2001 INFINITI QX4 Factory Service Manual

Page 233 of 2395

INFINITI QX4 2001  Factory Service Manual 3 CHECK LINE PRESSURE
Check line pressure at idle with selector lever in ªRº position. Refer to ªLINE PRESSURE TESTº, AT-62.
SAT494G
OK or NG
OK©GO TO 4.
NG©1. Remove control valve assembly. Ref

Page 234 of 2395

INFINITI QX4 2001  Factory Service Manual 6 DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to ªON-VEHICLE SERVICEº, AT-273.
2. Check the following items:
IValves to control line pressure (Pressure regulator valve, pressu

Page 235 of 2395

INFINITI QX4 2001  Factory Service Manual 7. Vehicle Does Not Creep Forward In ªDº, ª2º
Or ª1º Position
=NBAT0079SYMPTOM:
Vehicle does not creep forward when selecting ªDº, ª2º or ª1º
position.
1 CHECK A/T FLUID LEVEL
Check A/T fl

Page 236 of 2395

INFINITI QX4 2001  Factory Service Manual 3 CHECK LINE PRESSURE
Check line pressure at idle with selector lever in ªRº position.
Refer to ªLINE PRESSURE TESTº, AT-62.
SAT494G
OK or NG
OK©GO TO 4.
NG©1. Remove control valve assembly.
Ref

Page 237 of 2395

INFINITI QX4 2001  Factory Service Manual 6 DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to ªON-VEHICLE SERVICEº, AT-273.
2. Check the following items:
IValves to control line pressure (Pressure regulator valve, pressu

Page 238 of 2395

INFINITI QX4 2001  Factory Service Manual 8. Vehicle Cannot Be Started From D1=NBAT0080SYMPTOM:
Vehicle cannot be started from D
1on Cruise test Ð Part 1.
1 CHECK SYMPTOM
Is ª6. Vehicle Does Not Creep Backward In ªRº Positionº OK?
YesorN

Page 239 of 2395

INFINITI QX4 2001  Factory Service Manual 4 CHECK LINE PRESSURE
Check line pressure at stall point with selector lever in ªDº position.
Refer to ªLINE PRESSURE TESTº, AT-62.
SAT494G
OK or NG
OK©GO TO 5.
NG©GO TO 8.
5 CHECK A/T FLUID CON

Page 240 of 2395

INFINITI QX4 2001  Factory Service Manual 7 CHECK SYMPTOM
Check again.
OK or NG
OK©INSPECTION END
NG©1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.