2003 NISSAN ALMERA N16 Timing

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
AT-285
[EXC.F/EURO-OBD]
D
E
F
G
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MA
B
AT
Sharp shock in shifting from “N” to “D”
position.ON vehicle1. Engine idling rpmEC-722, "
Idle Speed and
Ignition Timing"
2. Throttle position sensor Accelerator
pedal position (APP) sensor AdjustmentAT- 3 5 2 , "ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
3. Line pressure testAT- 2 6 5 , "Line Pressure
Te s t"
4. A/T fluid temp sen circ and TCM pow
sourAT- 3 7 7 , "
BATT/FLUID
TEMP SEN (A/T FLUID
TEMP SENSOR CIR-
CUIT AND TCM POWER
SOURCE)"
5. Engine speed signalAT- 3 8 3 , "ENGINE SPEED
SIGNAL"
6. Line pressure solenoid valveAT- 3 8 8 , "
LINE PRES-
SURE SOLENOID
VA LV E"
7. Control valve assemblyAT- 4 0 6 , "
Control Valve
Assembly and Accumula-
tors"
8. Accumulator N-DAT- 4 0 6 , "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle 9. Forward clutchAT- 4 6 4 , "Forward and
Overrun Clutches"
Vehicle will not run in “D” and “2” posi-
tions (but runs in “1” and “R” posi-
tions).ON vehicle 1. Control cable adjustmentAT- 4 0 8 , "
Control Cable
Adjustment"
OFF vehicle 2. Low one-way clutchAT- 4 1 3 , "
OVERHAUL",
AT- 4 1 7 , "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
Vehicle will not run in “D”, “1”, “2” posi-
tions (but runs in “R” position). Clutch
slips. Very poor acceleration.
AT-316, "
7. Vehicle Does Not Creep
Forward In “D”,“2” Or “1” Position"
ON vehicle1. Fluid levelAT- 2 6 1 , "
FLUID LEVEL
CHECK"
2. Line pressure testAT- 2 6 5 , "Line Pressure
Te s t"
3. Line pressure solenoid valveAT- 3 8 8 , "
LINE PRES-
SURE SOLENOID
VA LV E"
4. Control valve assemblyAT- 4 0 6 , "
Control Valve
Assembly and Accumula-
tors"
5. Accumulator N-DAT- 4 0 6 , "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle6. Reverse clutch AT- 4 5 5 , "
Reverse Clutch"
7. High clutchAT- 4 5 9 , "High Clutch"
8. Forward clutchAT- 4 6 4 , "Forward and
Overrun Clutches"
9. Forward one-way clutchAT- 4 1 3 , "OVERHAUL"
10. Low one-way clutchAT- 4 1 3 , "
OVERHAUL",
AT- 4 1 7 , "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
Symptom Condition Diagnostic Item Reference Page

AT-286
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Clutches or brakes slip somewhat in
starting.ON vehicle1. Fluid levelAT-261, "
FLUID LEVEL
CHECK"
2. Control cable adjustmentAT-408, "Control Cable
Adjustment"
3. Throttle position sensor (Accelerator
pedal position (APP) sensor)AT-352, "ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
4. Line pressure testAT-265, "Line Pressure
Te s t"
5. Line pressure solenoid valveAT-388, "
LINE PRES-
SURE SOLENOID
VA LV E"
6. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
7. Accumulator N-DAT-406, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle8. Forward clutchAT-464, "
Forward and
Overrun Clutches"
9. Reverse clutchAT-455, "Reverse Clutch"
10. Low & reverse brakeAT-470, "Low & Reverse
Brake"
11. Oil pumpAT-435, "Oil Pump"
12. Torque converterAT-417, "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
Excessive creep. ON vehicle 1. Engine idling rpmEC-722, "Idle Speed and
Ignition Timing"
No creep at all.
AT- 3 1 3 , "
6. Vehicle Does Not Creep
Backward In “R” Position" and AT-
316, "7. Vehicle Does Not Creep For-
ward In “D”,“2” Or “1” Position"
ON vehicle1. Fluid levelAT-261, "
FLUID LEVEL
CHECK"
2. Line pressure testAT-265, "Line Pressure
Te s t"
3. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle4. Forward clutchAT-464, "
Forward and
Overrun Clutches"
5. Oil pumpAT-435, "Oil Pump"
6. Torque converterAT-417, "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
Symptom Condition Diagnostic Item Reference Page

AT-288
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Too high a gear change point from “D1
” to “D2 ”, from “D2 ” to “D3 ”, from “D3
” to “D4 ”.
AT- 3 2 0 , "
9. A/T Does Not Shift: D1→
D2 Or Does No t K ick down : D4→ D2",
AT- 3 2 2 , "
1 0 . A /T D o e s N o t S h i f t: D2→
D3" and AT- 3 2 4 , "11. A/T Does Not
Shift: D3→ D4"
ON vehicle1.Throttle position sensor (Accelerator
pedal position (APP) sensor)AT-352, "
ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
2. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTRAT-343, "
VEHICLE
SPEED SENSOR - A/T
(REVOLUTION SEN-
SOR)",AT-348, "DTC
VEHICLE SPEED SEN-
SOR MTR"
3. Shift solenoid valve AAT-357, "SHIFT SOLE-
NOID VALVE A"
4. Shift solenoid valve BAT-362, "SHIFT SOLE-
NOID VALVE B"
Gear change directly from “D1 ” to “D3
” occurs.ON vehicle1. Fluid levelAT-261, "
FLUID LEVEL
CHECK"
2. Accumulator servo releaseAT-406, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle 3. Brake bandAT-483, "Band Servo Pis-
ton Assembly"
Engine stops when shifting lever into
“R”, “D”, “2” and “1”.ON vehicle1. Engine idling rpmEC-722, "
Idle Speed and
Ignition Timing"
2. Torque converter clutch solenoid valveAT-372, "
TORQUE CON-
VERTER CLUTCH
SOLENOID VALVE"
3. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle 4. Torque converterAT-417, "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
Too sharp a shock in change from “D1
” to “D2 ”.ON vehicle1. Throttle position sensor (Accelerator
pedal position (APP) sensor)AT-352, "
ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
2. Line pressure testAT-265, "Line Pressure
Te s t"
3. Accumulator servo releaseAT-406, "
Control Valve
Assembly and Accumula-
tors"
4. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
5. A/T fluid temp sen circ and TCM pow
sourAT-377, "
BATT/FLUID
TEMP SEN (A/T FLUID
TEMP SENSOR CIR-
CUIT AND TCM POWER
SOURCE)"
OFF vehicle 6. Brake bandAT-483, "Band Servo Pis-
ton Assembly"
Symptom Condition Diagnostic Item Reference Page

AT-298
[EXC.F/EURO-OBD]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Transmission overheats.ON vehicle1. Fluid levelAT-261, "
FLUID LEVEL
CHECK"
2. Engine idling rpmEC-722, "Idle Speed and
Ignition Timing"
3. Throttle position sensor (Accelerator
pedal position (APP) sensor)AT-352, "ACCELE
RATOR PEDAL POSI-
TION (APP) SENSOR"
4. Line pressure testAT-265, "Line Pressure
Te s t"
5. Line pressure solenoid valveAT-388, "
LINE PRES-
SURE SOLENOID
VA LV E"
6. Control valve assemblyAT-406, "
Control Valve
Assembly and Accumula-
tors"
OFF vehicle7. Oil pumpAT-435, "
Oil Pump"
8. Reverse clutchAT-455, "Reverse Clutch"
9. High clutchAT-459, "High Clutch"
10. Brake bandAT-483, "Band Servo Pis-
ton Assembly"
11. Forward clutchAT-464, "Forward and
Overrun Clutches"
12. Overrun clutchAT-464, "Forward and
Overrun Clutches"
13. Low & reverse brakeAT-470, "Low & Reverse
Brake"
14. Torque converterAT-417, "
Locations of
Adjusting Shims, Needle
Bearings, Thrust Washers
and Snap Rings"
ATF shoots out during operation.
White smoke emitted from exhaust
pipe during operation.ON vehicle 1. Fluid levelAT-261, "
FLUID LEVEL
CHECK"
OFF vehicle2. Reverse clutchAT-455, "
Reverse Clutch"
3. High clutchAT-459, "High Clutch"
4. Brake bandAT-483, "Band Servo Pis-
ton Assembly"
5. Forward clutchAT-464, "Forward and
Overrun Clutches"
6. Overrun clutchAT-464, "Forward and
Overrun Clutches"
7. Low & reverse brakeAT-470, "Low & Reverse
Brake"
Symptom Condition Diagnostic Item Reference Page

REPAIR FOR COMPONENT PARTS
AT-449
[ALL]
D
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MA
B
AT
Control Valve Upper BodyECS007TD
COMPONENTS
Numbers preceding valve springs correspond with those shown in AT- 5 1 5 , "SERVICE DATA AND SPECIFI-
CATIONS (SDS)" .
1. Control valve upper body 2. Return spring 3. Overrun clutch reducing valve
4. Plug 5. Retainer plate 6. Torque converter relief valve
7. Return spring 8. Retainer plate 9. Torque converter clutch control valve
10. Return spring 11. Plug 12. Sleeve
13. Retainer plate 14. 1-2 accumulator valve 15. Return spring
16. Plug 17. Retainer plate 18. Cooler check valve
19. Return spring 20. Plug 21. Retainer plate
22. Retainer plate 23. Return spring 24. Pilot valve
25. Retainer plate 26. Plug 27. 1-2 accumulator piston
28. Return spring 29. 1-2 accumulator retainer plate 30. Retainer plate
31. Plug 32. 1st reducing valve 33. Return spring
34. Retainer plate 35. Return spring 36. 3-2 timing valve
SAT863J

AT-452
[ALL]
REPAIR FOR COMPONENT PARTS
1-2 Accumulator Valve
●Install 1-2 accumulator valve. Align 1-2 accumulator retainer
plate from opposite side of control valve body.
●Install return spring, 1-2 accumulator piston and plug.
1. Install retainer plates.
●Install retainer plate while pushing plug or return spring.
Retainer Plate (Upper Body)
Unit: mm (in)
●Install proper retainer plates.
Refer to AT- 4 4 9 , "
Control Valve Upper Body" .
SAT142D
SAT143D
No. Name of control valve Width A Length B
22 Pilot valve
6.0 (0.236)21.5 (0.846) 30 1st reducing valve
34 3-2 timing valve
8 Torque converter relief valve
17 1-2 accumulator valve
38.5 (1.516)
25 1-2 accumulator piston
5 Overrun clutch reducing valve
24.0 (0.945)
21 Cooler check valve
13 Torque converter clutch control valve 28.0 (1.102)
SAT086F

AT-516
[ALL]
SERVICE DATA AND SPECIFICATIONS (SDS)
Control Valves
ECS007TW
CONTROL VALVE AND PLUG RETURN SPRINGS
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information.
Clutch and BrakesECS007TX
REVERSE CLUTCH
*: Always check with the Parts Department for the latest parts information.
HIGH CLUTCH
No. Parts Part No.* Free length Outer diameter
Upper body
Refer to “Control
Valve Upper
Body”, AT- 4 4 9
.35 3-2 timing valve spring 31736-01X00 23.0 (0.906) 6.65 (0.2618)
19 Cooler check valve spring 31742-3AX05 28.04 (1.1039) 7.15 (0.2815)
23 Pilot valve spring 31742-3AX03 38.98 (1.5346) 8.9 (0.350)
15 1-2 accumulator valve spring 31742-3AX00 20.5 (0.807) 6.95 (0.2736)
28 1-2 accumulator piston spring 31742-3AX09 55.66 (2.1913) 19.5 (0.7677)
33 1st reducing valve spring 31742-80X05 27.0 (1.063) 7.0 (0.276)
2 Overrun clutch reducing valve spring 31742-80X06 37.5 (1.476) 7.0 (0.276)
7 Torque converter relief valve spring 31742-3AX04 33.3 (1.3110) 9.0 (0.354)
10Torque converter clutch control valve
spring31742-3AX02 53.01 (2.0870) 6.5 (0.256)
Lower body
Refer to “Control
Valve Lower
Body”, AT- 4 5 3
.34 Shuttle valve spring 31762-41X04 51.0 (2.0079) 5.65 (0.2224)
18 Pressure regulator valve spring 31742-80X13 45.0 (1.772) 15.0 (0.591)
23 Overrun clutch control valve spring 31762-80X00 21.7 (0.854) 7.0 (0.276)
27 Accumulator control valve spring 31742-80X02 22.0 (0.866) 6.5 (0.256)
29 Shift valve A spring 31762-80X00 21.7 (0.854) 7.0 (0.276)
2 Shift valve B spring 31762-80X00 21.7 (0.854) 7.0 (0.276)
11
Pressure modifier valve spring31742-41X15 30.5 (1.201) 9.8 (0.386)
7 31742-80X16 32.0 (1.260) 6.9 (0.272)
— Fluid cooler relief valve spring 31872-31X00 17.02 (0.670) 8.0 (0.315)
— T/C pressure spring 31742-3AX07 9.0 (0.354) 7.3 (0.287)
Number of drive plates2
Number of driven plates2
Drive plate thickness mm (in)Standard 2.0 (0.079)
Allowable limit 1.8 (0.071)
Clearance mm (in)Standard 0.5 - 0.8 (0.020 - 0.031)
Allowable limit 1.2 (0.047)
Thickness of retaining platesThickness mm (in) Part number*
4.4 (0.173)
4.6 (0.181)
4.8 (0.189)
5.0 (0.197)
5.2 (0.205)31537-31X00
31537-31X01
31537-31X02
31537-31X03
31537-31X04
Number of drive plates3
Number of driven plates5
Drive plate
thickness mm (in)Standard 1.6 (0.063)
Allowable limit 1.5 (0.059)
Clearance mm (in)Standard 1.4 - 1.8 (0.055 - 0.071)
Allowable limit 2.4 (0.094)

ATC-3
C
D
E
F
G
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MA
B
AT C SUNLOAD SENSOR ...............................................117
Removal and Installation ....................................... 117
INTAKE SENSOR CIRCUIT ....................................118
Removal and Installation ....................................... 118
BLOWER UNIT ........................................................119
Removal and Installation ....................................... 119
REMOVAL .......................................................... 119
INSTALLATION .................................................. 119
Disassembly and Assembly .................................. 119
BLOWER MOTOR .................................................. 120
Removal and Installation ...................................... 120
INTAKE DOOR MOTOR ......................................... 121
Removal and Installation ...................................... 121
HEATER & COOLING UNIT ASSEMBLY .............. 122
Removal and Installation ...................................... 122
REMOVAL ......................................................... 122
INSTALLATION ................................................. 123
Disassembly and Assembly ................................. 123
MODE DOOR MOTOR ........................................... 125
Removal and Installation ...................................... 125
AIR MIX DOOR MOTOR ......................................... 126
Removal and Installation ...................................... 126
FAN CONTROL AMPLIFIER .................................. 127
Removal and Installation ...................................... 127
VENTILATION AIR FILTER .................................... 128
Removal and Installation ...................................... 128
FUNCTION ........................................................ 128
REPLACEMENT TIMING .................................. 128
REPLACEMENT AND PROCEDURES ............ 128
HEATER CORE ...................................................... 129
Removal and Installation ...................................... 129
DUCTS AND GRILLES .......................................... 130
Removal and Installation ...................................... 130
VENTILATOR DUCT, DEFROSTER NOZZLE
AND DEFROSTER DUCTS .............................. 130
CENTER VENTILATOR GRILLE ...................... 130
SIDE VENTILATOR GRILLE ............................. 130
FOOT DUCT ..................................................... 130
FLOOR DUCT ................................................... 131
REFRIGERANT LINES ........................................... 132
HFC-134a (R-134a) Service Procedure ............... 132
SETTING OF SERVICE TOOLS AND EQUIP-
MENT ................................................................ 132Components .........................................................134
Compressor ..........................................................136
REMOVAL .........................................................136
INSTALLATION .................................................137
Compressor Clutch .............................................. .138
REMOVAL .........................................................138
INSTALLATION .................................................139
Low-pressure Flexible Hose .................................141
REMOVAL .........................................................141
INSTALLATION .................................................141
High-pressure Flexible Hose ................................141
REMOVAL .........................................................141
INSTALLATION .................................................142
High-pressure Pipe ...............................................142
REMOVAL .........................................................142
INSTALLATION .................................................142
Refrigerant Pressure Sensor ................................142
REMOVAL AND INSTALLATION ......................142
Dual-pressure Switch ...........................................143
REMOVAL AND INSTALLATION ......................143
Condenser Assembly ...........................................143
REMOVAL .........................................................143
INSTALLATION .................................................143
Evaporator ............................................................144
REMOVAL .........................................................144
INSTALLATION .................................................144
Expansion Valve ...................................................144
REMOVAL .........................................................144
INSTALLATION .................................................144
Checking for Refrigerant Leaks ............................145
Checking System for Leaks Using the Fluorescent
Leak Detector .......................................................145
Dye Injection .........................................................146
Electronic Refrigerant Leak Detector ....................146
PRECAUTIONS FOR HANDLING LEAK
DETECTOR .......................................................146
CHECKING PROCEDURE ...............................147
SERVICE DATA AND SPECIFICATIONS (SDS) ....149
Compressor ..........................................................149
Lubricant ...............................................................149
Refrigerant ............................................................149
Engine Idling Speed .............................................149
Belt Tension ..........................................................149