Nissan Frontier. Manual - part 293

DLN-74

< 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:0000000009479691

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:0000000009479692

1.

CHECK SELF-DIAGNOSIS

Perform transfer control unit self-diagnosis. Refer to 

DLN-17, "CONSULT Function (ALL MODE AWD/4WD)"

.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Check items displayed by self-diagnosis.

2.

CHECK COMBINATION METER

Check if the indication and operation of combination meter are normal. Refer to 

MWI-25, "Diagnosis Descrip-

tion"

.

Is the inspection result normal?

YES

>> Replace transfer control unit. Refer to 

DLN-92, "Removal and Installation"

.

NO

>> Replace combination meter. Refer to 

MWI-90, "Removal and Installation"

.

4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT CHANGE

DLN-75

< SYMPTOM DIAGNOSIS >

[TRANSFER: TX15B]

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4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT
CHANGE

Description

INFOID:0000000009479693

4WD shift indicator lamp or 4LO indicator lamp do not change when switching the 4WD shift switch.

Diagnosis Procedure

INFOID:0000000009479694

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 

DLN-74, "Diagnosis Procedure"

.

2.

CHECK SYSTEM FOR STOP LAMP SWITCH

Perform trouble diagnosis for stop lamp switch system. Refer to 

BRC-53, "Diagnosis Procedure"

 (Type 1) or

BRC-171, "Diagnosis Procedure"

 (Type 2).

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-31, "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-34, "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-28, "Diagnosis Procedure"

.

Are the inspection results normal?

YES-1 (A/T models)>>GO TO 6.

YES-2 (M/T models)>>GO TO 7.

NO

>> Repair or replace damaged parts.

6.

CHECK SYSTEM FOR ATP SWITCH

Perform trouble diagnosis for ATP switch system. Refer to 

DLN-47, "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 

DLN-56, "Reference Value"

.

DLN-76

< SYMPTOM DIAGNOSIS >

[TRANSFER: TX15B]

4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT CHANGE

Are the inspection results normal?

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-104, "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-77

< SYMPTOM DIAGNOSIS >

[TRANSFER: TX15B]

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ATP WARNING LAMP DOES NOT TURN ON

Description

INFOID:0000000009479695

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:0000000009479696

1.

CHECK SELF-DIAGNOSIS

Perform transfer control unit self-diagnosis. Refer to 

DLN-17, "CONSULT Function (ALL MODE AWD/4WD)"

.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Check items displayed by self-diagnosis.

2.

CHECK COMBINATION METER

Check if the indication and operation of combination meter are normal. Refer to 

MWI-25, "Diagnosis Descrip-

tion"

.

Is the inspection result normal?

YES

>> Replace transfer control unit. Refer to 

DLN-92, "Removal and Installation"

.

NO

>> Replace combination meter. Refer to 

MWI-90, "Removal and Installation"

.