2001 INFINITI QX4 Factory Service Manual

Page 97 of 2395

INFINITI QX4 2001  Factory Service Manual AAT475A
TCM Terminals and Reference Value=NBAT0027PREPARATIONNBAT0027S01IMeasure voltage between each terminal and terminal 25 or 48
by following ªTCM INSPECTION TABLEº.
SAT217JB
TCM HARNESS CONNECT

Page 98 of 2395

INFINITI QX4 2001  Factory Service Manual Terminal
No.Wire color Item ConditionJudgement
standard
(Approx.)
11 L/WShift solenoid
valve A
When shift solenoid valve A operates.
(When driving in ªD
1ºorªD4º.)Battery volt-
age
When shift sole

Page 99 of 2395

INFINITI QX4 2001  Factory Service Manual Terminal
No.Wire color Item ConditionJudgement
standard
(Approx.)
24 W/GASCD OD cut
signal
When ªACCELº set switch on ASCD cruise is
released.5 - 10V
When ªACCELº set switch on ASCD cruise is
appl

Page 100 of 2395

INFINITI QX4 2001  Factory Service Manual Terminal
No.Wire color Item ConditionJudgement
standard
(Approx.)
39 W/BEngine speed
signal
Refer to EC-127, ªECM INSPECTION
TABLEº.Ð
40 W/LVehicle speed
sensor
When moving vehicle at 2 to 3 km/h (

Page 101 of 2395

INFINITI QX4 2001  Factory Service Manual Wiring Diagram Ð AT Ð MAINNBAT0185
MAT907A
TROUBLE DIAGNOSIS FOR POWER SUPPLY
Wiring Diagram Ð AT Ð MAIN
AT-96

Page 102 of 2395

INFINITI QX4 2001  Factory Service Manual TCM TERMINALS AND REFERENCE VALUENBAT0185S01Remarks: Specification data are reference values.
Terminal
No.Wire color Item ConditionJudgement
standard
(Approx.)
10 W/R Power source
When turning ignitio

Page 103 of 2395

INFINITI QX4 2001  Factory Service Manual 2 CHECK TCM POWER SOURCE STEP 2
1. Turn ignition switch to OFF position.
2. Check voltage between TCM terminal 28 and ground.
SAT612JC
OK or NG
OK©GO TO 4.
NG©GO TO 3.
3 DETECT MALFUNCTIONING ITEM
C

Page 104 of 2395

INFINITI QX4 2001  Factory Service Manual SAT136K
DescriptionNBAT0028IThe PNP switch assemble includes a transmission range
switch.
IThe transmission range switch detects the selector position
and sends a signal to the TCM.
TCM TERMINALS AND