Nissan Titan. Manual — part 126
DLN-76
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
ATP WARNING LAMP DOES NOT TURN ON
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.
8.
CHECK TRANSFER INNER PARTS
1. Disassemble transfer assembly. Refer to
DLN-101, "Disassembly and Assembly"
2. Check transfer inner parts.
Are the inspection results normal?
YES
>> Inspection End.
NO
>> Repair or replace damaged parts.
4WD SHIFT INDICATOR LAMP KEEPS FLASHING
DLN-77
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
4WD SHIFT INDICATOR LAMP KEEPS FLASHING
Description
INFOID:0000000009886018
The 4WD shift indicator lamp keeps flashing.
Diagnosis Procedure
INFOID:0000000009886019
1.
CONFIRM THE SYMPTOM
1. Set 4WD shift switch to 2WD.
2. Drive the vehicle straight forward and backward keeping speed under 20 km/h (12 MPH).
Does 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 4LO SWITCH
Perform trouble diagnosis for 4LO switch. Refer to
.
Are the inspection results normal?
YES
>> GO TO 4.
NO
>> Repair or replace damaged parts.
4.
SYMPTOM CHECK
Check again.
Does the symptom still occur?
YES
>> GO TO 5.
NO
>> Inspection End.
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-101, "Disassembly and Assembly"
2. Check transfer inner parts.
Are the inspection results normal?
YES
>> Inspection End.
NO
>> Repair or replace damaged parts.
DLN-78
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
4WD WARNING LAMP FLASHES SLOWLY
4WD WARNING LAMP FLASHES SLOWLY
Description
INFOID:0000000009886020
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:0000000009886021
1.
CHECK TIRES
Check the following. Refer to
.
• Tire size
• Tire wear
• Tire pressure
Are the inspection results normal?
YES
>> GO TO 2.
NO
>> Repair or replace damaged parts.
2.
SYMPTOM CHECK
Check again.
Does the symptom still occur?
YES
>> GO TO 3.
NO
>> Inspection End.
3.
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.
ATP SWITCH
DLN-79
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
ATP SWITCH
Description
INFOID:0000000009886022
The ATP indicator does not come on when the transfer is in neutral and the A/T lever is in neutral or, the ATP
indicator stays on when the transfer case is not in neutral.
Diagnosis Procedure
INFOID:0000000009886023
Regarding Wiring Diagram information, refer to
.
DIAGNOSTIC PROCEDURE
1.
CHECK ATP SWITCH SIGNAL
With CONSULT
1. Start engine.
2. Select DATA MONITOR mode for ALL MODE AWD/4WD with CONSULT.
3. Read out the value of ATP SWITCH.
Without CONSULT
1. Start engine.
2. Check voltage between transfer control unit harness connector
terminal and ground.
OK or NG
OK
>> GO TO 5.
NG
>> GO TO 2.
2.
CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND ATP SWITCH
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Disconnect transfer control unit harness connector and the ATP switch harness connector.
Condition
Display value
• Vehicle stopped
• Engine running
• A/T selector lever
N position
• Brake pedal de-
pressed
4WD shift switch: 4H to 4LO or 4LO to 4H
(While actuator motor is operating.)
ON
Except the above
OFF
Connector
Terminal
Condition
Voltage
(Approx.)
E142
23 -
Ground
• Vehicle stopped
• Engine running
• A/T selector lever
N position
• Brake pedal de-
pressed
4WD shift switch: 4H
to 4LO or 4LO to 4H
(While actuator motor
is operating.)
0V
Except the above
Battery
voltage
SDIA3375E
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