2005 INFINITI QX4 Factory Service Manual

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INFINITI QX4 2005  Factory Service Manual TF-82
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: October 20052005 QX56
DIAGNOSTIC PROCEDURE
1. CHECK POWER SUPPLY
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Connect transfer cont

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INFINITI QX4 2005  Factory Service Manual TROUBLE DIAGNOSIS FOR SYSTEM
TF-83
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TF
Revision: October 20052005 QX56
2. CHECK GROUND CIRCUIT
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect tra

Page 3227 of 3419

INFINITI QX4 2005  Factory Service Manual TF-84
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: October 20052005 QX56
4. CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND TRANSFER SHIFT RELAY
1. Turn ignition switch “OFF”. (Stay for at least 5 secon

Page 3228 of 3419

INFINITI QX4 2005  Factory Service Manual TROUBLE DIAGNOSIS FOR SYSTEM
TF-85
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Revision: October 20052005 QX56
7. PERFORM SELF-DIAGNOSIS (WITH CONSULT-II)
 With CONSULT-II
1. Turn ignition switch “ON”. (Do not star

Page 3229 of 3419

INFINITI QX4 2005  Factory Service Manual TF-86
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: October 20052005 QX56
Clutch Pressure SolenoidEDS002IG
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Data are reference value.
TRANSFER CONTROL UNIT TERM

Page 3230 of 3419

INFINITI QX4 2005  Factory Service Manual TROUBLE DIAGNOSIS FOR SYSTEM
TF-87
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F
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H
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Revision: October 20052005 QX56
DIAGNOSTIC PROCEDURE
1. CHECK CLUTCH PRESSURE SIGNAL
 With CONSULT-II
1. Start engine.
2. Select “DATA MO

Page 3231 of 3419

INFINITI QX4 2005  Factory Service Manual TF-88
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: October 20052005 QX56
2. CHECK HARNESS BETWEEN TRANSFER CONTROL UNIT AND CLUTCH PRESSURE SOLENOID 
VA LV E
1. Turn ignition switch “OFF”. (Stay for at

Page 3232 of 3419

INFINITI QX4 2005  Factory Service Manual TROUBLE DIAGNOSIS FOR SYSTEM
TF-89
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: October 20052005 QX56
4. CHECK GROUND CIRCUIT
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect tra