air filter NISSAN TERRANO 2002 Service Repair Manual

8. Large Shock. ªNº®ªRº Position
SYMPTOM:
There is large shock when changing from ªNº to ªRº position.
Does self-diagnosis show damage to line
pressure solenoid valve or throttle (accel-
erator) position sensor, A/T fluid tempera-
ture sensor circuit?
No
EYe s
Check damaged circuit.
Refer to AT-60, AT-76 or
AT-84.
Check throttle (accelerator) position sen-
sor. Refer to EC section [TROUBLE
DIAGNOSIS FOR ªTHROTTLE (ACCEL)
POSI SENº (DTC 43)].
OK
ENG
Repair or replace throttle
(accelerator) position sen-
sor.
Check line pressure at idle with selector
lever in ªDº position. Refer to ªLine Pres-
sure Testº, AT-30.
OK
ENG
1. Remove control valve
assembly. Refer to
AT-113.
2. Check the following
items:
IValves to control line
pressure (Pressure regu-
lator valve, pressure
modifier valve, pilot valve
and pilot filter)
ILine pressure solenoid
valve
Check again.
OK
ENG
1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin
terminals for damage or
loose connection with
harness connector.
INSPECTION END
SAT831HA
NAT262
SAT494G
H
H
H H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-99

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?
Ye s
ENo
Go to 9. Vehicle Does Not
Creep Backward In ªRº
Position, AT-100.
Does self-diagnosis show damage to
vehicle speed sensor×A/T (revolution
sensor), shift solenoid valve A, B or
vehicle speed sensor×MTR after cruise
test?
No
EYe s
Check damaged circuit.
Refer to AT-50, AT-54,
AT-63 or AT-66.
Check throttle (accelerator) position sen-
sor. Refer to EC section [TROUBLE
DIAGNOSIS FOR ªTHROTTLE (ACCEL)
POSI SENº].
OK
ENG
Repair or replace throttle
(accelerator) position sen-
sor.
Check line pressure at stall point with
selector lever in ªDº position. Refer to
ªLine Pressure Testº, AT-30.
OK
ENG
1. Remove control valve
assembly. Refer to
AT-113.
2. Check the following
items:
IShift valve A
IShift valve B
IShift solenoid valve A
IShift solenoid valve B
IPilot valve
IPilot filter
3. Disassemble A/T.
4. Check the following
items:
IForward clutch assembly
IForward one-way clutch
ILow one-way clutch
IHigh clutch assembly
ITorque converter
IOil pump assembly
1. Remove oil pan.
2. Check A/T fluid condition.
OK
ENG
1. Remove control valve assembly. Refer
to AT-113.
2. Check the following items:
IShift valve A
IShift valve B
IShift solenoid valve A
IShift solenoid valve B
IPilot valve
IPilot filter
OKFOK
Check again.
OK
ENG
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
NAT262
SAT494G
SAT171B
H
H
H
H
H
H H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-102

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 accelerator
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?
Ye s
ENo
Go to 10. Vehicle Does
Not Creep Forward In ªDº,
ª2º Or ª1º Position and 11.
Vehicle Cannot Be Started
From D
1, AT-101, AT-102.
Does ªECU INPUT SIGNALSº in
Data Monitor show damage to park/
neutral position switch circuit?
-----------------------------------------------------------------------------------------------------------------------OR -----------------------------------------------------------------------------------------------------------------------
Does self-diagnosis show damage to
park/neutral position switch circuit?
No
EYe s
Check park/neutral position
switch. Refer to AT-92.
Check vehicle speed sensor×A/T (revolu-
tion sensor) and vehicle speed
sensor×MTR. Refer to AT-50, AT-54.
OK
ENG
Repair or replace vehicle
speed sensor×A/T (revolu-
tion sensor) and vehicle
speed sensor×MTR. Refer
to AT-50, AT-54.
Check throttle (accelerator) position sen-
sor. Refer to EC section [TROUBLE
DIAGNOSIS FOR ªTHROTTLE (ACCEL)
POSI SENº (DTC 43)].
OK
ENG
Repair or replace throttle
(accelerator) position sen-
sor.
1. Remove oil pan.
2. Check A/T fluid condition.
OK
ENG
1. Remove control valve.
Refer to AT-113.
2. Check the following
items:
IShift valve A
IShift solenoid valve A
IPilot valve
IPilot filter
3. Disassemble A/T.
4. Check the following
items:
IServo piston assembly
IBrake band
IOil pump assembly
1. Remove control valve. Refer to AT-113.
2. Check the following items:
IShift valve A
IShift solenoid valve A
IPilot valve
IPilot filter
OK
FOK
Check again.
OK
ENG
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
NAT262
SAT171B
H
H
H
H
H
H H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-103

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?
Ye s
ENo
Go to 10. Vehicle Does
Not Creep Forward In ªDº,
ª2º Or ª1º Position and 11.
Vehicle Cannot Be Started
From D
1, AT-101, AT-102.
Does ªECU INPUT SIGNALSº in
Data Monitor show damage to park/
neutral position switch circuit?
-----------------------------------------------------------------------------------------------------------------------OR -----------------------------------------------------------------------------------------------------------------------
Does self-diagnosis show damage to
park/neutral position switch circuit?
No
EYe s
Check park/neutral position
switch. Refer to AT-92.
Check throttle (accelerator) position sen-
sor. Refer to EC section [TROUBLE
DIAGNOSIS FOR ªTHROTTLE (ACCEL)
POSI SENº].
OK
ENG
Repair or replace throttle
(accelerator) position sen-
sor.
1. Remove oil pan.
2. Check A/T fluid condition.
OK
ENG
1. Remove control valve
assembly. Refer to
AT-113.
2. Check the following
items:
IShift valve B
IShift solenoid valve B
IPilot valve
IPilot filter
3. Disassemble A/T.
4. Check the following
items:
IServo piston assembly
IHigh clutch assembly
IOil pump assembly
1. Remove control valve assembly. Refer
to AT-113.
2. Check the following items:
IShift valve B
IShift solenoid valve B
IPilot valve
IPilot filter
OK
OK
F
Check again.
OK
ENG
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
NAT262
SAT171B
H
H
H
H
H H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-104

14. A/T Does Not Shift: D3®D4
SYMPTOM:
IA/T does not shift from D3to D4at the specified speed.
IA/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?
Ye s
ENo
Go to 10. Vehicle Does
Not Creep Forward In ªDº,
ª2º Or ª1º Position and 11.
Vehicle Cannot Be Started
From D
1, AT-101, AT-102.
Does self-diagnosis, after cruise test,
show damage to any of the following
circuits?
IPark/neutral position switch
IOverdrive control switch
IA/T fluid temperature sensor
IVehicle speed sensor×A/T (Revolu-
tion sensor)
IShift solenoid valve A or B
IVehicle speed sensor×MTR
No
EYe s
Check damaged circuit.
Refer to AT-50, AT-54,
AT-63, AT-66 or AT-88.
Check throttle (accelerator) position sen-
sor. Refer to EC section [TROUBLE
DIAGNOSIS FOR ªTHROTTLE (ACCEL)
POSI SENº].
OK
ENG
Repair or replace throttle
(accelerator) position sen-
sor.
1. Remove oil pan.
2. Check A/T fluid condition.
OK
ENG
1. Remove control valve
assembly. Refer to
AT-113.
2. Check the following
items:
IShift valve B
IOverrun clutch control
valve
IShift solenoid valve B
IPilot valve
IPilot filter
3. Disassemble A/T.
4. Check the following
items:
IServo piston assembly
IBrake band
ITorque converter
IOil pump assembly
1. Remove control valve assembly. Refer
to AT-113.
2. Check the following items:
IShift valve B
IOverrun clutch control valve
IShift solenoid valve B
IPilot valve
IPilot filter
OK
FOK
Check again.
OK
ENG
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
NAT262
SAT171B
H
H
H
H
H H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-105

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
EYe s
Check torque converter
clutch solenoid valve.
Refer to AT-72.
Check throttle (accelerator) position sen-
sor. Refer to EC section [TROUBLE
DIAGNOSIS FOR ªTHROTTLE (ACCEL)
POSI SENº].
OK
ENG
Repair or replace throttle
(accelerator) position sen-
sor.
1. Remove control valve. Refer to AT-113.
2. Check following items:
ITorque converter clutch control valve
ITorque converter relief valve
ITorque converter clutch solenoid valve
IPilot valve
IPilot filter
OK
ENG
Repair or replace dam-
aged parts.
Check again.
OK
ENG
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
NAT262
H
H
H H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-106

20. A/T Does Not Shift: D2®D1When
Depressing Accelerator Pedal
SYMPTOM:
A/T does not shift from D2to D1when depressing accelerator
pedal fully at the specified speed.
Are 9. Vehicle Does Not Creep
Backward In ªRº Position and 10.
Vehicle Does Not Creep Forward In
ªDº, ª2º Or ª1º Position OK?
Ye s
ENo
Go to 9. Vehicle Does Not
Creep Backward In ªRº Position
and 10. Vehicle Does Not Creep
Forward In ªDº, ª2º Or ª1º
Position, AT-100, AT-101.
Does ªECU INPUT SIGNALº
show damage to park/neutral
position switch circuit?
-----------------------------------------------------------------------------------------------------OR -----------------------------------------------------------------------------------------------------
Does self-diagnosis show dam-
age to park/neutral position
switch circuit?
No
EYe s
Check park/neutral position
switch. Refer to AT-88.
Check vehicle speed sensor×A/T
(revolution sensor) and vehicle
speed sensor×MTR. Refer to AT-50,
AT-54.
OK
ENG
Repair or replace vehicle speed
sensor×A/T (revolution sensor)
and vehicle speed sensor×MTR.
Check throttle (accelerator) position
sensor. Refer to EC section
[TROUBLE DIAGNOSIS FOR
ªTHROTTLE (ACCEL) POSI SENº
(DTC 43)].
OK
ENG
Repair or replace throttle (accel-
erator) position sensor.
1. Remove oil pan.
2. Check A/T fluid condition.
OK
ENG
1. Remove control valve. Refer
to AT-113.
2. Check the following items:
IShift valve A
IShift solenoid valve A
IPilot valve
IPilot filter
3. Disassemble A/T.
4. Check the following items:
IServo piston assembly
IBrake band
IOil pump assembly
1. Remove control valve. Refer to
AT-113.
2. Check the following items:
IShift valve A
IShift solenoid valve A
IPilot valve
IPilot filter
OKFOK
Check again.
OK
ENG
1. Perform TCM input/output
signal inspection.
2. If NG, recheck TCM pin termi-
nals for damage or loose con-
nection with harness connec-
tor.
INSPECTION END
SAT146BA
NAT262
SAT171B
H
H
H
H
H
H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-110

DISASSEMBLY
1. Remove solenoids.
a. Remove torque converter clutch solenoid valve and side plate
from lower body.
b. Remove O-ring from solenoid.
c. Remove line pressure solenoid valve from upper body.
d. Remove O-ring from solenoid.
e. Remove 3-unit solenoid assembly from upper body.
f. Remove O-rings from solenoids.
2. Disassemble upper and lower bodies.
a. Place upper body facedown, and remove bolts, reamer bolts
and support plates.
b. Remove lower body, separator plate and separate gasket as a
unit from upper body.
IBe careful not to drop pilot filter, orifice check valve, spring
and steel balls.
c. Place lower body facedown, and remove separate gasket and
separator plate.
d. Remove pilot filter, orifice check valve and orifice check spring.
SAT194B
SAT667A
SAT043G
SAT195B
SAT670A
REPAIR FOR COMPONENT PARTS
Control Valve Assembly (Cont'd)
AT-139

Pilot filter
ICheck to make sure that filter is not clogged or damaged.
Torque converter clutch solenoid valve
ICheck that filter is not clogged or damaged.
IMeasure resistance. Refer to ªComponent Inspectionº, AT-84.
Line pressure solenoid valve
ICheck that filter is not clogged or damaged.
IMeasure resistance. Refer to ªComponent Inspectionº, AT-86.
3-unit solenoid assembly (Overrun clutch solenoid
valve and shift solenoid valves A and B)
IMeasure resistance of each solenoid. Refer to ªComponent
Inspectionº, AT-64, AT-67, AT-70.
A/T fluid temperature sensor
IMeasure resistance. Refer to ªComponent Inspectionº, AT-78.
ASSEMBLY
1. Install upper and lower bodies.
a. Place oil circuit of upper body face up. Install steel balls in their
proper positions.
SAT676A
SAT149G
SAT095B
SAT169BA
SAT671A
REPAIR FOR COMPONENT PARTS
Control Valve Assembly (Cont'd)
AT-141

b. Install reamer bolts from bottom of upper body and install sepa-
rate gaskets.
c. Place oil circuit of lower body face up. Install orifice check
spring, orifice check valve and pilot filter.
d. Install lower separate gaskets and separator plates on lower
body.
e. Install and temporarily tighten support plates, fluid temperature
sensor and tube brackets.
f. Temporarily assemble lower and upper bodies, using reamer
bolt as a guide.
IBe careful not to dislocate or drop steel balls, orifice check
spring, orifice check valve and pilot filter.
SAT681A
SAT682A
SAT197B
SAT198B
REPAIR FOR COMPONENT PARTS
Control Valve Assembly (Cont'd)
AT-142