2000 NISSAN PATROL SOLENOID

10. Vehicle Does Not Creep Forward In ªDº,
ª2º Or ª1º Position
SYMPTOM:
Vehicle does not creep forward when selecting ªDº, ª2º or
ª1º position.
Check A/T fluid level again.
OK
cNG
Refill ATF.
VA
Check stall revolution with selector lever in
ªDº position. Refer to ªSTALL TESTº,
AT-1041.
OK
cNG
1. Remove control
valve assembly.
Refer to AT-1124.
2. Check the following
items:
+Valves to control line
pressure (Pressure
regulator valve, pres-
sure modifier valve,
pilot valve and pilot
filter)
+Line pressure sole-
noid valve
3. Disassemble A/T.
4. Check the following
items:
+Oil pump assembly
+Forward clutch
assembly
+Forward one-way
clutch
+Low one-way clutch
+Low & reverse brake
assembly
+Torque converter
Check line pressure at idle with selector
lever in ªDº position. Refer to ªLine Pressure
Testº, AT-1044.
OK NG
1. Remove control valve assembly.
Refer to AT-1124.
2. Check the following items:
+Valves to control line pressure
(Pressure regulator valve, pressure
modifier valve, pilot valve and pilot
filter)
+Line pressure solenoid valve
3. Disassemble A/T.
4. Check the following item:
+Oil pump assembly
1. Remove oil pan.
2. Check A/T fluid condition.
OK
cNGVA
Check again.
OK
cNG
1. Perform TCM input/
output signal inspec-
tion.
2. If NG, recheck TCM
pin terminals for
damage or loose
connection with har-
ness connector.
INSPECTION END
SAT638A
SAT493G
SAT494G
SAT171B
..
.
.
.
. .
.
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-1104

11. Vehicle Cannot Be Started From D1
SYMPTOM:
Vehicle cannot be started from D1on Cruise test Ð Part 1.
Is 9. Vehicle Does Not Creep Backward
In ªRº Position OK?
Yes
cNo
Go to 9. Vehicle Does Not
Creep Backward In ªRº
Position, AT-1103.
Does self-diagnosis show damage to
vehicle speed sensorzA/T (revolution
sensor), shift solenoid valve A, B or
vehicle speed sensorzMTR after cruise
test?
No
cYes
Check damaged circuit.
Refer to AT-1064, 1066,
1070 or 1072.
Check accelerator position sensor. Refer
to EC section [TROUBLE DIAGNOSIS
FOR ªTHROTTLE (ACCEL) POSI SENº
(DTC 43)].
OK
cNG
Repair or replace throttle
position sensor.
Check line pressure at stall point with
selector lever in ªDº position. Refer to
ªLine Pressure Testº, AT-1044.
OK
cNG
1. Remove control valve
assembly. Refer to
AT-1124.
2. Check the following
items:
+Shift valve A
+Shift valve B
+Shift solenoid valve A
+Shift solenoid valve B
+Pilot valve
+Pilot filter
3. Disassemble A/T.
4. Check the following
items:
+Forward clutch assem-
bly
+Forward one-way clutch
+Low one-way clutch
+High clutch assembly
+Torque converter
+Oil pump assembly
1. Remove oil pan.
2. Check A/T fluid condition.
OK
cNG
1. Remove control valve assembly. Refer
to AT-1124.
2. Check the following items:
+Shift valve A
+Shift valve B
+Shift solenoid valve A
+Shift solenoid valve B
+Pilot valve
+Pilot filter
OK
OKb
Check again.
OK
cNG
1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin
terminals for damage or
loose connection with
harness connector.
INSPECTION END
SAT832H
SAT222JA
SAT494G
SAT171B
.
.
.
.
.
. .
.
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-1105

12. A/T Does Not Shift: D1®D2Or Does Not
Kickdown: D
4®D2
SYMPTOM:
A/T does not shift from D1to D2at the specified speed.
A/T does not shift from D
4to D2when depressing accelera-
tor pedal fully at the specified speed.
Are 10. Vehicle Does Not Creep Forward
In ªDº, ª2º Or ª1º Position and 11. Vehicle
Cannot Be Started From D
1OK?
Yes
cNo
Go to 10. Vehicle Does
Not Creep Forward In ªDº,
ª2º Or ª1º Position and 11.
Vehicle Cannot Be Started
From D
1, AT-1104, 1105.
Does ªTCM INPUT SIGNALSº in
Data Monitor show damage to
PNP switch circuit?
------------------------------------------------------------------------------------------------------------------------------------OR------------------------------------------------------------------------------------------------------------------------------------
Does self-diagnosis show damage
to PNP switch circuit?
No
cYes
Check PNP switch. Refer
to AT-1091.
Check vehicle speed sensorzA/T (revolu-
tion sensor) and vehicle speed
sensorzMTR. Refer to AT-1064, 1066.
OK
cNG
Repair or replace vehicle
speed sensorzA/T (revolu-
tion sensor) and vehicle
speed sensorzMTR. Refer
to AT-1064, 1066.
Check accelerator position sensor. Refer
to EC section [TROUBLE DIAGNOSIS
FOR ªTHROTTLE (ACCEL) POSI SENº
(DTC 43)].
OK
cNG
Repair or replace throttle
position sensor.
1. Remove oil pan.
2. Check A/T fluid condition.
OK
cNG
1. Remove control valve.
Refer to AT-1124.
2. Check the following
items:
+Shift valve A
+Shift solenoid valve A
+Pilot valve
+Pilot filter
3. Disassemble A/T.
4. Check the following
items:
+Servo piston assembly
+Brake band
+Oil pump assembly
1. Remove control valve. Refer to
AT-1124.
2. Check the following items:
+Shift valve A
+Shift solenoid valve A
+Pilot valve
+Pilot filter
OK
OK
b
Check again.
OK
cNG
1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin
terminals for damage or
loose connection with
harness connector.
INSPECTION END
SAT146BA
SAT222JA
SAT171B
.
.
.
.
.
. .
.
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-1106

13. A/T Does Not Shift: D2®D3
SYMPTOM:
A/T does not shift from D2to D3at the specified speed.
Are 10. Vehicle Does Not Creep Forward
In ªDº, ª2º Or ª1º Position and 11. Vehicle
Cannot Be Started From D
1OK?
Yes
cNo
Go to 10. Vehicle Does
Not Creep Forward In ªDº,
ª2º Or ª1º Position and 11.
Vehicle Cannot Be Started
From D
1, AT-1104, 1105.
Does ªTCM INPUT SIGNALSº in
Data Monitor show damage to
PNP switch circuit?
------------------------------------------------------------------------------------------------------------------------------------OR------------------------------------------------------------------------------------------------------------------------------------
Does self-diagnosis show damage
to PNP switch circuit?
No
cYes
Check PNP switch. Refer
to AT-1091.
Check accelerator position sensor. Refer
to EC section [TROUBLE DIAGNOSIS
FOR ªTHROTTLE (ACCEL) POSI SENº
(DTC 43)].
OK
cNG
Repair or replace throttle
position sensor.
1. Remove oil pan.
2. Check A/T fluid condition.
OK
cNG
1. Remove control valve
assembly. Refer to
AT-1124.
2. Check the following
items:
+Shift valve B
+Shift solenoid valve B
+Pilot valve
+Pilot filter
3. Disassemble A/T.
4. Check the following
items:
+Servo piston assembly
+High clutch assembly
+Oil pump assembly
1. Remove control valve assembly. Refer
to AT-1124.
2. Check the following items:
+Shift valve B
+Shift solenoid valve B
+Pilot valve
+Pilot filter
OK
OK
b
Check again.
OK
cNG
1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin
terminals for damage or
loose connection with
harness connector.
INSPECTION END
SAT146BA
SAT222JA
SAT171B
.
.
.
.
. .
.
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-1107

14. A/T Does Not Shift: D3®D4
SYMPTOM:
+A/T does not shift from D3to D4at the specified speed.
+A/T must be warm before D
3to D4shift will occur.
Are 10. Vehicle Does Not Creep Forward
In ªDº, ª2º Or ª1º Position and 11. Vehicle
Cannot Be Started From D
1OK?
Yes
cNo
Go to 10. Vehicle Does
Not Creep Forward In ªDº,
ª2º Or ª1º Position and 11.
Vehicle Cannot Be Started
From D
1, AT-1104, 1105.
Does self-diagnosis, after cruise
test, show damage to any of the
following circuits?
+PNP switch
+Overdrive control switch
+A/T fluid temperature sensor
+Vehicle speed sensorzA/T
(Revolution sensor)
+Shift solenoid valve A or B
+Vehicle speed sensorzMTR
No
cYes
Check damaged circuit.
Refer to AT-1064, 1066,
1070, 1072 or 1091.
Check accelerator position sensor. Refer
to EC section [TROUBLE DIAGNOSIS
FOR ªTHROTTLE (ACCEL) POSI SENº
(DTC 43)].
OK
cNG
Repair or replace throttle
position sensor.
1. Remove oil pan.
2. Check A/T fluid condition.
OK
cNG
1. Remove control valve
assembly. Refer to
AT-1124.
2. Check the following
items:
+Shift valve B
+Overrun clutch control
valve
+Shift solenoid valve B
+Pilot valve
+Pilot filter
3. Disassemble A/T.
4. Check the following
items:
+Servo piston assembly
+Brake band
+Torque converter
+Oil pump assembly
1. Remove control valve assembly. Refer
to AT-1124.
2. Check the following items:
+Shift valve B
+Overrun clutch control valve
+Shift solenoid valve B
+Pilot valve
+Pilot filter
OK
OK
b
Check again.
OK
cNG
1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin
terminals for damage or
loose connection with
harness connector.
INSPECTION END
SAT833HA
SAT222JA
SAT171B
.
.
.
.
. .
.
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-1108

15. A/T Does Not Perform Lock-up
SYMPTOM:
A/T does not perform lock-up at the specified speed.
Does self-diagnosis show damage to
torque converter clutch solenoid valve
after cruise test?
No
cYes
Check torque converter
clutch solenoid valve.
Refer to AT-1076.
Check accelerator position sensor. Refer
to EC section [TROUBLE DIAGNOSIS
FOR ªTHROTTLE (ACCEL) POSI SENº
(DTC 43)].
OK
cNG
Repair or replace throttle
position sensor.
1. Remove control valve. Refer to
AT-1124.
2. Check following items:
+Torque converter clutch control valve
+Torque converter relief valve
+Torque converter clutch solenoid valve
+Pilot valve
+Pilot filter
OK
cNG
Repair or replace dam-
aged parts.
Check again.
OK
cNG
1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin
terminals for damage or
loose connection with
harness connector.
INSPECTION END
SAT844H
SAT222JA
.
.
. .
.
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-1109

18. Engine Speed Does Not Return To Idle
(Light Braking D
4®D3)
SYMPTOM:
+Engine speed does not smoothly return to idle when A/T
shifts from D
4to D3.
+Vehicle does not decelerate by engine brake when turn-
ing overdrive control switch OFF.
+Vehicle does not decelerate by engine brake when shift-
ing A/T from ªDº to ª2º position.
Does self-diagnosis show damage to
overrun clutch solenoid valve circuit after
cruise test?
No
cYes
Check overrun clutch sole-
noid valve. Refer to
AT-1074.
Check accelerator position sensor. Refer
to EC section [TROUBLE DIAGNOSIS
FOR ªTHROTTLE (ACCEL) POSI SENº
(DTC 43)].
OK
cNG
Repair or replace throttle
position sensor.
1. Remove oil pan.
2. Check A/T fluid condition.
OK
cNG
1. Remove control valve
assembly. Refer to
AT-1124.
2. Check the following
items:
+Overrun clutch control
valve
+Overrun clutch reducing
valve
+Overrun clutch solenoid
valve
3. Disassemble A/T.
4. Check the following
items:
+Overrun clutch assembly
+Oil pump assembly
1. Remove control valve assembly. Refer
to AT-1124.
2. Check the following items:
+Overrun clutch control valve
+Overrun clutch reducing valve
+Overrun clutch solenoid valve
OK
OK
b
Check again.
OK
cNG
1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin
terminals for damage or
loose connection with
harness connector.
INSPECTION END
SAT836H
SAT222JA
SAT171B
.
.
.
. .
.
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-1111

19. Vehicle Does Not Start From D1
SYMPTOM:
Vehicle does not start from D1on Cruise test Ð Part 2.
Does self-diagnosis show damage to
vehicle speed sensorzA/T (revolution
sensor), shift solenoid valve A, B or
vehicle speed sensorzMTR after cruise
test?
No
cYes
Check damaged circuit.
Refer to AT-1064, 1066,
1070 or 1072.
Check again.
OK
cNG
1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin
terminals for damage or
loose connection with
harness connector.
Go to 8. Vehicle Cannot Be Started From
D
1, AT-1102.
SAT832H
. .
.
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-1112