2001 NISSAN ALMERA N16 Clutch

13. A/T Does Not Hold Lock-up Condition=NJAT0343SYMPTOM:
A/T does not hold lock-up condition for more than 30 seconds.
1 CHECK DIAGNOSTIC RESULTS
Does self-diagnosis show damage to engine speed signal circuit after cruise test?
SAT347H
YesorNo
Ye s©Check engine speed signal circuit. Refer to AT-170 (Except for Euro-OBD)/AT-198 (Euro-
OBD).
No©GO TO 2.
2 CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
SAT171B
OK or NG
OK©GO TO 3.
NG©GO TO 5.
3 DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-343.
2. Check the following items:
+Torque converter clutch control valve
+Pilot valve
+Pilot filter
OK or NG
OK©GO TO 4.
NG©Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
13. A/T Does Not Hold Lock-up Condition
AT-317

4 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.
5 DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-343.
2. Check the following items:
+Torque converter clutch control valve
+Pilot valve
+Pilot filter
3. Disassemble A/T.
4. Check torque converter and oil pump assembly.
OK or NG
OK©GO TO 4.
NG©Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
13. A/T Does Not Hold Lock-up Condition (Cont'd)
AT-318

15. Engine Speed Does Not Return To Idle
(Light Braking D
4®D3)=NJAT0345SYMPTOM:
+Engine speed does not smoothly return to idle when A/T
shifts from D
4to D3.
+Vehicle does not decelerate by engine brake when turning
overdrive control switch OFF.
+Vehicle does not decelerate by engine brake when shifting
A/T from ªDº to ª2º position.
1 CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to overrun clutch solenoid valve circuit after cruise test?
SAT348H
YesorNO
Ye s©Check overrun clutch solenoid valve circuit. Refer to AT-152 (Except for Euro-OBD)/AT-
265 (Euro-OBD).
No©GO TO 2.
2 CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to EC-168, ªDTC P0120 THROTTLE POSITION SENSORº.
SAT004K
OK or NG
OK©GO TO 3.
NG©Repair or replace throttle position sensor. (AT-132: Except for Euro-OBD/AT-256: Euro-
OBD)
TROUBLE DIAGNOSES FOR SYMPTOMS
15. Engine Speed Does Not Return To Idle (Light Braking D4®D3)
AT-320

3 CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
SAT171B
OK or NG
OK©GO TO 4.
NG©GO TO 6.
4 DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-343.
2. Check the following items:
+Overrun clutch control valve
+Overrun clutch reducing valve
+Overrun clutch solenoid valve (AT-152: Except for Euro-OBD/AT-265: Euro-OBD)
OK or NG
OK©GO TO 5.
NG©Repair or replace damaged parts.
5 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.
6 DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-343.
2. Check the following items:
+Overrun clutch control valve
+Overrun clutch reducing valve
+Overrun clutch solenoid valve (AT-152: Except for Euro-OBD/AT-265: Euro-OBD)
3. Disassemble A/T.
4. Check the following items:
+Overrun clutch assembly
+Oil pump assembly
OK or NG
OK©GO TO 5.
NG©Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
15. Engine Speed Does Not Return To Idle (Light Braking D4®D3) (Cont'd)
AT-321

NJAT0120
SAT049K
1. Drain ATF through drain plug.
SAT008D
2. Remove torque converter.
SAT009D
3. Check torque converter one-way clutch using check tool as
shown at left.
a. Insert check tool into the groove of bearing support built into
one-way clutch outer race.
b. While fixing bearing support with check tool, rotate one-way
clutch spline using flat-bladed screwdriver.
c. Check inner race rotates clockwise only. If not, replace torque
converter assembly.
SAT586H
4. Remove oil charging pipe and oil cooler tube.
DISASSEMBLY
AT-354

SAT023JB
5. Set manual shaft to ªPº position.
6. Remove PNP switch.
SAT128E
7. Remove oil pan and oil pan gasket.
+Do not reuse oil pan bolts.
8. Check foreign materials in oil pan to help determine cause of
malfunction. If the fluid is very dark, smells burned, or contains
foreign particles, the frictional material (clutches, band) may
need replacement. A tacky film that will not wipe clean indi-
cates varnish build up. Varnish can cause valves, servo, and
clutches to stick and may inhibit pump pressure.
+If frictional material is detected, replace radiator after
repair of A/T. Refer to LC-16, section ªRadiatorº.
9. Remove control valve assembly according to the following pro-
cedures.
AAT260A
a. Remove control valve assembly mounting bolts A, B and C.
DISASSEMBLY
AT-355

SAT037DA
28. Remove brake band according to the following procedures.
a. Loosen lock nut, then back off anchor end pin.
+Do not reuse anchor end pin.
SAT038D
b. Remove brake band from transmission case.
SAT039D
+To prevent brake linings from cracking or peeling, do not
stretch the flexible band unnecessarily. When removing
the brake band, always secure it with a clip as shown in
the figure at left.
Leave the clip in position after removing the brake band.
SAT040D
c. Check brake band facing for damage, cracks, wear or burns.
SAT041D
29. Remove input shaft assembly (high clutch) and reverse clutch
according to the following procedures.
a. Remove input shaft assembly (high clutch) with reverse clutch.
DISASSEMBLY
AT-360

SAT042D
b. Remove input shaft assembly (high clutch) from reverse
clutch.
SAT043D
c. Remove needle bearing from high clutch drum.
d. Check input shaft assembly and needle bearing for damage or
wear.
SAT044D
30. Remove high clutch hub and needle bearing from transmission
case.
31. Check high clutch hub and needle bearing for damage or wear.
SAT579D
32. Remove front sun gear and needle bearings from transmission
case.
33. Check front sun gear and needle bearings for damage or wear.
SAT046D
34. Remove front planetary carrier assembly and low one-way
clutch according to the following procedures.
a. Remove snap ring using a screwdriver.
DISASSEMBLY
AT-361