2010 INFINITI QX56 Factory Service Manual

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Page 1185 of 4210

INFINITI QX56 2010 Factory Service Manual 4WD SHIFT INDICATOR LAMP AND 4LO INDICATOR LAMP DO NOT TURN ON
DLN-103
< SYMPTOM DIAGNOSIS > [ATX14B]
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DLN
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4WD SHIFT INDICATOR LAMP AND 4LO INDICATOR LAMP DO NOT
TURN ON
D

Page 1186 of 4210

INFINITI QX56 2010 Factory Service Manual DLN-104
< SYMPTOM DIAGNOSIS >[ATX14B]
4WD SHIFT INDICATOR LAMP AND 4LO
INDICATOR LAMP DO NOT TURN ON
3. Ground the following terminals using suitable wiring.
- Transfer control unit harness connector

Page 1187 of 4210

INFINITI QX56 2010 Factory Service Manual 4WD WARNING LAMP DOES NOT TURN ONDLN-105
< SYMPTOM DIAGNOSIS > [ATX14B]
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4WD WARNING LAMP DOES NOT TURN ON
DescriptionINFOID:0000000005148859
4WD warning lamp does not

Page 1188 of 4210

INFINITI QX56 2010 Factory Service Manual DLN-106
< SYMPTOM DIAGNOSIS >[ATX14B]
4WD WARNING LAMP DOES NOT TURN ON
NO >> GO TO 6.
6.CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. Refer to DLN-81, "
Reference Valu

Page 1189 of 4210

INFINITI QX56 2010 Factory Service Manual 4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT CHANGE
DLN-107
< SYMPTOM DIAGNOSIS > [ATX14B]
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4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT
CHANGE
Descr

4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT CHANGE
DLN-107
< SYMPTOM DIAGNOSIS > [ATX14B]
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B
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4WD SHIFT INDICATOR LAMP OR 4LO INDICATOR LAMP DO NOT
CHANGE
DescriptionINFOID:0000000005148861
4WD shift indicator lamp or 4LO indicator lamp do not change when switching the 4WD shift switch.
Diagnosis ProcedureINFOID:0000000005148862
1.CONFIRM THE SYMPTOM
Confirm 4WD shift indicator lamp and 4LO indicator lamp turn on when ignition switch is turned to ON.
Do 4WD shift indicator lamp and 4LO indicator lamp turn on?
YES >> GO TO 2.
NO >> Refer to DLN-103, "
Diagnosis Procedure".
2.CHECK SYSTEM FOR 4WD SHIFT SWITCH
Perform trouble diagnosis for 4WD shift switch system. Refer to DLN-32, "
Diagnosis Procedure".
Are the inspection results normal?
YES >> GO TO 3.
NO >> Repair or replace damaged parts.
3.CHECK SYSTEM FOR WAIT DETECTION SWITCH
Perform trouble diagnosis for wait detection switch system. Refer to DLN-36, "
Diagnosis Procedure".
Are the inspection results normal?
YES >> GO TO 4.
NO >> Repair or replace damaged parts.
4.CHECK SYSTEM FOR NEUTRAL-4LO SWITCH
Perform trouble diagnosis for neutral-4LO switch system. Refer to DLN-29, "
Diagnosis Procedure".
Are the inspection results normal?
YES >> GO TO 5.
NO >> Repair or replace damaged parts.
5.CHECK SYSTEM FOR ATP SWITCH
Perform trouble diagnosis for ATP switch system. Refer to DLN-116, "
Diagnosis Procedure".
Are the inspection results normal?
YES >> GO TO 6.
NO >> Repair or replace damaged parts.
6.CHECK SYSTEM FOR 2-4WD SOLENOID
Perform trouble diagnosis for 2-4W D solenoid system. Refer to DLN-58, "
Diagnosis Procedure".
Are the inspection results normal?
YES >> GO TO 7.
NO >> Repair or replace damaged parts.
7.CHECK SYSTEM FOR TRANSFER CONTROL DEVICE
Perform trouble diagnosis for transfer control device system. Refer to DLN-49, "
Diagnosis Procedure".
Are the inspection results normal?
YES >> GO TO 8.
NO >> Repair or replace damaged parts.
8.CHECK SYSTEM FOR ACTUATOR MOTOR
Perform trouble diagnosis for actuator motor system. Refer to DLN-40, "
Diagnosis Procedure".
Are the inspection results normal?
YES >> GO TO 9.
NO >> Repair or replace damaged parts.
Revision: April 20092010 QX56

Page 1190 of 4210

INFINITI QX56 2010 Factory Service Manual DLN-108
< SYMPTOM DIAGNOSIS >[ATX14B]
4WD SHIFT INDICATOR LAMP OR 4L
O INDICATOR LAMP DO NOT CHANGE
9.CHECK SYSTEM FOR ACTUATOR POSITION SWITCH
Perform trouble diagnosis for actuator position switch

Page 1191 of 4210

INFINITI QX56 2010 Factory Service Manual ATP WARNING LAMP DOES NOT TURN ONDLN-109
< SYMPTOM DIAGNOSIS > [ATX14B]
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ATP WARNING LAMP DOES NOT TURN ON
DescriptionINFOID:0000000005148863
ATP warning lamp does not

Page 1192 of 4210

INFINITI QX56 2010 Factory Service Manual DLN-110
< SYMPTOM DIAGNOSIS >[ATX14B]
ATP WARNING LAMP DOES NOT TURN ON
- Transfer control unit harness
connector E143 (B) terminal 40
and combination meter harness connector M23 (A) terminal 44.
Als

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