Nissan Terrano r20e. Manual — part 26
10. Vehicle Does Not Creep Forward In “D”, “2”
Or “1” Position
SYMPTOM:
Vehicle does not creep forward when selecting “D”, “2” or “1”
position.
Check A/T fluid level again.
OK
E
NG
Refill ATF.
q
A
Check stall revolution with selector lever in
“D” position. Refer to “STALL TEST”, AT-27.
OK
E
NG
1. Remove control valve
assembly. Refer to
AT-113.
2. Check the following
items:
I
Valves to control line
pressure (Pressure
regulator valve, pres-
sure modifier valve,
pilot valve and pilot
filter)
I
Line pressure sole-
noid valve
3. Disassemble A/T.
4. Check the following
items:
I
Oil pump assembly
I
Forward clutch
assembly
I
Forward one-way
clutch
I
Low one-way clutch
I
Low & reverse brake
assembly
I
Torque converter
Check line pressure at idle with selector
lever in “D” position. Refer to “Line Pressure
Test”, AT-30.
OK
NG
1. Remove control valve assembly.
Refer to AT-113.
2. Check the following items:
I
Valves to control line pressure
(Pressure regulator valve, pressure
modifier valve, pilot valve and pilot
filter)
I
Line pressure solenoid valve
3. Disassemble A/T.
4. Check the following item:
I
Oil pump assembly
1. Remove oil pan.
2. Check A/T fluid condition.
OK
E
NG
q
A
Check again.
OK
E
NG
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
H
H
H
H
H
H
H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-101
11. Vehicle Cannot Be Started From D
1
SYMPTOM:
Vehicle cannot be started from D
1
on Cruise test — Part 1.
Is 9. Vehicle Does Not Creep Backward In
“R” Position OK?
Yes
E
No
Go to 9. Vehicle Does Not
Creep Backward In “R”
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
E
Yes
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 “THROTTLE (ACCEL)
POSI SEN”].
OK
E
NG
Repair or replace throttle
(accelerator) position sen-
sor.
Check line pressure at stall point with
selector lever in “D” position. Refer to
“Line Pressure Test”, AT-30.
OK
E
NG
1. Remove control valve
assembly. Refer to
AT-113.
2. Check the following
items:
I
Shift valve A
I
Shift valve B
I
Shift solenoid valve A
I
Shift solenoid valve B
I
Pilot valve
I
Pilot filter
3. Disassemble A/T.
4. Check the following
items:
I
Forward clutch assembly
I
Forward one-way clutch
I
Low one-way clutch
I
High clutch assembly
I
Torque converter
I
Oil pump assembly
1. Remove oil pan.
2. Check A/T fluid condition.
OK
E
NG
1. Remove control valve assembly. Refer
to AT-113.
2. Check the following items:
I
Shift valve A
I
Shift valve B
I
Shift solenoid valve A
I
Shift solenoid valve B
I
Pilot valve
I
Pilot filter
OK
F
OK
Check again.
OK
E
NG
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: D
1
→
D
2
Or Does Not
Kickdown: D
4
→
D
2
SYMPTOM:
A/T does not shift from D
1
to D
2
at the specified speed.
A/T does not shift from D
4
to D
2
when depressing accelerator
pedal fully at the specified speed.
Are 10. Vehicle Does Not Creep Forward
In “D”, “2” Or “1” Position and 11. Vehicle
Cannot Be Started From D
1
OK?
Yes
E
No
Go to 10. Vehicle Does
Not Creep Forward In “D”,
“2” Or “1” Position and 11.
Vehicle Cannot Be Started
From D
1
Does “ECU INPUT SIGNALS” in
Data Monitor show damage to park/
neutral position switch circuit?
----------------------------------------------------------------------------------------------------------------------- OR -----------------------------------------------------------------------------------------------------------------------
Does self-diagnosis show damage to
park/neutral position switch circuit?
No
E
Yes
Check park/neutral position
switch. Refer to AT-92.
Check vehicle speed sensor
⋅
A/T (revolu-
tion sensor) and vehicle speed
sensor
⋅
OK
E
NG
Repair or replace vehicle
speed sensor
⋅
A/T (revolu-
tion sensor) and vehicle
speed sensor
⋅
MTR. Refer
Check throttle (accelerator) position sen-
sor. Refer to EC section [TROUBLE
DIAGNOSIS FOR “THROTTLE (ACCEL)
POSI SEN” (DTC 43)].
OK
E
NG
Repair or replace throttle
(accelerator) position sen-
sor.
1. Remove oil pan.
2. Check A/T fluid condition.
OK
E
NG
1. Remove control valve.
Refer to AT-113.
2. Check the following
items:
I
Shift valve A
I
Shift solenoid valve A
I
Pilot valve
I
Pilot filter
3. Disassemble A/T.
4. Check the following
items:
I
Servo piston assembly
I
Brake band
I
Oil pump assembly
1. Remove control valve. Refer to AT-113.
2. Check the following items:
I
Shift valve A
I
Shift solenoid valve A
I
Pilot valve
I
Pilot filter
OK
F
OK
Check again.
OK
E
NG
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: D
2
→
D
3
SYMPTOM:
A/T does not shift from D
2
to D
3
at the specified speed.
Are 10. Vehicle Does Not Creep Forward
In “D”, “2” Or “1” Position and 11. Vehicle
Cannot Be Started From D
1
OK?
Yes
E
No
Go to 10. Vehicle Does
Not Creep Forward In “D”,
“2” Or “1” Position and 11.
Vehicle Cannot Be Started
From D
1
Does “ECU INPUT SIGNALS” in
Data Monitor show damage to park/
neutral position switch circuit?
----------------------------------------------------------------------------------------------------------------------- OR -----------------------------------------------------------------------------------------------------------------------
Does self-diagnosis show damage to
park/neutral position switch circuit?
No
E
Yes
Check park/neutral position
switch. Refer to AT-92.
Check throttle (accelerator) position sen-
sor. Refer to EC section [TROUBLE
DIAGNOSIS FOR “THROTTLE (ACCEL)
POSI SEN”].
OK
E
NG
Repair or replace throttle
(accelerator) position sen-
sor.
1. Remove oil pan.
2. Check A/T fluid condition.
OK
E
NG
1. Remove control valve
assembly. Refer to
AT-113.
2. Check the following
items:
I
Shift valve B
I
Shift solenoid valve B
I
Pilot valve
I
Pilot filter
3. Disassemble A/T.
4. Check the following
items:
I
Servo piston assembly
I
High clutch assembly
I
Oil pump assembly
1. Remove control valve assembly. Refer
to AT-113.
2. Check the following items:
I
Shift valve B
I
Shift solenoid valve B
I
Pilot valve
I
Pilot filter
OK
OK
F
Check again.
OK
E
NG
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
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