NISSAN ALMERA N16 2003 Electronic Repair Manual

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-225
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
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 connector.
8.DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer to AT-406, "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Shift valve A
–Shift solenoid valve A (AT- 1 7 1 , "DTC P0750 SHIFT SOLENOID VALVE A" )
–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.
10. A/T Does Not Shift: D2→ D3ECS007QB
SYMPTOM:
A/T does not shift from D
2 to D3 at the specified speed.
1.CHECK SYMPTOM
Are 7. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position and 8. Vehicle Cannot Be Started From D
1
OK?
Ye s o r N o
Ye s > > G O T O 2
No >> Go to AT- 2 1 9 , "
7. Vehicle Does Not Creep Forward In “D”,“2” Or “1” Position" , AT- 2 2 1 , "8. Vehi-
cle Cannot Be Started From D1" .
2.CHECK PNP SWITCH CIRCUIT
With CONSULT-II
Does “TCM INPUT SIGNALS” in “DATA MONITOR” show damage to PNP switch circuit?
Without CONSULT-II
Does self-diagnosis show damage to PNP switch circuit?
Ye s o r N o
Yes >> Check PNP switch circuit. Refer to AT- 2 3 7 , "21. TCM
Self-diagnosis Does Not Activate (PNP & Overdrive
Control Switches, and Throttle Position Sensor Circuit
Checks)" .
No >> GO TO 3
SCIA0706E

AT-226
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
3. CHECK THROTTLE POSITION SENSOR*
*: This sensor means accelerator pedal position (APP) sensor.
Refer to AT- 1 8 1 , "
DTC P1705 ACCELERATOR PEDAL POSITION
(APP) SENSOR" .
OK or NG
OK >> GO TO 4
NG >> Repair or replace throttle position sensor.
4. CHECK A/T FLUID CONDITION
1. Remove oil pan, refer to AT- 4 0 6 , "
REMOVAL" .
2. Check A/T fluid condition.
OK or NG
OK >> GO TO 5
NG >> GO TO 7
5. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 6 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Shift valve B
–Shift solenoid valve B (AT-176, "DTC P0755 SHIFT SOLENOID VALVE B" )
–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 connector.
MCIB9006E
SAT171B

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-227
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
7.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 6 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Shift valve B
–Shift solenoid valve B (AT- 1 7 6 , "DTC P0755 SHIFT SOLENOID VALVE B" )
–Pilot valve
–Pilot filter
3. Disassemble A/T.
4. Check the following items:
–Servo piston assembly
–High clutch assembly
–Oil pump assembly
OK or NG
OK >> GO TO 6
NG >> Repair or replace damaged parts.
11. A/T Does Not Shift: D3→ D4ECS007QC
SYMPTOM:
●A/T does not shift from D3 to D4 at the specified speed.
●A/T must be warm before D3 to D4 shift will occur.
1.CHECK SYMPTOM
Are 7. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position and 8. Vehicle Cannot Be Started From D
1
OK?
Ye s o r N o
Ye s > > G O T O 2
No >> Go to AT- 2 1 9 , "
7. Vehicle Does Not Creep Forward In “D”,“2” Or “1” Position" , AT- 2 2 1 , "8. Vehi-
cle Cannot Be Started From D1" .
2.CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis, after cruise test, show damage to any of the following circuits?
●PNP switch
●Overdrive control switch
●A/T fluid temperature sensor
●Vehicle speed sensor·A/T (revolution sensor)
●Shift solenoid valve A or B
●Vehicle speed sensor·MTR
Ye s o r N o
Ye s > >●Check damaged circuit. Refer to the following items.
EURO-OBD
–AT- 1 2 3 , "DTC P0720 VEHICLE SPEED SENSOR A/T
(REVOLUTION SENSOR)"
–AT-171, "DTC P0750 SHIFT SOLENOID VALVE A"
–AT-176, "DTC P0755 SHIFT SOLENOID VALVE B"
–AT- 1 9 5 , "DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)"
–AT-201, "DTC VEHICLE SPEED SENSOR MTR"
–AT- 2 3 7 , "21. TCM Self-diagnosis Does Not Activate (PNP & Overdrive Control Switches, and
Throttle Position Sensor Circuit Checks)"
No >> GO TO 3
SCIA0771E

AT-228
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
3. CHECK THROTTLE POSITION SENSOR*
*: This sensor means accelerator pedal position (APP) sensor.
Refer to AT- 1 8 1 , "
DTC P1705 ACCELERATOR PEDAL POSITION
(APP) SENSOR" .
OK or NG
OK >> GO TO 4
NG >> Repair or replace throttle position sensor.
4. CHECK A/T FLUID CONDITION
1. Remove oil pan, refer to AT- 4 0 6 , "
REMOVAL" .
2. Check A/T fluid condition.
OK or NG
OK >> GO TO 5
NG >> GO TO 7
5. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 6 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Shift valve B
–Overrun clutch control valve
–Shift solenoid valve B
–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 connector.
MCIB9006E
SAT171B

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-229
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
7.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 6 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Shift valve B
–Overrun clutch control valve
–Shift solenoid valve B
–Pilot valve
–Pilot filter
3. Disassemble A/T.
4. Check the following items:
–Servo piston assembly
–Brake band
–Torque converter
–Oil pump assembly
OK or NG
OK >> GO TO 6
NG >> Repair or replace damaged parts.

AT-230
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
12. A/T Does Not Perform Lock-up
ECS007QD
SYMPTOM:
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 sole-
noid valve circuit after cruise test?
Ye s o r N o
Yes >> Check torque converter clutch solenoid valve circuit.
Refer to AT- 1 5 9 , "
DTC P0740 TORQUE CONVERTER
CLUTCH SOLENOID VALVE" .
No >> GO TO 2
2. CHECK THROTTLE POSITION SENSOR*
*: This sensor means accelerator pedal position (APP) sensor.
Refer to AT- 1 8 1 , "
DTC P1705 ACCELERATOR PEDAL POSITION
(APP) SENSOR" .
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- 4 0 6 , "
Control Valve Assembly and Accumulators" .
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.
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 connector.
SCIA0772E
MCIB9006E

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-231
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
13. A/T Does Not Hold Lock-up ConditionECS007QE
SYMPTOM:
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?
Ye s o r N o
Yes >> Check engine speed signal circuit. Refer to AT- 1 2 9 ,
"DTC P0725 ENGINE SPEED SIGNAL" .
No >> GO TO 2
2.CHECK A/T FLUID CONDITION
1. Remove oil pan, refer to AT- 4 0 6 , "
REMOVAL" .
2. Check A/T fluid condition.
OK or NG
OK >> GO TO 3
NG >> GO TO 5
3.DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 6 , "
Control Valve Assembly and Accumulators" .
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.
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 connector.
SCIA0773E
SAT171B

AT-232
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
5. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 6 , "
Control Valve Assembly and Accumulators" .
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.
14. Lock-up Is Not ReleasedECS007QF
SYMPTOM:
Lock-up is not released when accelerator pedal is released.
1. CHECK THROTTLE POSITION SENSOR* CIRCUIT
*: This sensor means accelerator pedal position (APP) sensor.
With CONSULT-II
Does “TCM INPUT SIGNALS” in “DATA MONITOR” show damage throttle position sensor circuit?
Without CONSULT-II
Does self-diagnosis show damage to throttle position sensor circuit?
Ye s o r N o
Yes >> Check throttle position sensor circuit. Refer to AT- 2 3 7 ,
"21. TCM Self-diagnosis Does Not Activate (PNP &
Overdrive Control Switches, and Throttle Position Sen-
sor Circuit Checks)" .
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 connector.
SCIA0706E

TROUBLE DIAGNOSES FOR SYMPTOMS
AT-233
[EURO-OBD]
D
E
F
G
H
I
J
K
L
MA
B
AT
15. Engine Speed Does Not Return To Idle (Light Braking D4→ D3 )ECS007QG
SYMPTOM:
●Engine speed does not smoothly return to idle when A/T shifts from D4 to 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 “D” to “2” position.
1.CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to overrun clutch solenoid valve
circuit after cruise test?
Ye s o r N O
Yes >> Check overrun clutch solenoid valve circuit. Refer to AT-
187, "DTC P1760 OVERRUN CLUTCH SOLENOID
VA LV E" .
No >> GO TO 2
2.CHECK THROTTLE POSITION SENSOR*
*: This sensor means accelerator pedal position (APP) sensor.
Refer to AT- 1 8 1 , "
DTC P1705 ACCELERATOR PEDAL POSITION
(APP) SENSOR" .
OK or NG
OK >> GO TO 3
NG >> Repair or replace accelerator pedal position (APP) sen-
sor. (AT- 1 8 1 , "
DTC P1705 ACCELERATOR PEDAL
POSITION (APP) SENSOR" )
3.CHECK A/T FLUID CONDITION
1. Remove oil pan, refer to AT- 4 0 6 , "
REMOVAL" .
2. Check A/T fluid condition.
OK or NG
OK >> GO TO 4
NG >> GO TO 6
SCIA0774E
MCIB9006E
SAT171B

AT-234
[EURO-OBD]
TROUBLE DIAGNOSES FOR SYMPTOMS
4. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 6 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Overrun clutch control valve
–Overrun clutch reducing valve
–Overrun clutch solenoid valve (AT-187, "DTC P1760 OVERRUN CLUTCH SOLENOID VALVE" )
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 connector.
6. DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT- 4 0 6 , "
Control Valve Assembly and Accumulators" .
2. Check the following items:
–Overrun clutch control valve
–Overrun clutch reducing valve
–Overrun clutch solenoid valve (AT-187, "DTC P1760 OVERRUN CLUTCH SOLENOID VALVE" )
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.
16. Vehicle Does Not Start From D1ECS007QH
SYMPTOM:
Vehicle does not start from D
1 on Cruise test — Part 2.
1. CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to vehicle speed sensor·A/T (rev-
olution sensor), shift solenoid valve A, B or vehicle speed sen-
sor·MTR after cruise test?
Ye s o r N o
Ye s > >●Check damaged circuit. Refer to the following items.
EURO-OBD
–AT- 1 2 3 , "DTC P0720 VEHICLE SPEED SENSOR A/T
(REVOLUTION SENSOR)"
–AT- 1 7 1 , "DTC P0750 SHIFT SOLENOID VALVE A"
–AT- 1 7 6 , "DTC P0755 SHIFT SOLENOID VALVE B"
–AT- 2 0 1 , "DTC VEHICLE SPEED SENSOR MTR"
No >> GO TO 2
SCIA0775E