME 4WD SYSTEM
DLN-253
< WIRING DIAGRAM >
[TRANSFER: TX15B]
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AADIA0300GB
August 2012
2012 Pathfinder
DLN-254
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
4WD SYSTEM SYMPTOMS
SYMPTOM DIAGNOSIS
4WD SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000007357539
Symptom
Condition
Reference page
4WD shift indicator lamp and 4LO indicator lamp do not turn ON (lamp check)
Ignition switch: ON
4WD warning lamp does not turn ON (lamp check)
4WD shift indicator lamp or 4LO indicator lamp does not change
Engine running
ATP warning lamp does not turn ON
ATP switch is malfunctioning
4WD shift indicator lamp repeats flashing
While driving
4WD warning lamp flashes slowly (1 time/2 seconds)
August 2012
2012 Pathfinder
4WD WARNING LAMP DOES NOT TURN ON
DLN-255
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
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4WD WARNING LAMP DOES NOT TURN ON
Description
INFOID:0000000007357540
4WD warning lamp does not turn ON when turning ignition switch to ON.
Diagnosis Procedure
INFOID:0000000007357541
Regarding Wiring Diagram information, refer to
1.
CHECK TRANSFER CONTROL UNIT POWER SUPPLY AND GROUND CIRCUITS
DLN-206, "Diagnosis Procedure"
Are the inspection results normal?
YES
>> GO TO 2.
NO
>> Perform repairs as necessary.
2.
CHECK COMBINATION METER POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect combination meter harness connector.
3. Check voltage between combination meter harness connector
terminals and ground.
4. Turn ignition switch “ON”. (Do not start engine.)
5. Check voltage between combination meter harness connector
terminals and ground.
Are the inspection results normal?
YES
>> GO TO 3.
NO
>> Check the following. If any items are damaged, repair
or replace damaged parts.
• 10A fuse [No. 14, located in the fuse block (J/B)] or
ignition switch.
• Harness for short or open between ignition switch and combination meter harness connector
terminal 16
3.
CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND COMBINATION METER
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
Connector
Terminal
Voltage (Approx.)
M24
16 - Ground
0V
WDIA0178E
Connector
Terminal
Voltage (Approx.)
M24
16 - Ground
Battery voltage
WDIA0179E
August 2012
2012 Pathfinder
DLN-256
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
4WD WARNING LAMP DOES NOT TURN ON
2. Check continuity between transfer control unit harness connec-
tor M166 terminal 38 and combination meter harness connector
M24 terminal 28.
Also check harness for short to ground and short to power.
Is there continuity?
YES
>> GO TO 4.
NO
>> Repair or replace damaged parts.
4.
CHECK INDICATOR LAMP CIRCUIT
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Connect combination meter harness connector.
3. Disconnect transfer control unit harness connector.
4. Turn ignition switch "ON". (Do not start engine.)
5. Ground the following terminal using suitable wiring.
-
Transfer control unit harness connector M166 terminal 38 and
ground.
Does the indicator lamp turn on?
YES
>> GO TO 5.
NO
>> Replace the combination meter. Refer to
.
5.
SYMPTOM CHECK
Check again.
Does the symptom still occur?
YES
>> GO TO 6.
NO
>> Inspection End.
6.
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.
Continuity should exist.
WDIA0180E
SDIA3452E
August 2012
2012 Pathfinder
4WD SHIFT INDICATOR LAMP AND 4LO INDICATOR LAMP DO NOT TURN ON
DLN-257
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
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4WD SHIFT INDICATOR LAMP AND 4LO INDICATOR LAMP DO NOT
TURN ON
Description
INFOID:0000000007357542
4WD shift indicator lamp and 4LO indicator lamp do not turn ON for approx. 1 second when turning ignition
switch to ON.
Diagnosis Procedure
INFOID:0000000007357543
Regarding Wiring Diagram information, refer to
1.
CHECK TRANSFER CONTROL UNIT POWER SUPPLY AND GROUND CIRCUITS
DLN-206, "Diagnosis Procedure"
Are the inspection results normal?
YES
>> GO TO 2.
NO
>> Perform repairs as necessary.
2.
CHECK COMBINATION METER POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect combination meter harness connector.
3. Check voltage between combination meter harness connector
terminals and ground.
4. Turn ignition switch “ON”. (Do not start engine.)
5. Check voltage between combination meter harness connector
terminals and ground.
Are the inspection results normal?
YES
>> GO TO 3.
NO
>> Check the following. If any items are damaged, repair
or replace damaged parts.
• 10A fuse [No. 14, located in the fuse block (J/B) or]
ignition switch.
• Harness for short or open between ignition switch and combination meter harness connector
terminal 16
3.
CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND COMBINATION METER
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
Connector
Terminal
Voltage (Approx.)
M24
16 - Ground
0V
WDIA0178E
Connector
Terminal
Voltage (Approx.)
M24
16 - Ground
Battery voltage
WDIA0179E
August 2012
2012 Pathfinder
DLN-258
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
4WD SHIFT INDICATOR LAMP AND 4LO INDICATOR LAMP DO NOT TURN ON
2. Check continuity between the following terminals.
-
Transfer control unit harness connector M166 terminal 35 and
combination meter harness connector M24 terminal 30.
-
Transfer control unit harness connector M166 terminal 36 and
combination meter harness connector M24 terminal 27.
-
Transfer control unit harness connector M166 terminal 37 and
combination meter harness connector M24 terminal 29.
Also check harness for short to ground and short to power.
Does continuity exist?
YES
>> GO TO 4.
NO
>> Repair or replace damaged parts.
4.
CHECK INDICATOR LAMP CIRCUIT
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Connect combination meter harness connector.
3. Disconnect transfer control unit harness connector.
4. Turn ignition switch "ON". (Do not start engine.)
5. Ground the following terminals using suitable wiring.
-
Transfer control unit harness connector M166 terminal 35 and
ground.
-
Transfer control unit harness connector M166 terminal 36 and
ground.
-
Transfer control unit harness connector M166 terminal 37 and
ground.
Do indicator lamps turn on?
YES
>> GO TO 5.
NO
>> Replace the combination meter. Refer to
.
5.
SYMPTOM CHECK
Check again.
Does the symptom still occur?
YES
>> GO TO 6.
NO
>> Inspection End.
6.
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.
Continuity should exist.
SDIA2823E
SDIA3451E
August 2012
2012 Pathfinder
4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT CHANGE
DLN-259
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
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4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT
CHANGE
Description
INFOID:0000000007357544
4WD shift indicator lamp or 4LO indicator lamp do not change when switching the 4WD shift switch.
Diagnosis Procedure
INFOID:0000000007357545
1.
CONFIRM THE SYMPTOM
Confirm 4WD shift indicator lamp and 4LO indicator lamp when ignition switch is turned to ON.
Do 4WD shift indicator lamp and 4LO indicator lamp turn on?
YES
>> GO TO 2.
NO
>> Go to
DLN-257, "Diagnosis Procedure"
.
2.
CHECK SYSTEM FOR STOP LAMP SWITCH
Perform trouble diagnosis for stop lamp switch system. Refer to
Are the inspection results normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK SYSTEM FOR 4WD SHIFT SWITCH
Perform trouble diagnosis for 4WD shift switch system. Refer to
DLN-216, "Diagnosis Procedure"
.
Are the inspection results normal?
YES
>> GO TO 4.
NO
>> Repair or replace damaged parts.
4.
CHECK SYSTEM FOR WAIT DETECTION SWITCH
Perform trouble diagnosis for wait detection switch system. Refer to
DLN-219, "Diagnosis Procedure"
Are the inspection results normal?
YES
>> GO TO 5.
NO
>> Repair or replace damaged parts.
5.
CHECK SYSTEM FOR 4LO SWITCH
Perform trouble diagnosis for 4LO switch system. Refer to
DLN-213, "Diagnosis Procedure"
.
Are the inspection results normal?
YES
>> GO TO 6.
NO
>> Repair or replace damaged parts.
6.
CHECK SYSTEM FOR ATP SWITCH
Perform trouble diagnosis for ATP switch system. Refer to
DLN-265, "Diagnosis Procedure"
Are the inspection results normal?
YES
>> GO TO 7.
NO
>> Repair or replace damaged parts.
7.
SYMPTOM CHECK
Check again.
Does the symptom still occur?
YES
>> GO TO 8.
NO
>> Inspection End
8.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
Are the inspection results normal?
YES
>> GO TO 9.
August 2012
2012 Pathfinder
DLN-260
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT CHANGE
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.
9.
CHECK TRANSFER INNER PARTS
1. Disassemble transfer assembly. Refer to
DLN-289, "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
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