2004 INFINITI QX56 Factory Service Manual

Page 3201 of 3371

INFINITI QX56 2004  Factory Service Manual TF-76
DATA ERASE/DISPLAY
Revision: August 20072004 QX56
DATA ERASE/DISPLAYPFP:00000
Diagnostic ProcedureEDS0018A
1. CHECK TRANSFER CONTROL UNIT POWER SOURCE
1. Turn ignition switch to OFF position and

Page 3202 of 3371

INFINITI QX56 2004  Factory Service Manual SHIFT ACTUATOR
TF-77
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: August 20072004 QX56
SHIFT ACTUATORPFP:00000
Diagnostic ProcedureEDS0018B
1. SHIFT ACTUATOR
Refer to TF-97, "
ACTUATOR AND ACTUATOR POSITION SW

Page 3203 of 3371

INFINITI QX56 2004  Factory Service Manual TF-78
SHIFT ACTUATOR
Revision: August 20072004 QX56
4. CHECK INPUT SIGNAL
 With CONSULT-II
1. Start engine (idling).
2. Select “SELF-DIAG RESULTS” in Select Diag Mode.
3. Read out self-diagnostic

Page 3204 of 3371

INFINITI QX56 2004  Factory Service Manual SHIFT ACTUATOR
TF-79
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: August 20072004 QX56
6. CHECK HARNESS CONTINUITY BETWEEN TRANSFER CONTROL UNIT AND TRANSFER CON-
TROL DEVICE
OK or NG
OK >> GO TO 7.
NG >> Repa

Page 3205 of 3371

INFINITI QX56 2004  Factory Service Manual TF-80
SHIFT ACTUATOR POSITION SWITCH
Revision: August 20072004 QX56
SHIFT ACTUATOR POSITION SWITCHPFP:00000
Diagnostic ProcedureEDS0018C
1. SHIFT ACTUATOR POSITION SWITCH
Refer to TF-97, "
ACTUATOR AN

Page 3206 of 3371

INFINITI QX56 2004  Factory Service Manual SHIFT ACTUATOR POSITION SWITCH
TF-81
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: August 20072004 QX56
5. CHECK INPUT SIGNAL
 Without CONSULT-II
1. Start engine (idling).
2. Check voltage transfer control unit

Page 3207 of 3371

INFINITI QX56 2004  Factory Service Manual TF-82
SHIFT ACTUATOR CIRCUIT
Revision: August 20072004 QX56
SHIFT ACTUATOR CIRCUITPFP:00000
Diagnostic ProcedureEDS0018D
1. SHIFT ACTUATOR CIRCUIT
Refer to TF-97, "
TRANSFER SHIFT RELAY (HIGH & LOW)"

Page 3208 of 3371

INFINITI QX56 2004  Factory Service Manual SHIFT ACTUATOR CIRCUIT
TF-83
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: August 20072004 QX56
3. CHECK POWER SOURCE OF TRANSFER CONTROL DEVICE
1. Disconnect transfer control device harness connector F58.
2. T