2005 INFINITI QX4 Factory Service Manual

Page 233 of 3419

INFINITI QX4 2005  Factory Service Manual AT-162
DTC P1843 ATF PRESSURE SWITCH 3
Revision: October 20052005 QX56
DTC P1843 ATF PRESSURE SWITCH 3PFP:25240
DescriptionECS00CJB
Fail-safe function to detect input clutch solenoid valve condition.

Page 234 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P1843 ATF PRESSURE SWITCH 3
AT-163
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: October 20052005 QX56
Diagnostic ProcedureECS00CJG
1. CHECK INPUT SIGNAL 
 With CONSULT-II
1. Start engine.
2. Select “ECU

Page 235 of 3419

INFINITI QX4 2005  Factory Service Manual AT-164
DTC P1845 ATF PRESSURE SWITCH 5
Revision: October 20052005 QX56
DTC P1845 ATF PRESSURE SWITCH 5PFP:25240
DescriptionECS00CJH
Fail-safe function to detect direct clutch solenoid valve condition.

Page 236 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P1845 ATF PRESSURE SWITCH 5
AT-165
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: October 20052005 QX56
Diagnostic ProcedureECS00CJM
1. CHECK INPUT SIGNAL
 With CONSULT-II
1. Start engine.
2. Select “ECU I

Page 237 of 3419

INFINITI QX4 2005  Factory Service Manual AT-166
DTC P1846 ATF PRESSURE SWITCH 6
Revision: October 20052005 QX56
DTC P1846 ATF PRESSURE SWITCH 6PFP:25240
DescriptionECS00CJN
Fail-safe function to detect high and low reverse clutch solenoid va

Page 238 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P1846 ATF PRESSURE SWITCH 6
AT-167
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: October 20052005 QX56
Diagnostic ProcedureECS00CJS
1. CHECK INPUT SIGNAL 
 With CONSULT-II
1. Start the engine.
2. Select “

Page 239 of 3419

INFINITI QX4 2005  Factory Service Manual AT-168
MAIN POWER SUPPLY AND GROUND CIRCUIT
Revision: October 20052005 QX56
MAIN POWER SUPPLY AND GROUND CIRCUITPFP:00100
Wiring Diagram — AT — MAINECS00CJT
BCWA0324E

Page 240 of 3419

INFINITI QX4 2005  Factory Service Manual MAIN POWER SUPPLY AND GROUND CIRCUIT
AT-169
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: October 20052005 QX56
TCM terminals and data are reference value. Measured between each terminal and ground.
Diagnostic