2001 INFINITI QX4 Factory Service Manual

Page 17 of 2395

INFINITI QX4 2001  Factory Service Manual A/T Electrical Parts LocationNBAT0007
SAT124K
OVERALL SYSTEM
A/T Electrical Parts Location
AT-12

Page 18 of 2395

INFINITI QX4 2001  Factory Service Manual Circuit DiagramNBAT0008
MAT906A
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
OVERALL SYSTEM
Circuit Diagram
AT-13

Page 19 of 2395

INFINITI QX4 2001  Factory Service Manual Cross-sectional ViewNBAT0010
SAT150K
OVERALL SYSTEM
Cross-sectional View
AT-14

Page 20 of 2395

INFINITI QX4 2001  Factory Service Manual Hydraulic Control CircuitNBAT0011
SAT151K
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
OVERALL SYSTEM
Hydraulic Control Circuit
AT-15

Page 21 of 2395

INFINITI QX4 2001  Factory Service Manual Shift MechanismNBAT0012The automatic transmission uses compact, dual planetary gear systems to improve power-transmission
efficiency, simplify construction and reduce weight.
It also employs an optimu

Page 22 of 2395

INFINITI QX4 2001  Factory Service Manual CLUTCH AND BAND CHARTNBAT0012S03
Shift positionReverse
clutchHigh
clutchFor-
ward
clutchOver-
run
clutchBand servoFor-
ward
one
-way
clutchLow
one-
way
clutchLow &
reverse
brakeLock-up Remarks
2nd
app

Page 23 of 2395

INFINITI QX4 2001  Factory Service Manual POWER TRANSMISSION=NBAT0012S04ªNº and ªPº PositionsNBAT0012S0401IªNº position
No control members operate. Power from the input shaft is not transmitted to the output shaft since the
clutch does

Page 24 of 2395

INFINITI QX4 2001  Factory Service Manual ª11º Position=NBAT0012S0406
Forward clutch
Forward one-way clutch
Overrun clutch
Low and reverse brakeAs overrun clutch engages, rear internal gear is locked by the operation of low and
reverse brak