Nissan Terrano model r20 series 2004. Manual — part 230
8. Large Shock. “N”
→
“R” Position
SYMPTOM:
There is large shock when changing from “N” to “R” 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
E
Yes
Check damaged circuit.
Refer to AT-62, AT-78 or
AT-86.
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.
Check line pressure at idle with selector
lever in “D” position. Refer to “Line Pres-
sure Test”, AT-30.
OK
E
NG
1. Remove control valve
assembly. Refer to
AT-118.
2. Check the following
items:
I
Valves to control line
pressure (Pressure regu-
lator valve, pressure
modifier valve, pilot valve
and pilot filter)
I
Line pressure solenoid
valve
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
SAT831HA
NAT262
SAT494G
H
H
H
H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-104
9. Vehicle Does Not Creep Backward In “R”
Position
SYMPTOM:
Vehicle does not creep backward when selecting “R” position.
Check A/T fluid level again.
OK
E
NG
Refill ATF.
q
A
NG in both “1”
and “R” positions
Check stall revolution with selector
lever in “1” and “R” positions.
OK
OK in “1” position
NG in “R” position
E
1. Remove control valve
assembly. Refer to AT-118.
2. Check the following items:
I
Valves to control line pres-
sure (Pressure regulator
valve, pressure modifier
valve, pilot valve and pilot
filter)
I
Line pressure solenoid valve
3. Disassemble A/T.
4. Check the following items:
I
Oil pump assembly
I
Torque converter
I
Reverse clutch assembly
I
High clutch assembly
I
Low & reverse brake assem-
bly
I
Low one-way clutch
1. Remove control valve
assembly. Refer to AT-118.
2. Check the following items:
I
Valves to control line pres-
sure (Pressure regulator
valve, pressure modifier
valve, pilot valve and pilot
filter)
I
Line pressure solenoid valve
3. Disassemble A/T.
4. Check the following items:
I
Oil pump assembly
I
Torque converter
I
Reverse clutch assembly
I
High clutch assembly
Check line pressure at idle with
selector lever in “R” position. Refer to
“Line Pressure Test”, AT-30.
OK
E
NG
1. Remove control valve
assembly. Refer to AT-118.
2. Check the following items:
I
Valves to control line pres-
sure (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.
NG
OK
q
A
Check again.
OK
E
NG
1. Perform TCM input/output
signal inspection.
2. If NG, recheck TCM pin ter-
minals for damage or loose
connection with harness con-
nector.
INSPECTION END
SAT638A
SAT493G
SAT494G
SAT171B
H
H
H
H
H
H
H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-105
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-118.
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-118.
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-106
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-105.
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-52, AT-56,
AT-65 or AT-68.
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-118.
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-118.
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-107
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