2001 NISSAN ALMERA N16 ECU

2. Engine Cannot Be Started In ªPº and ªNº
Position
=NJAT0332SYMPTOM:
+Engine cannot be started with selector lever in ªPº or ªNº
position.
+Engine can be started with selector lever in ªDº, ª2º, ª1º
or ªRº 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 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 PNP SWITCH INSPECTION
Check for short or open of PNP switch harness connector terminals 1 and 2.
Refer to ª21. TCM Self-diagnosis Does Not Activate (PNP, Overdrive Control and Throttle Position Switches Circuit
Checks)º, AT-326.
SAT408JA
OK or NG
OK©GO TO 3.
NG©Repair or replace PNP switch.
TROUBLE DIAGNOSES FOR SYMPTOMS
2. Engine Cannot Be Started In ªPº and ªNº Position
AT-291

4. In ªNº Position, Vehicle Moves=NJAT0334SYMPTOM:
Vehicle moves forward or backward when selecting ªNº posi-
tion.
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 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 CONTROL CABLE
Check control cable. Refer to AT-344.
SAT023JB
OK or NG
OK©GO TO 3.
NG©Adjust control cable. Refer to AT-344.
TROUBLE DIAGNOSES FOR SYMPTOMS
4. In ªNº Position, Vehicle Moves
AT-293

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-300, 303.
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-326.
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-124 (Except for
Euro-OBD), AT-193 (EURO-OBD) and AT-129 (Except for Euro-OBD), AT-278 (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-306

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-300, 303.
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-326.
No©GO TO 3.
3 CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to EC-168, 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-309

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

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

19. A/T Does Not Shift: 22®11, When Selector
Lever ª2º®ª1º Position
=NJAT0349SYMPTOM:
A/T does not shift from 2
2to 11when changing selector lever
from ª2º to ª1º 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 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.
SAT778B
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
19. A/T Does Not Shift: 22®11, When Selector Lever ª2º®ª1º Position
AT-325