2001 NISSAN ALMERA N16 check engine

4 CHECK INPUT SIGNAL (A/T DEVICE)
Turn ignition switch to ªONº position.
(Do not start engine.)
+Check voltage between A/T device harness terminal 2 and ground.
Voltage:
Brake pedal depressed:
Battery voltage
Brake pedal released:
0V
SAT008K
OK or NG
OK©GO TO 5.
NG©Check the following items:
1. Harness for short and open between battery and stop lamp switch harness connector
1.
2. Harness for short or open between stop lamp switch harness connector 2 and A/T
device harness connector 2.
3. Fuse
4. Stop lamp switch (Refer to ªA/T DEVICE CHECKº, AT-340.)
5 CHECK GROUND CIRCUIT
1. Turn ignition switch to ªOFFº position.
2. Disconnect A/T device harness connector.
3. Check continuity between A/T device harness terminal 3 and ground.
Continuity should exist.
If OK, check harness for short to ground and short to power.
SAT009K
OK or NG
OK©GO TO 6.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
A/T SHIFT LOCK SYSTEM
Diagnostic Procedure (Cont'd)
AT-338

6 CHECK RELAY CIRCUIT
1. Turn ignition switch to ON.
+Check voltage between terminal4-3and2-3.
SAT010K
OK or NG
OK©GO TO 7.
NG©Replace A/T device.
7 CHECK PARK POSITION SWITCH
Refer to ªA/T device Checkº, AT-340.
OK or NG
OK©GO TO 8.
NG©Replace A/T device.
8 CHECK SHIFT LOCK SOLENOID
Refer to ªA/T device Checkº, AT-340.
OK or NG
OK©GO TO 9.
NG©Replace A/T device.
9 SHIFT LOCK OPERATION
1. Reconnect shift lock harness connector.
2. Turn ignition switch from ªOFFº to ªONº position. (Do not start engine.)
3. Recheck shift lock operation.
OK or NG
OK©INSPECTION END
NG©1. Perform A/T device input/output signal inspection test.
2. If NG, recheck harness connector connection.
A/T SHIFT LOCK SYSTEM
Diagnostic Procedure (Cont'd)
AT-339

AAT259A
14. Remove rear plate cover.
15. Remove torque converter bolts.
Rotate crankshaft to gain access to securing bolts.
16. Remove rear transaxle to engine bracket. Refer to EM-49,
ªREMOVAL AND INSTALLATIONº.
17. Support engine with a jack.
18. Remove rear transaxle mount. Refer to EM-49, ªREMOVAL
AND INSTALLATIONº.
19. Remove lower bolts fixing transaxle to engine.
20. Lower transaxle while supporting it with a jack.
SAT977H
InstallationNJAT01161. Check drive plate runout.
CAUTION:
Do not allow any magnetic materials to contact the ring gear
teeth.
Maximum allowable runout:
Refer to EM-60, ªFLYWHEEL/DRIVE PLATE
RUNOUTº.
+If this runout is out of allowance, replace drive plate with ring
gear.
SAT573D
2. When connecting torque converter to transaxle, measure dis-
tance ªAº to be certain that they are correctly assembled.
Distance ªAº:
15.9 mm (0.626 in) or more
AAT266A
3. Install torque converter to drive plate.
+With converter installed, rotate crankshaft several turns to
check that transaxle rotates freely without binding.
SAT029K
4. Tighten belts fixing transaxle.
Bolt No.Tightening torque
N´m (kg-m, ft-lb)Bolt length ª!º
mm (in)
1 30 - 40 (3.1 - 4.1, 23 - 29) 50 (1.97)
2*1 16 - 20 (1.6 - 2.1, 12 - 15) 25 (0.98)
3 31 - 40 (3.1 - 4.1, 23 - 29) 30 (1.18)
4*2 30 - 40 (3.1 - 4.1, 23 - 29) 16 (0.63)
5*2 16 - 20 (1.6 - 2.1, 12 - 15) 20 (0.79)
REMOVAL AND INSTALLATION
Removal (Cont'd)
AT-347

SAT058K
*1: With gusset to A/T
*2: With gusset to cylinder block
SAT638A
5. Reinstall any part removed.
6. Adjust control cable. Refer to AT-344.
7. Check continuity of PNP switch. Refer to AT-326.
8. Refill transaxle with ATF and check fluid level.
9. Move selector lever through all positions to be sure that tran-
saxle operates correctly. With parking brake applied, idle
engine. Move selector lever through ªNº to ªDº, to ª2º, to ª1º and
ªRº positions. A slight shock should be felt through the hand
gripping the selector each time the transaxle is shifted.
10. Perform road test. Refer to AT-83.
REMOVAL AND INSTALLATION
Installation (Cont'd)
AT-348

VEHICLE SPEED WHEN PERFORMING LOCK-UP=NJAT0180S02(Throttle opening: 2.0/8, Shift pattern: Comfort)
Engine model OD switchVehicle speed km/h (MPH)
Lock-up ON Lock-up OFF
QG18DEON (D
4) 92 - 100 (57 - 62) 67 - 75 (42 - 47)
OFF (D
3) 96 - 104 (60 - 65) 93 - 101 (58 - 63)
Stall RevolutionNJAT0181
Engine model Stall revolution rpm
QG18DE 2,050 - 2,500
Line PressureNJAT0182
Engine model Engine speedLine pressure kPa (bar, kg/cm
2, psi)
R position D position 2 position 1 position
QG18DEIdle 778 (7.78, 7.9, 113) 500 (5.0, 5.1, 73) 500 (5.0, 5.1, 73) 500 (5.0, 5.1, 73)
Stall1,705 (17.05, 17.4,
247)1,096 (10.96, 11.2,
159)1,096 (10.96, 11.2,
159)1,096 (10.96, 11.2,
159)
Control ValvesNJAT0183CONTROL VALVE AND PLUG RETURN SPRINGSNJAT0183S01Unit: mm (in)
No. Parts Part No.* Free length Outer diameter
Upper body
Refer to
ªControl
Valve Upper
Bodyº,
AT-384.35 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
ªControl
Valve Lower
Bodyº,
AT-388.34 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 piston spring 31742-41X15 30.5 (1.201) 9.8 (0.386)
7 Pressure modifier valve spring 31742-80X16 32.0 (1.260) 6.9 (0.272)
Ð Oil cooler relief valve spring 31872-31X00 17.02 (0.6701) 8.0 (0.315)
Ð T/C pressure spring 31742-3AX07 9.0 (0.354) 7.3 (0.287)
*: Always check with the Parts Department for the latest parts information.
SERVICE DATA AND SPECIFICATIONS (SDS)
Shift Schedule (Cont'd)
AT-450

SBR686C
Precautions
PRECAUTIONSNJAX0001+When installing rubber parts, final tightening must be car-
ried out under unladen condition* with tires on ground.
*: Fuel, radiator coolant and engine oil full. Spare tire, jack,
hand tools and mats in designated positions.
+After installing removed suspension parts, check wheel
alignment and adjust if necessary.
+Use flare nut wrench when removing or installing brake
tubes.
+Always torque brake lines when installing.
Preparation
SPECIAL SERVICE TOOLSNJAX0002
Tool number
Tool nameDescription
HT72520000
Ball joint remover
NT146
Removing tie-rod outer end and lower ball joint
KV38106800
Differential side oil seal
protector
NT147
Installing drive shaft
KV38106800
COMMERCIAL SERVICE TOOLSNJAX0003
Tool name Description
1 Flare nut crowfoot
2 Torque wrench
NT360
Removing and installing each brake piping
a: 10 mm (0.39 in)
FRONT AXLE
Precautions
AX-2

SFA114A
INSTALLATIONNJAX00101. Install knuckle with wheel hub.
When installing knuckle to strut, be sure to hold bolts and
tighten nuts.
: 114 - 133 N´m (11.6 - 13.6 kg-m, 84 - 98 ft-lb)
Before tightening, apply oil to threaded portion of drive shaft.
2. Tighten wheel bearing lock nut.
QG engine
: 226 - 313 N´m (23 - 32 kg-m, 167 - 231 ft-lb)
YD engine
: 255 - 333 N´m (26 - 34 kg-m, 188 - 245 ft-lb)
3. Check that wheel bearings operate smoothly.
SFA543A
4. Check wheel bearing axial end play.
Axial end play:
0.05 mm (0.0020 in)
SFA116A
DISASSEMBLYNJAX0011CAUTION:
When removing wheel hub or wheel bearing from knuckle,
replace wheel bearing assembly (outer race and inner races)
with a new one.
Wheel HubNJAX0011S01Drive out hub with inner race (outside) from knuckle with a suitable
tool.
SFA654A
Wheel BearingNJAX0011S02When replacing wheel bearing, replace complete wheel bear-
ing assembly (Inner races and outer race).
1. Remove bearing inner race (outside).
FRONT AXLE
Wheel Hub and Knuckle (Cont'd)
AX-7

SBR686C
Precautions
PRECAUTIONSNJAX0022+When installing each rubber part, final tightening must be
carried out under unladen condition* with tires on ground.
*: Fuel, radiator coolant and engine oil full. Spare tire, jack,
hand tools and mats in designated positions.
+Use flare nut wrench when removing or installing brake
tubes.
+After installing removed suspension parts, check wheel
alignment.
+Do not jack up at the trailing arm and lateral link.
+Always torque brake lines when installing.
Preparation
SPECIAL SERVICE TOOLSNJAX0032
Tool number
Tool nameDescription
KV40104710
Drift
NT474
Install ABS sensor rotor
a: 76.3 mm (3.004 in) dia.
b: 67.9 mm (2.673 in) dia.
ST3072000
Drift
NT115
Install ABS sensor rotor
a: 77 mm (3.03 in) dia.
b: 55.5 mm (2.185 in) dia.
COMMERCIAL SERVICE TOOLSNJAX0024
Tool name Description
1 Flare nut crowfoot
2 Torque wrench
NT360
Removing and installing brake piping
a: 10 mm (0.39 in)
REAR AXLE
Precautions
AX-22