Nissan Titan. Instruction — part 125
DLN-72
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
4WD SHIFT INDICATOR LAMP AND 4LO INDICATOR LAMP DO NOT TURN ON
4WD SHIFT INDICATOR LAMP AND 4LO INDICATOR LAMP DO NOT
TURN ON
Description
INFOID:0000000009886012
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:0000000009886013
Regarding Wiring Diagram information, refer to
.
1.
CHECK TRANSFER CONTROL UNIT POWER SUPPLY AND GROUND
Refer to
Are the inspection results normal?
YES
>> GO TO 2.
NO
>> Repair as necessary.
2.
PERFORM SELF DIAGNOSIS
With CONSULT
Perform self-diagnosis for ALL MODE AWD/4WD.
Is any DTC detected?
YES
>> Check the DTC. Refer to
NO
>> GO TO 3.
3.
CHECK 4WD SHIFT INDICATOR LAMP AND 4LO INDICATOR LAMP SIGNAL
With CONSULT
1. Turn ignition switch ON.
CAUTION:
Never start the engine.
2. Check 2WD IND and 4L IND of CONSULT DATA MONITOR for ALL MODE AWD/4WD.
Does the item on DATA MONITOR indicate On?
YES
>> Check combination meter. Refer to
.
NO
>> Replace transfer control unit. Refer to
DLN-91, "Removal and Installation"
.
4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT CHANGE
DLN-73
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT
CHANGE
Description
INFOID:0000000009886014
4WD shift indicator lamp or 4LO indicator lamp do not change when switching the 4WD shift switch.
Diagnosis Procedure
INFOID:0000000009886015
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
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
.
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
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
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
.
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.
DLN-74
< 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-101, "Disassembly and Assembly"
2. Check transfer inner parts.
Are the inspection results normal?
YES
>> Inspection End.
NO
>> Repair or replace damaged parts.
ATP WARNING LAMP DOES NOT TURN ON
DLN-75
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
C
E
F
G
H
I
J
K
L
M
A
B
DLN
N
O
P
ATP WARNING LAMP DOES NOT TURN ON
Description
INFOID:0000000009886016
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:0000000009886017
Regarding Wiring Diagram information, refer to
.
1.
CHECK SYSTEM FOR CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to
DLN-16, "CONSULT Function (ALL MODE AWD/4WD)"
Do the self-diagnostic results indicate CAN communication?
YES
>> Perform trouble diagnosis for CAN communication line. Refer to
NO
>> GO TO 2.
2.
CHECK SYSTEM FOR 4WD SHIFT SWITCH
Perform trouble diagnosis for 4WD shift switch system. Refer to
DLN-30, "Diagnosis Procedure (With 3 Con-
trol Dial System Without Auto A/C)"
Are the inspection results normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK SYSTEM FOR TRANSMISSION RANGE SWITCH SIGNAL
Perform trouble diagnosis for transmission range switch signal system. Refer to
.
Are the inspection results normal?
YES
>> GO TO 4.
NO
>> Repair or replace damaged parts.
4.
CHECK SYSTEM FOR ATP SWITCH
Perform trouble diagnosis for ATP switch system. Refer to
.
Are the inspection results normal?
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
5.
CHECK COMBINATION METER
1. Turn ignition switch OFF. (Stay for at least 5 seconds.)
2. Check the combination meter. Refer to
MWI-28, "CONSULT Function (METER/M&A)"
Are the inspection results normal?
YES
>> GO TO 6.
NO
>> Replace the combination meter. Refer to
MWI-93, "Removal and Installation"
.
6.
SYMPTOM CHECK
Check again.
Are the inspection results normal?
YES
>> Inspection End.
NO
>> GO TO 7.
7.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
Are the inspection results normal?
OK
>> GO TO 8.
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