Nissan Frontier D40. Manual — part 264
4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT CHANGE
DLN-77
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
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DLN
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4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT
CHANGE
Description
INFOID:0000000005275466
4WD shift indicator lamp or 4LO indicator lamp do not change when switching the 4WD shift switch.
Diagnosis Procedure
INFOID:0000000005275467
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-1 (A/T models)>>GO TO 2.
YES-2 (M/T models)>>GO TO 3.
NO
>> Go to
2.
CHECK SYSTEM FOR STOP LAMP SWITCH
Perform trouble diagnosis for stop lamp switch system. Refer to
BRC-116, "Diagnosis Procedure"
(Type 2) or
BRC-234, "Diagnosis Procedure"
(Type 3).
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?
DLN-78
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT CHANGE
YES
>> GO TO 9.
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-105, "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-79
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
C
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F
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H
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A
B
DLN
N
O
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ATP WARNING LAMP DOES NOT TURN ON
Description
INFOID:0000000005275468
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:0000000005275469
Regarding Wiring Diagram information, refer to
.
1.
CHECK SYSTEM FOR CAN COMMUNICATION LINE
Perform self-diagnosis. Refer to
DLN-17, "CONSULT-III 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
Are the inspection results normal?
YES
>> GO TO 3.
NO
>> Repair or replace damaged parts.
3.
CHECK SYSTEM FOR TRANSMISSION RANGE (A/T MODELS) OR PNP (M/T MODELS) SWITCH SIG-
NAL
Perform trouble diagnosis for transmission range (A/T models) or PNP (M/T models) switch signal system.
Refer to
(A/T models) or
(M/T models).
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?
YES
>> GO TO 5.
NO
>> Repair or replace damaged parts.
5.
CHECK ATP WARNING LAMP CIRCUIT
1.
Disconnect ATP switch harness connector.
2.
Turn ignition switch “ON”. (Do not start engine.)
3.
Ground terminal 8 on ATP switch connector F55 using suitable
wiring.
4.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
Does ATP warning lamp turn on?
YES
>> GO TO 9.
NO
>> GO TO 6.
6.
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.
SDIA2832E
DLN-80
< SYMPTOM DIAGNOSIS >
[TRANSFER: TX15B]
ATP WARNING LAMP DOES NOT TURN ON
3.
Check continuity between transfer control unit harness connec-
tor M153 terminal 39 and combination meter harness connector
M24 terminal 21.
Also check harness for short to ground and short to power.
Does continuity exist?
YES
>> GO TO 7.
NO
>> Repair or replace damaged parts.
7.
CHECK HARNESS BETWEEN COMBINATION METER AND ATP SWITCH
1.
Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2.
Disconnect ATP switch harness connector.
3.
Check continuity between combination meter harness connector
M24 terminal 1 and ATP switch harness connector F55 terminal
8.
Also check harness for short to ground and short to power.
Does continuity exist?
YES
>> GO TO 8.
NO
>> Repair or replace damaged parts.
8.
SYMPTOM CHECK
Check again.
Does the symptom still occur?
YES
>> GO TO 9.
NO
>> Inspection End.
9.
CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to
Are the inspection results normal?
YES
>> GO TO 10.
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.
10.
CHECK TRANSFER INNER PARTS
1.
Disassemble transfer assembly. Refer to
DLN-105, "Disassembly and Assembly"
2.
Check transfer inner parts.
Are the inspection results normal?
YES
>> Inspection End.
NO
>> Repair or replace damaged parts.
Continuity should exist.
SDIA2825E
Continuity should exist.
SDIA2833E
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