2001 NISSAN ALMERA o2 sensor

HATCHBACK MODELSNJAT0324S01
HAT144
DTC VHCL SPEED SEN´MTR VEHICLE SPEED SENSOR´MTREURO-OBD
Wiring Diagram Ð AT Ð VSSMTR (Cont'd)
AT-284

Diagnostic ProcedureNJAT0325
1 CHECK INPUT SIGNAL
With CONSULT-II
1. Start engine.
2. Select ªECU INPUT SIGNALSº in ªDATA MONITORº mode for ªA/Tº with CONSULT-II.
3. Read out the value of ªVHCL/S SE´MTRº while driving.
Check the value changes according to driving speed.
SAT614J
Without CONSULT-II
1. Start engine.
2. Check voltage between TCM terminal 40 and ground while driving at 2 to 3 km/h (1 to 2 MPH) for1m(3ft)ormore.
Voltage:
Voltage varies between less than 1V and more than 4.5V.
SAT465JB
OK or NG
OK©GO TO 2.
NG©Check the following items:
+Vehicle speed sensor and ground circuit for vehicle speed sensor
Refer to EL-144, ªMETERS AND GAUGESº.
+Harness for short or open between TCM and vehicle speed sensor (Main harness)
2 CHECK DTC
Perform Diagnostic Trouble Code (DTC) confirmation procedure, AT-282.
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.
DTC VHCL SPEED SEN´MTR VEHICLE SPEED SENSOR´MTREURO-OBD
Diagnostic Procedure
AT-285

5. Large Shock. ªNº®ªRº Position=NJAT0335SYMPTOM:
There is large shock when changing from ªNº to ªRº position.
1 CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to A/T fluid temperature sensor, line pressure solenoid valve or throttle position sensor
circuit?
SAT345HA
YesorNo
Ye s©+Check damaged circuit. Refer to the following items.
General and except for Euro-OBD
+LINE PRESSURE SOLENOID VALVE: AT-176
+THROTTLE POSITION SENSOR: AT-134
+BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER
SOURCE: AT-165
Euro-OBD
+LINE PRESSURE SOLENOID VALVE: AT-239
+THROTTLE POSITION SENSOR: AT-258
+BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM POWER
SOURCE: AT-274
No©GO TO 2.
2 CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to EC-207, ªDTC P0120 THROTTLE POSITION SENSORº.
SAT004K
OK or NG
OK©GO TO 3.
NG©Repair or replace throttle position sensor.
TROUBLE DIAGNOSES FOR SYMPTOMS
5. Large Shock. ªNº®ªRº Position
AT-303

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

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

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