NISSAN ALMERA 2001 Service Manual

3 CHECK LINE PRESSURE
Check line pressure at idle with selector lever in ªDº position. Refer to ªLine Pressure Test º, AT-84.
SAT494G
OK or NG
OK©GO TO 4.
NG©1. Remove control valve assembly. Refer to AT-351.
2. Check the following items:
+Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot
valve and pilot filter)
+Line pressure solenoid valve (AT-176: General and except for Euro-OBD/AT-239:
Euro-OBD)
3. Disassemble A/T.
4. Check the following item:
+Oil pump assembly
4 CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
SAT171B
OK or NG
OK©GO TO 5.
NG©GO TO 6.
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.
TROUBLE DIAGNOSES FOR SYMPTOMS
7. Vehicle Does Not Creep Forward In ªDº, ª2º Or ª1º Position (Cont'd)
AT-309

6 DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-351.
2. Check the following items:
+Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot filter)
+Line pressure solenoid valve (AT-176: General and except for Euro-OBD/AT-239: Euro-OBD)
3. Disassemble A/T.
4. Check the following items:
+Oil pump assembly
+Forward clutch assembly
+Forward one-way clutch
+Low one-way clutch
+Low & reverse brake assembly
+Torque converter
OK or NG
OK©GO TO 5.
NG©Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
7. Vehicle Does Not Creep Forward In ªDº, ª2º Or ª1º Position (Cont'd)
AT-310

8. Vehicle Cannot Be Started From D1=NJAT0338SYMPTOM:
Vehicle cannot be started from D
1on Cruise test Ð Part 1.
1 CHECK SYMPTOM
Is 6. Vehicle Does Not Creep Backward In ªRº Position OK?
YesorNo
Ye s©GO TO 2.
No©Go to 6. Vehicle Does Not Creep Backward In ªRº Position, AT-305.
2 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?
SAT934FB
YesorNo
Ye s©+Check damaged circuit. Refer to the following items.
General and except for Euro-OBD
+VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR): AT-126
+SHIFT SOLENOID VALVE A: AT-142
+SHIFT SOLENOID VALVE B: AT-148
+VHCL SPEED SEN´MTR VEHICLE SPEED SENSOR´MTR: AT-131
Euro-OBD
+VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR): AT-195
+SHIFT SOLENOID VALVE A: AT-246
+SHIFT SOLENOID VALVE B: AT-252
+VHCL SPEED SEN´MTR VEHICLE SPEED SENSOR´MTR: AT-281
No©GO TO 3.
TROUBLE DIAGNOSES FOR SYMPTOMS
8. Vehicle Cannot Be Started From D1
AT-311

3 CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to EC-207, ªDTC P0120 THROTTLE POSITION SENSORº.
SAT004K
OK or NG
OK©GO TO 4.
NG©Repair or replace throttle position sensor.
4 CHECK LINE PRESSURE
Check line pressure at stall point with selector lever in ªDº position. Refer to ªLine Pressure Testº, AT-84.
SAT494G
OK or NG
OK©GO TO 5.
NG©GO TO 8.
5 CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
SAT171B
OK or NG
OK©GO TO 6.
NG©GO TO 8.
TROUBLE DIAGNOSES FOR SYMPTOMS
8. Vehicle Cannot Be Started From D1(Cont'd)
AT-312

6 DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-351.
2. Check the following items:
+Shift valve A
+Shift valve B
+Shift solenoid valve A
+Shift solenoid valve B
+Pilot valve
+Pilot filter
OK or NG
OK©GO TO 7.
NG©Repair or replace damaged parts.
7 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.
8 DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-351.
2. Check the following items:
+Shift valve A
+Shift valve B
+Shift solenoid valve A
+Shift solenoid valve B
+Pilot valve
+Pilot filter
3. Disassemble A/T.
4. Check the following items:
+Forward clutch assembly
+Forward one-way clutch
+Low one-way clutch
+High clutch assembly
+Torque converter
+Oil pump assembly
OK or NG
OK©GO TO 7.
NG©Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
8. Vehicle Cannot Be Started From D1(Cont'd)
AT-313

9. A/T Does Not Shift: D1®D2Or Does Not
Kickdown: D
4®D2=NJAT0339SYMPTOM:
A/T does not shift from D
1to D2at the specified speed.
A/T does not shift from D
4to D2when depressing accelerator
pedal fully at the specified speed.
1 CHECK SYMPTOM
Are 7. Vehicle Does Not Creep Forward In ªDº, ª2º Or ª1º Position and 8. Vehicle Cannot Be Started From D1OK?
YesorNo
Ye s©GO TO 2.
No©Go to 7. Vehicle Does Not Creep Forward In ªDº, ª2º Or ª1º Position and 8. Vehicle Can-
not Be Started From D
1, AT-308, 311.
2 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 ª21. TCM Self-diagnosis Does Not Activate (PNP,
Overdrive Control and Throttle Position Switches Circuit Checks)º, AT-334.
No©GO TO 3.
3 CHECK VEHICLE SPEED SENSOR´A/T (REVOLUTION SENSOR) AND CHECK VEHICLE SPEED
SENSOR´MTR CIRCUIT
Check vehicle speed sensor´A/T (revolution sensor) and vehicle speed sensor´MTR circuit. Refer to AT-126 (General and
except for Euro-OBD), AT-195 (EURO-OBD) and AT-131 (General and except for Euro-OBD), AT-281 (EURO-OBD).
OK or NG
OK©GO TO 4.
NG©Repair or replace vehicle speed sensor´A/T (revolution sensor) and vehicle speed
sensor´MTR circuits.
TROUBLE DIAGNOSES FOR SYMPTOMS
9. A/T Does Not Shift: D1®D2Or Does Not Kickdown: D4®D2
AT-314

4 CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to EC-207, ªDTC P0120 THROTTLE POSITION SENSORº.
SAT004K
OK or NG
OK©GO TO 5.
NG©Repair or replace throttle position sensor.
5 CHECK A/T FLUID CONIDITION
1. Remove oil pan.
2. Check A/T fluid condition.
SAT171B
OK or NG
OK©GO TO 6.
NG©GO TO 8.
6 DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer to AT-351.
2. Check the following items:
+Shift valve A
+Shift solenoid valve A (AT-142: General and except for Euro-OBD/AT-246: Euro-OBD)
+Pilot valve
+Pilot filter
OK or NG
OK©GO TO 7.
NG©Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
9. A/T Does Not Shift: D1®D2Or Does Not Kickdown: D4®D2(Cont'd)
AT-315

7 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.
8 DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer to AT-351.
2. Check the following items:
+Shift valve A
+Shift solenoid valve A (AT-142: General and except for Euro-OBD/AT-246: Euro-OBD)
+Pilot valve
+Pilot filter
3. Disassemble A/T.
4. Check the following items:
+Servo piston assembly
+Brake band
+Oil pump assembly
OK or NG
OK©GO TO 7.
NG©Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
9. A/T Does Not Shift: D1®D2Or Does Not Kickdown: D4®D2(Cont'd)
AT-316

10. A/T Does Not Shift: D2®D3=NJAT0340SYMPTOM:
A/T does not shift from D
2to D3at the specified speed.
1 CHECK SYMPTOM
Are 7. Vehicle Does Not Creep Forward In ªDº, ª2º Or ª1º Position and 8. Vehicle Cannot Be Started From D1OK?
YesorNo
Ye s©GO TO 2.
No©Go to 7. Vehicle Does Not Creep Forward In ªDº, ª2º Or ª1º Position and 8. Vehicle Can-
not Be Started From D
1, AT-308, 311.
2 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 ª21. TCM Self-diagnosis Does Not Activate (PNP,
Overdrive Control and Throttle Position Switches Circuit Checks)º, AT-334.
No©GO TO 3.
3 CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to EC-207, ªDTC P0120 THROTTLE POSITION SENSORº.
SAT004K
OK or NG
OK©GO TO 4.
NG©Repair or replace throttle position sensor.
TROUBLE DIAGNOSES FOR SYMPTOMS
10. A/T Does Not Shift: D2®D3
AT-317

4 CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
SAT171B
OK or NG
OK©GO TO 5.
NG©GO TO 7.
5 DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-351.
2. Check the following items:
+Shift valve B
+Shift solenoid valve B (AT-148: General and except for Euro-OBD/AT-252: Euro-OBD)
+Pilot valve
+Pilot filter
OK or NG
OK©GO TO 6.
NG©Repair or replace damaged parts.
6 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
10. A/T Does Not Shift: D2®D3(Cont'd)
AT-318