engine NISSAN PATROL 2000 Electronic Owner's Manual

1. CHECK BEFORE ENGINE IS STARTED
1. Park vehicle on flat surface.
2. Turn ignition switch to ªOFFº position.
1. Set A/T mode switch to ªAUTOº posi-
tion.
2. Move selector lever to ªPº position.
3. Turn ignition switch to ªONº position.
(Do not start engine.)
4. Does SPORT indicator lamp come on
for about 2 seconds?
Yes
cNo
Go to 1. SPORT Indicator
Lamp Does Not Come On,
AT-1097.
Does SPORT indicator lamp flicker for
about 8 seconds?
No
cYes
Perform self-diagnosis.
Refer to SELF-DIAGNO-
SIS PROCEDURE,
AT-1028.
1. Set A/T mode switch to ªSPORTº posi-
tion.
2. Does SPORT indicator lamp come on?
Yes
cNo
Go to 2. SPORT Indicator
Lamp Does Not Come On,
AT-1098.
Set overdrive control switch to ªOFFº
position.
Does O/D OFF indicator lamp come on?
Yes
cNo
Go to 3. O/D OFF Indica-
tor Lamp Does Not Come
On, AT-1098.
VA
(Go to next page)
SAT211JA
SAT853E
SAT211JA
SAT857E
SAT210J
.
.
.
.
.
.
TROUBLE DIAGNOSIS Ð Basic Inspection
Road Test (Cont'd)
AT-1047

2. CHECK AT IDLE
1. Park vehicle on flat surface.
2. Turn ignition switch to ªOFFº position.
3. Move selector lever to ªPº or ªNº posi-
tion.
4. Turn ignition switch to start position.
5. Is engine started?
Yes
cNo
Go to ª5. Engine Cannot
Be Started In ªPº and ªNº
Positionº, AT-1100.
1. Turn ignition switch to ªOFFº position.
2. Move selector lever to ªDº, ª1º, ª2º or
ªRº position.
3. Turn ignition switch to start position.
4. Is engine started?
No
cYes
Go to ª5. Engine Cannot
Be Started In ªPº and ªNº
Positionº, AT-1100.
1. Turn ignition switch to ªOFFº position.
2. Move selector lever to ªPº position.
3. Release parking brake.
4. Push vehicle forward or backward.
5. Does vehicle move when it is pushed
forward or backward?
No
cYes
Go to ª6. In ªPº Position,
Vehicle Moves Forward Or
Backward When Pushedº,
AT-1100.
1. Apply parking brake.
2. Move selector lever to ªNº position.
3. Turn ignition switch to ªSTARTº posi-
tion and start engine.
4. Release parking brake.
5. Does vehicle move forward or back-
ward?
No
cYes
Go to ª7. In ªNº Position,
Vehicle Movesº, AT-1101.
1. Apply foot brake.
2. Move selector lever to ªRº position.
3. Is there large shock when changing
from ªNº to ªRº position?
No
cYes
Go to ª8. Large Shock. ªNº
®ªRº Positionº, AT-1102.
1. Release foot brake for several sec-
onds.
2. Does vehicle creep backward when
foot brake is released?
Yes
cNo
Go to ª9. Vehicle Does
Not Creep Backward In
ªRº Positionº, AT-1103.
1. Move selector lever to ªDº, ª1º and ª2º
position and check if vehicle creeps
forward.
2. Does vehicle creep forward in all three
positions?
Yes
cNo
Go to ª10. Vehicle Does
Not Creep Forward In ªDº,
ª2º Or ª1º Positionº,
AT-1104.
Go to ª3. Cruise testº, AT-1050.
SAT796A
SAT797A
.
.
.
.
.
.
.
TROUBLE DIAGNOSIS Ð Basic Inspection
Road Test (Cont'd)
AT-1049

CRUISE TEST Ð Part 1
Drive vehicle for approx. 10 minutes to
warm engine oil and ATF up to operating
temperature.
ATF operating temperature:
50 - 80ÉC (122 - 176ÉF)
1. Park vehicle on flat surface.
2. Set overdrive control switch to ªONº
position.
3. Move selector lever to ªPº position.
4. Start engine.
Move selector lever to ªDº position.
Accelerate vehicle by constantly depress-
ing accelerator pedal halfway.
Does vehicle start from D1?
Read gear position.
Yes
cNo
Go to ª11. Vehicle Cannot
Be Started From D
1º,
AT-1105.
Does A/T shift from D1to D2at the speci-
fied speed?
Read gear position,
throttle opening and
vehicle speed.
Specified speed when shifting from
D
1to D2:
Refer to Shift schedule, AT-1206.
Yes
cNo
Go to ª12. A/T Does Not
Shift: D
1®D2Or Does
Not Kickdown: D
4®D2º,
AT-1106.
Does A/T shift from D2to D3at the speci-
fied speed?
Read gear position,
throttle position and
vehicle speed.
Specified speed when shifting from
D
2to D3:
Refer to Shift schedule, AT-1206.
Yes
cNo
Go to ª13. A/T Does Not
Shift: D
2®D3º, AT-1107.
VA
(Go to next page.)
SAT774B
SAT775B
SAT495G
SAT401H
.
.
.
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TROUBLE DIAGNOSIS Ð Basic Inspection
Road Test (Cont'd)
AT-1053

VA
Does A/T shift from D3to D4at the speci-
fied speed?
Read gear position,
throttle position and
vehicle speed.
Specified speed when shifting from
D
3to D4:
Refer to Shift schedule, AT-1206.
Yes
cNo
Go to ª14. A/T Does Not
Shift: D
3®D4º, AT-1108.
Does A/T perform lock-up at the specified
speed?
Read vehicle speed, throt-
tle position when lock-up
duty becomes 94%.
Specified speed when lock-up
occurs:
Refer to Shift schedule, AT-1206.
Yes
cNo
Go to ª15. A/T Does Not
Perform Lock-upº,
AT-1109.
Does A/T hold lock-up condition for more
than 30 seconds?
Yes
cNo
Go to ª16. A/T Does Not
Hold Lock-up Conditionº,
AT-1110.
1. Release accelerator pedal.
2. Is lock-up released when accelerator
pedal is released?
Yes
cNo
Go to ª17. Lock-up Is Not
Releasedº, AT-1110.
1. Decelerate vehicle by applying foot
brake lightly.
2. Does engine speed return to idle
smoothly when A/T is shifted from D
4to D3?
Read gear position and
engine speed.
Yes
cNo
Go to ª18. Engine Speed
Does Not Return To Idle
(Light Braking D
4®D3)º,
AT-1111.
1. Stop vehicle.
2. Go to ªCruise test Ð Part 2º, AT-1055.
SAT402H
SAT403H
.
.
.
.
.
.
TROUBLE DIAGNOSIS Ð Basic Inspection
Road Test (Cont'd)
AT-1054

CRUISE TEST Ð Part 2
1. Confirm overdrive control switch is in
ªONº position.
2. Confirm selector lever is in ªDº position.
3. Accelerate vehicle by half throttle
again.
4. Does vehicle start from D
1?
Read gear position.
Yes
cNo
Go to ª19. Vehicle Does
Not Start From D
1º,
AT-1112.
1. Accelerate vehicle to 80 km/h (50
MPH) as shown in illustration.
2. Release accelerator pedal and then
quickly depress it fully.
3. Does A/T shift from D
4to D2as soon
as accelerator pedal is depressed
fully?
Read gear position and
throttle position.
Yes
cNo
Go to ª12. A/T Does Not
Shift: D
1®D2Or Does
Not Kickdown: D
4®D2º,
AT-1106.
Does A/T shift from D2to D3at the speci-
fied speed?
Read gear position,
throttle position and
vehicle speed.
Specified speed when shifting from
D
2to D3:
Refer to Shift schedule, AT-1206.
Yes
cNo
Go to ª13. A/T Does Not
Shift: D
2®D3º, AT-1107.
1. Release accelerator pedal after shifting
from D
2to D3.
2. Does A/T shift from D
3to D4and does
vehicle decelerate by engine brake?
Read gear position,
throttle position and
vehicle speed.
Yes
cNo
Go to ª14. A/T Does Not
Shift: D
3®D4º, AT-1108.
1. Decelerate to 10 km/h (6 MPH) with
accelerator pedal released and then
quickly depress it fully.
2. Does A/T shift from D
2to D1as soon
as accelerator pedal is depressed
fully?
Yes
cNo
Go to ª20. A/T Does Not
Shift: D
2®D1When
Depressing Accelerator
Pedalº, AT-1113.
1. Stop vehicle.
2. Go to ªCruise test Ð Part 3º, AT-1056.
SAT495G
SAT404H
SAT405H
SAT124I
.
.
.
.
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TROUBLE DIAGNOSIS Ð Basic Inspection
Road Test (Cont'd)
AT-1055

CRUISE TEST Ð Part 3
1. Confirm overdrive control switch is in
ªONº position.
2. Confirm selector lever is in ªDº position.
Accelerate vehicle using half-throttle to D4.
Release accelerator pedal.
Set overdrive control switch to ªOFFº posi-
tion while driving in D
4.
Does A/T shift from D4to D3(O/D OFF)?Read gear position and
vehicle speed.
Yes
cNo
Go to ª21. A/T Does Not
Shift: D
4®D3, When
Overdrive Control Switch
ªONº®ªOFFºº, AT-1114.
Does vehicle decelerate by engine brake?
Yes
cNo
Go to ª18. Engine Speed
Does Not Return To Idle
(Light Braking D
4®D3)º,
AT-1111.
Move selector lever from ªDº to ª2º posi-
tion while driving in D
3(O/D OFF).
Does A/T shift from D3(O/D OFF) to 22?Read gear position.
Yes
cNo
Go to ª22. A/T Does Not
Shift: D
3®22, When
Selector Lever ªDº®ª2º
Positionº, AT-1114.
Does vehicle decelerate by engine brake?
Yes
cNo
Go to ª18. Engine Speed
Does Not Return To Idle
(Light Braking D
4®D3)º,
AT-1111.
1. Move selector lever from ª2º to ª1º posi-
tion while driving in 2
2.
2. Does A/T shift from 2
2to 11position?Read gear position.
Yes
cNo
Go to ª23. A/T Does Not
Shift: 2
2®11, When
Selector Lever ª2º®ª1º
Positionº, AT-1115.
Does vehicle decelerate by engine brake?
Yes
cNo
Go to ª24. Vehicle Does
Not Decelerate By Engine
Brakeº, AT-1115.
1. Stop vehicle.
2. Perform self-diagnosis. Refer to SELF-
DIAGNOSTIC PROCEDURE, AT-1028.
SAT812A
SAT813A
SAT776BA
SAT791GA
SAT778B
.
.
.
.
.
.
.
.
.
.
.
TROUBLE DIAGNOSIS Ð Basic Inspection
Road Test (Cont'd)
AT-1056

Symptom Chart
bON vehiclecbOFF vehiclec
Reference page (AT- )1041,
112611251064,
1066
108210441070,
11481072,
10841076,
10741079,
11241124 11241133,
11441161,
11651167,
11771167,
11751171,
11371184
Reference page (AT- )
Numbers are arranged in order of probability.
Perform inspections starting with number one
and work up. Circled numbers indicate that the
transmission must be removed from the
vehicle.
Fluid level
Control linkage
PNP switch
Accelerator position sensor (Adjustment)
Revolution sensor and vehicle speed sensor
Engine speed signal
Engine idling speed
Line pressure
Control valve assembly
Shift solenoid valve A
Shift solenoid valve B
Line pressure solenoid valve
Torque converter clutch solenoid valve
Overrun clutch solenoid valve
A/T fluid temperature sensor
Accumulator N-D
Accumulator 1-2
Accumulator 2-3
Accumulator 3-4 (N-R)
Ignition switch and starter
Torque converter
Oil pump
Reverse clutch
High clutch
Forward clutch
Forward one-way clutch
Overrun clutch
Low one-way clutch
Low & reverse brake
Brake band
Parking pawl components
1100 Engine does not start in ªNº, ªPº positions. . 2 3................1.......... .
1100 Engine starts in position other than ªNº and ªPº. . 1 2........................... .
Ð Transmission noise in ªPº and ªNº positions. 1 . . 3 45.2............
V7V6........ .
1100Vehicle moves when changing into ªPº position
or parking gear does not disengage when
shifted out of ªPº position..1............................
V2
1101 Vehicle runs in ªNº position. . 1................2...V4.V3.V5... .
1103Vehicle will not run in ªRº position (but runs in
ªDº, ª2º and ª1º positions). Clutch slips.
Very poor acceleration..1.....24..3..........
V5V6V7.V8.V9..
Ð Vehicle braked when shifting into ªRº position. 1 2.....35..4...........
V6V8.V9..V7.
Ð Sharp shock in shifting from ªNº to ªDº position. . .. 2 . 5137 . . 6 . . 48........
V10..... .
ÐVehicle will not run in ªDº and ª2º positions (but
runs in ª1º and ªRº position)..1.........................
V2.. .
1104Vehicle will not run in ªDº, ª1º and ª2º positions
(but runs in ªRº position). Clutch slips.
Very poor acceleration.1......24..3...5......
V6V7V8V9.V10.. .
Ð Clutches or brakes slip somewhat in starting. 12.3. . .46. .5. . .7. .8.
V13V12V10.V9...V11..
Ð Excessive creep.......1....................... .
1103 -
1104No creep at all. 1......23...........
V6V5..V4..... .
Ð Failure to change gear from ªD
1ºtoªD2º. .21.5...43...................V6.
Ð Failure to change gear from ªD
2ºtoªD3º. .21.5. . .4.3............V6.....V7.
Ð Failure to change gear from ªD
3ºtoªD4º. .21.4....3....5..............V6.
1106 -
1107,
1108Too high a gear change point from ªD
1ºtoªD2º,
from ªD2ºtoªD3º, from ªD3ºtoªD4º....12....34................... .
Ð Gear change directly from ªD
1ºtoªD3º occurs. 1...............2............V3.
ÐEngine stops when shifting lever into ªRº, ªDº,
ª2º and ª1º.......1.3. . .2.......
V4......... .
Ð Too sharp a shock in change from ªD
1ºtoªD2º....1...24.....5.3............V6.
Ð Too sharp a shock in change from ªD
2ºtoªD3º....1...24........3.....V5.....V6.
TROUBLE DIAGNOSIS Ð General Description
AT-1057

bON vehiclecbOFF vehiclec
Reference page (AT- )1041,
112611251064,
1066
108210441070,
11481072,
10841076,
10741079,
11241124 11241133,
11441161,
11651167,
11771167,
11751171,
11371184
Reference page (AT- )
Numbers are arranged in order of probability.
Perform inspections starting with number one
and work up. Circled numbers indicate that the
transmission must be removed from the
vehicle.
Fluid level
Control linkage
PNP switch
Throttle (accelerator) position sensor (Adjustment)
Revolution sensor and vehicle speed sensor
Engine speed signal
Engine idling speed
Line pressure
Control valve assembly
Shift solenoid valve A
Shift solenoid valve B
Line pressure solenoid valve
Torque converter clutch solenoid valve
Overrun clutch solenoid valve
A/T fluid temperature sensor
Accumulator N-D
Accumulator 1-2
Accumulator 2-3
Accumulator 3-4 (N-R)
Ignition switch and starter
Torque converter
Oil pump
Reverse clutch
High clutch
Forward clutch
Forward one-way clutch
Overrun clutch
Low one-way clutch
Low & reverse brake
Brake band
Parking pawl components
ÐToo sharp a shock in change from
ªD3ºtoªD4º....1...24.........3.......V6..V5.
ÐAlmost no shock or clutches slipping in change
from ªD
1ºtoªD2º.1..2...35.......4............V6.
ÐAlmost no shock or slipping in change from
ªD
2ºtoªD3º.1..2...35........4.....V6.....V7.
ÐAlmost no shock or slipping in change from
ªD
3ºtoªD4º.1..2...35.........4....V6.....V7.
ÐVehicle braked by gear change from ªD
1ºto
ªD2º.1.....................V2V4...V5V3..
ÐVehicle braked by gear change from ªD
2ºto
ªD3º.1............................V2.
ÐVehicle braked by gear change from ªD
3ºto
ªD4º.1.....................V4..V3V2... .
ÐMaximum speed not attained. Acceleration
poor.1.2.....534.........
V11V10V6V7....V9V8.
Ð Failure to change gear from ªD
4ºtoªD3º. 1..2....64.5.3............V8.V7..
ÐFailure to change gear from ªD
3ºtoªD2ºor
from ªD4ºtoªD2º.1..2....534............V6.....V7.
ÐFailure to change gear from ªD
2ºtoªD1ºor
from ªD3ºtoªD1º.1..2....534............V7...V6.V8.
ÐGear change shock felt during deceleration by
releasing accelerator pedal....1...24....3................ .
ÐToo high a change point from ªD
4ºtoªD3º, from
ªD3ºtoªD2º, from ªD2ºtoªD1º....12......................... .
ÐKickdown does not operate when depressing
pedal in ªD
4º within kickdown vehicle speed....12....34................... .
ÐKickdown operates or engine overruns when
depressing pedal in ªD
4º beyond kickdown
vehicle speed limit....21....34................... .
ÐRaces extremely fast or slips in changing from
ªD
4ºtoªD3º when depressing pedal.1..2...35..4...........V6V7..... .
ÐRaces extremely fast or slips in changing from
ªD
4ºtoªD2º when depressing pedal.1..2...365.4............V8....V7.
ÐRaces extremely fast or slips in changing from
ªD
3ºtoªD2º when depressing pedal.1..2...35..4..6..7.....V10V9....V8.
ÐRaces extremely fast or slips in changing from
ªD
4ºorªD3ºtoªD1º when depressing pedal.1..2...35..4............V6V7.V8.. .
Ð Vehicle will not run in any position. 1 2.....3...4........
V9V5.V6....V8V7V10
ÐTransmission noise in ªDº, ª2º, ª1º and ªRº
positions.1...................V2......... .
TROUBLE DIAGNOSIS Ð General Description
Symptom Chart (Cont'd)
AT-1058

bON vehiclecbOFF vehiclec
Reference page (AT- )1041,
112611251064,
1066
108210441070,
11481072,
10841076,
10741079,
11241124 11241133,
11441161,
11651167,
11771167,
11751171,
11371184
Reference page (AT- )
Numbers are arranged in order of probability.
Perform inspections starting with number one and
work up. Circled numbers indicate that the trans-
mission must be removed from the vehicle.
Fluid level
Control linkage
PNP switch
Throttle (accelerator) position sensor (Adjustment)
Revolution sensor and vehicle speed sensor
Engine speed signal
Engine idling speed
Line pressure
Control valve assembly
Shift solenoid valve A
Shift solenoid valve B
Line pressure solenoid valve
Torque converter clutch solenoid valve
Overrun clutch solenoid valve
A/T fluid temperature sensor
Accumulator N-D
Accumulator 1-2
Accumulator 2-3
Accumulator 3-4 (N-R)
Ignition switch and starter
Torque converter
Oil pump
Reverse clutch
High clutch
Forward clutch
Forward one-way clutch
Overrun clutch
Low one-way clutch
Low & reverse brake
Brake band
Parking pawl components
1111Failure to change from ªD3º to ª2º when changing
lever into ª2º position..712....654..3............V9..V8.
Ð Gear change from ª2
1ºtoª22º in ª2º position. . . 1........................... .
1112 Engine brake does not operate in ª1º position. .2134 . . . 65 . . . 7............
V8.V9..
Ð Gear change from ª1
1ºtoª12º in ª1º position. . 2 1........................... .
Ð Does not change from ª1
2ºtoª11º in ª1º position. ..1.2. . .43. . .5............V6.V7..
ÐLarge shock changing from ª1
2ºtoª11º in ª1º posi-
tion.........1...................V2..
Ð Transmission overheats. 1 . . 3 . . 2 4 6 . . 5........
V14V7V8V9V11.V12.V13V10.
ÐATF shoots out during operation.
White smoke emitted from exhaust pipe during
operation.1.....................
V2V3V5.V6.V7V4.
Ð Offensive smell at fluid charging pipe. 1...................
V2V3V4V5V7.V8.V9V6.
Ð Torque converter is not locked up. . .3124.68. . .7.5.....
V9......... .
Ð Torque converter clutch piston slip 1 . . 2 . . . 3 6 . . 5 4.......
V7......... .
1109 Lock-up point is extremely high or low. . . . 1 2 . . . 4 . . . 3................. .
ÐA/T does not shift to ªD
4º when driving with over-
drive control switch ªONº...213..864...57...........V10..V9.
ÐEngine is stopped at ªRº, ªDº, ª2º and ª1º posi-
tions.1.......543.2................. .
TROUBLE DIAGNOSIS Ð General Description
Symptom Chart (Cont'd)
AT-1059

TCM Terminals and Reference Value
PREPARATION
+Measure voltage between each terminal and terminalV25or
V48by following ªTCM INSPECTION TABLEº.
TCM HARNESS CONNECTOR TERMINAL LAYOUT
TCM INSPECTION TABLE
(Data are reference values.)
Terminal
No.Wire color Item ConditionJudgement
standard (Approx.)
1 G/YLine pressure
solenoid valve
When releasing accelerator
pedal after warming up engine.1.5 - 3.0V
When depressing accelerator
pedal fully after warming up
engine.0V
2 BR/YLine pressure
solenoid valve
(with dropping
resistor)When releasing accelerator
pedal after warming up engine.5 - 14V
When depressing accelerator
pedal fully after warming up
engine.0V
3 G/ORTorque converter
clutch solenoid
valve
When A/T performs lock-up. 8 - 15V
When A/T does not perform lock-
up.0V
4Ð Ð
ÐÐ
5* PU/W DT1
Refer to EC section. 6* P/B DT2
7* P DT3
8Ð Ð Ð Ð
9* L/OR DT4 Refer to EC section.
10 G/OR Power sourceWhen turning ignition switch to
ªONº.Battery voltage
When turning ignition switch to
ªOFFº.0V
*: These terminals are connected to the ECM.
SAT216J
SAT217J
TROUBLE DIAGNOSIS Ð General Description
AT-1060