2004 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2004  Factory Service Manual TF-92
TROUBLE DIAGNOSES FOR SYMPTOMS
Revision: August 20072004 QX56
Symptom 7. 4WD Shift Indicator Lamp Repeats Flickering (4WD Shift Indicator 
Lamp Keeps Flickering)
EDS0018K
1. CHECK 4WD SHIFT INDI

Page 3218 of 3371

INFINITI QX56 2004  Factory Service Manual TROUBLE DIAGNOSES FOR SYMPTOMS
TF-93
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Revision: August 20072004 QX56
Symptom 8. Tight Corner Braking Symptom (Tight Corner Braking Symptom 
Occurs-Hydraulic System Failure)
ED

Page 3219 of 3371

INFINITI QX56 2004  Factory Service Manual TF-94
TROUBLE DIAGNOSES FOR SYMPTOMS
Revision: August 20072004 QX56
Symptom 9. 4WD System Does Not Operate (The Vehicle Cannot Be Put Into 
4WD Mode-Hydraulic System Failure)
EDS0018M
1. CHECK INPUT S

Page 3220 of 3371

INFINITI QX56 2004  Factory Service Manual TROUBLE DIAGNOSES FOR SYMPTOMS
TF-95
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Revision: August 20072004 QX56
Component InspectionEDS0018N
4WD SHIFT SWITCH
Check continuity between each terminal.
2-4WD SHIFT SOLENOID

Page 3221 of 3371

INFINITI QX56 2004  Factory Service Manual TF-96
TROUBLE DIAGNOSES FOR SYMPTOMS
Revision: August 20072004 QX56
TRANSFER DROPPING RESISTOR
Check resistance between terminals.
ATP SWITCH, NEUTRAL-4LO SWITCH AND WAIT DETECTION SWITCH
1. Remove th

Page 3222 of 3371

INFINITI QX56 2004  Factory Service Manual TROUBLE DIAGNOSES FOR SYMPTOMS
TF-97
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Revision: August 20072004 QX56
TRANSFER MOTOR RELAY
1. Apply battery voltage and ground directly to transfer motor relay
E154 terminals 1

Page 3223 of 3371

INFINITI QX56 2004  Factory Service Manual TF-98
TRANSFER CONTROL UNIT
Revision: August 20072004 QX56
TRANSFER CONTROL UNITPFP:33084
Removal and InstallationEDS00314
REMOVAL
1. Set transfer state as 2WD when 4WD shift switch is at 2WD, or as A

Page 3224 of 3371

INFINITI QX56 2004  Factory Service Manual FRONT OIL SEAL
TF-99
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Revision: August 20072004 QX56
FRONT OIL SEALPFP:38189
Removal and InstallationEDS00315
REMOVAL
1. Partially drain the transfer fluid. Refer to MA-24, "C