NISSAN ALMERA N16 2001 Electronic Repair Manual

12. A/T Does Not Perform Lock-up=NJAT0342SYMPTOM:
A/T does not perform lock-up at the specified speed.
1 CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to torque converter clutch solenoid valve circuit after cruise test?
SAT346H
YesorNo
Ye s©Check torque converter clutch solenoid valve circuit. Refer to AT-157 (Except for Euro-
OBD)/AT-231 (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.
3 DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer to AT-343.
2. Check following items:
+Torque converter clutch control valve
+Torque converter relief valve
+Torque converter clutch solenoid valve
+Pilot valve
+Pilot filter
OK or NG
OK©GO TO 4.
NG©Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
12. A/T Does Not Perform Lock-up
AT-315

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.
TROUBLE DIAGNOSES FOR SYMPTOMS
12. A/T Does Not Perform Lock-up (Cont'd)
AT-316

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

14. Lock-up Is Not Released=NJAT0344SYMPTOM:
Lock-up is not released when accelerator pedal is released.
1 CHECK THROTTLE POSITION SWITCH CIRCUIT
With CONSULT-II
Does ªECU INPUT SIGNALSº in ªDATA MONITORº show damage to closed throttle position switch circuit?
Without CONSULT-II
Does self-diagnosis show damage to closed throttle position switch circuit?
SAT367J
YesorNo
Ye s©Check closed throttle position switch circuit. Refer to ª21. TCM Self-diagnosis Does Not
Activate (PNP, Overdrive Control and Throttle Position Switches Circuit Checks)º, AT-326.
No©GO TO 2.
2 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.
TROUBLE DIAGNOSES FOR SYMPTOMS
14. Lock-up Is Not Released
AT-319

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

16. Vehicle Does Not Start From D1NJAT0346SYMPTOM:
Vehicle does not start from D
1on Cruise test Ð Part 2.
1 CHECK SELF-DIAGNOSTIC RESULTS
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?
SAT934FA
YesorNo
Ye s©+Check damaged circuit. Refer to the following items.
Except for Euro-OBD
+VEHICLE SPEED SENSOR´A/T (REVOLUTION SENSOR): AT-124
+SHIFT SOLENOID VALVE A: AT-140
+SHIFT SOLENOID VALVE B: AT-146
+VHCL SPEED SEN´MTR VEHICLE SPEED SENSOR´MTR: AT-129
Euro-OBD
+VEHICLE SPEED SENSOR´A/T (REVOLUTION SENSOR): AT-193
+SHIFT SOLENOID VALVE A: AT-244
+SHIFT SOLENOID VALVE B: AT-250
+VHCL SPEED SEN´MTR VEHICLE SPEED SENSOR´MTR: AT-278
No©GO TO 2.
2 CHECK SYMPTOM
Check again.
OK or NG
OK©Go to 8. Vehicle Cannot Be Started From D
1, AT-303.
NG©1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.
TROUBLE DIAGNOSES FOR SYMPTOMS
16. Vehicle Does Not Start From D1
AT-322

17. A/T Does Not Shift: D4®D3, When
Overdrive Control Switch ªONº®ªOFFº
=NJAT0347SYMPTOM:
A/T does not shift from D
4to D3when changing overdrive
control switch to ªOFFº position.
1 CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
With CONSULT-II
Does ªECU INPUT SIGNALSº in ªDATA MONITORº show damage to overdrive control switch circuit?
Without CONSULT-II
Does self-diagnosis show damage to overdrive control switch circuit?
SAT344H
YesorNo
Ye s©Check overdrive control switch circuit. Refer to AT-323.
No©Go to 10. A/T Does Not Shift: D
2®D3, AT-309.
TROUBLE DIAGNOSES FOR SYMPTOMS
17. A/T Does Not Shift: D4®D3, When Overdrive Control Switch ªONº®ªOFFº
AT-323

18. A/T Does Not Shift: D3®22, When Selector
Lever ªDº®ª2º Position
=NJAT0348SYMPTOM:
A/T does not shift from D
3to 22when changing selector lever
from ªDº to ª2º position.
1 CHECK PNP SWITCH CIRCUIT
With CONSULT-II
Does ªECU INPUT SIGNALSº in ªDATA MONITORº show damage to PNP switch circuit?
Without CONSULT-II
Does self-diagnosis show damage to PNP switch circuit?
SAT367J
YesorNo
Ye s©Check PNP switch circuit. Refer to AT-326.
No©Go to 9. A/T Does Not Shift: D
1®D2or Does Not Kickdown: D4®D2, AT-306.
TROUBLE DIAGNOSES FOR SYMPTOMS
18. A/T Does Not Shift: D3®22, When Selector Lever ªDº®ª2º Position
AT-324