2005 INFINITI QX4 Factory Service Manual

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INFINITI QX4 2005  Factory Service Manual TF-98
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: October 20052005 QX56
2. Check voltage between transfer control unit harness connector
terminal and ground.
OK or NG
OK  >> GO TO 7.
NG >> GO TO 2.
Connect

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INFINITI QX4 2005  Factory Service Manual TROUBLE DIAGNOSIS FOR SYSTEM
TF-99
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: October 20052005 QX56
2. CHECK TRANSFER MOTOR RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”. (Stay for at least 5

Page 3243 of 3419

INFINITI QX4 2005  Factory Service Manual TF-100
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: October 20052005 QX56
4. CHECK TRANSFER MOTOR CONTROL CIRCUIT
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Remove transfer motor r

Page 3244 of 3419

INFINITI QX4 2005  Factory Service Manual TROUBLE DIAGNOSIS FOR SYSTEM
TF-101
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F
G
H
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B
TF
Revision: October 20052005 QX56
6. CHECK TRANSFER MOTOR
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect tr

Page 3245 of 3419

INFINITI QX4 2005  Factory Service Manual TF-102
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: October 20052005 QX56
COMPONENT INSPECTION
Transfer Motor Relay
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Remove transfer motor

Page 3246 of 3419

INFINITI QX4 2005  Factory Service Manual TROUBLE DIAGNOSIS FOR SYSTEM
TF-103
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Revision: October 20052005 QX56
DIAGNOSTIC PROCEDURE
1. CHECK TRANSFER FLUID TEMPERATURE SENSOR SIGNAL
 With CONSULT-II
1. Start engine.
2

Page 3247 of 3419

INFINITI QX4 2005  Factory Service Manual TF-104
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: October 20052005 QX56
3. CHECK TRANSFER FLUID TEMPERATURE SENSOR
1. Turn ignition switch “OFF”. (Stay for at least 5 seconds.)
2. Disconnect transfer

Page 3248 of 3419

INFINITI QX4 2005  Factory Service Manual TROUBLE DIAGNOSIS FOR SYSTEM
TF-105
C
E
F
G
H
I
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TF
Revision: October 20052005 QX56
Clutch Pressure SwitchEDS002IK
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Data are reference value.
T