NISSAN PATROL 2000 Electronic Manual PDF

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

Terminal
No.Wire color Item ConditionJudgement
standard (Approx.)
11 L/WShift solenoid
valve A
When shift solenoid valve A
operates.
(When driving in ªD
1ºorªD4º.)Battery voltage
When shift solenoid valve A does
not operate.
(When driving in ªD
2ºorªD3º.)0V
12 L/RShift solenoid
valve BWhen shift solenoid valve B
operates.
(When driving in ªD
1ºorªD2º.)Battery voltage
When shift solenoid valve B does
not operate.
(When driving in ªD
3ºorªD4º.)0V
13 R/WSPORT indicator
lamp
When setting A/T mode switch in
ªSPORTº position.0V
When setting A/T mode switch in
other positions.Battery voltage
14*1 P/B N position signal Refer to EC section.
15 Ð Ð Ð Ð
16 R/LClosed throttle
position switch
(in throttle (accel-
erator) position
switch)When releasing accelerator
pedal after warming up engine.Battery voltage
When depressing accelerator
pedal after warming up engine.0V
17 W/GWide open throttle
position switch
(in throttle (accel-
erator) position
switch)When depressing accelerator
pedal more than half-way after
warming up engine.Battery voltage
When releasing accelerator
pedal after warming up engine.0V
18 Ð Ð Ð Ð Ð
19 G/OR Power source
Same as No. 10
*1: These terminals are connected to the ECM.
TROUBLE DIAGNOSIS Ð General Description
TCM Terminals and Reference Value (Cont'd)
AT-1061

Terminal
No.Wire color Item ConditionJudgement
standard (Approx.)
20 L/BOverrun clutch
solenoid valve
When overrun clutch solenoid
valve operates.Battery voltage
When overrun clutch solenoid
valve does not operate.0V
21 Ð Ð
ÐÐ
22 GYOverdrive control
switchWhen setting overdrive control
switch in ªONº positionBattery voltage
When setting overdrive control
switch in ªOFFº position0V
23 Ð Ð Ð Ð
24 Ð Ð Ð Ð Ð
25 B Ground
ÐÐ
26 GPNP ª1º position
switchWhen setting selector lever to ª1º
position.Battery voltage
When setting selector lever to
other positions.0V
27 G/WPNP ª2º position
switchWhen setting selector lever to ª2º
position.Battery voltage
When setting selector lever to
other positions.0V
28 R/YPower source
(Back-up)
or
When turning ignition switch to
ªOFFº.Battery voltage
When turning ignition switch to
ªONº.Battery voltage
29 WRevolution sensor
(Measure in AC
range)
When vehicle cruises at 30 km/h
(19 MPH).1V or more
Voltage rises gradu-
ally in response to
vehicle speed.
When vehicle parks. 0V
30*1 Y/G (RX)
ÐÐ
31*1 Y/R (TX) Ð Ð
32 G/RAccelerator posi-
tion sensor
(Power source)Turn ignition switch to ªONº. 4.5 - 5.5V
33 Ð Ð Turn ignition switch to ªOFFº. 0V
*1: These terminals are connected to the data link connector.
TROUBLE DIAGNOSIS Ð General Description
TCM Terminals and Reference Value (Cont'd)
AT-1062

Terminal
No.Wire color Item ConditionJudgement
standard (Approx.)
34 PPNP ªDº position
switch
When setting selector lever to
ªDº position.Battery voltage
When setting selector lever to
other positions.0V
35 YPNP ªRº position
switchWhen setting selector lever to
ªRº position.Battery voltage
When setting selector lever to
other positions.0V
36 WPNP ªNº or ªPº
position switchWhen setting selector lever to
ªNº or ªPº position.Battery voltage
When setting selector lever to
other positions.0V
37 Ð Ð Ð Ð
38 Ð Ð Ð Ð
39 Y/BEngine speed sig-
nal
Refer to EC section.
40 L/ORVehicle speed
sensor
When moving vehicle at 2 to 3
km/h (1 to 2 MPH) for1m(3ft)
or more.Voltage varies
between less than 0V
and more than 4.5V.
41 B/WAccelerator posi-
tion sensor
When depressing accelerator
pedal slowly after warming up
engine.
(Voltage rises gradually in
response to throttle position.)Fully-closed throttle:
0.5 - 0.7V
Fully-open throttle:
4V
42 BAccelerator posi-
tion sensor
(Ground)Ð0V
43 W/GA/T mode switch
(ªSPORTº)When setting A/T mode switch in
ªSPORTº position.Battery voltage
When setting A/T mode switch in
other positions.0V
44 Y/RA/T mode switch
(ª
º)When setting A/T mode switch in
ª
º position.Battery voltage
When setting A/T mode switch in
other positions.0V
45 Ð Ð Ð Ð
46 Ð Ð Ð Ð
47 RA/T fluid tempera-
ture sensorWhen ATF temperature is 20ÉC
(68ÉF).1.5V
When ATF temperature is 80ÉC
(176ÉF).0.5V
48 B Ground Ð 0V
TROUBLE DIAGNOSIS Ð General Description
TCM Terminals and Reference Value (Cont'd)
AT-1063

Vehicle Speed SensorzA/T (Revolution
sensor)
DESCRIPTION
The revolution sensor detects the revolution of the out put shaft
parking pawl lock gear and emits a pulse signal. The pulse sig-
nal is sent to the TCM which converts it into vehicle speed.
ON BOARD DIAGNOSIS LOGIC
Diagnostic trouble code Malfunction is detected when ...Check items
(Possible cause)
: VHCL SPEED SENzA/T
TCM does not receive the proper volt-
age signal from the sensor.+Harness or connectors
(The sensor circuit is open or
shorted.)
+Revolution sensor
: 1st judgement flicker
SELF-DIAGNOSIS CODE CONFIRMATION
PROCEDURE
After the repair, perform the following procedure to confirm the
malfunction is eliminated.
1) Start engine.
2) Select ªSELF-DIAG RESULTSº mode for A/T with
CONSULT-II.
3) Drive vehicle under the following conditions:
Selector lever in ªDº position, vehicle speed higher
than 30 km/h (19 MPH), throttle opening greater than
1/8 of the full throttle position and driving for more than
5 seconds.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------OR-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1) Start engine.
2) Drive vehicle under the following conditions:
Selector lever in ªDº position, vehicle speed higher
than 30 km/h (19 MPH), throttle opening greater than
1/8 of the full throttle position and driving for more than
5 seconds.
3) Perform self-diagnosis.
Refer to SELF-DIAGNOSTIC PROCEDURE (Without
CONSULT-II), AT-1029.
SAT218JA
SAT014K
SAT806H
TROUBLE DIAGNOSIS FOR VHCL SPEED SENzA/T
AT-1064

DIAGNOSTIC PROCEDURE
CHECK REVOLUTION SENSOR.
Refer to ªCOMPONENT INSPECTIONº
below.
OK
cNG
Repair or replace revolu-
tion sensor.
CHECK INPUT SIGNAL.
1. Start engine.
2. Select ªTCM INPUT SIGNALSº
in Data Monitor.
3. Read out the value of ªVHCL/S
SEzA/Tº while driving.
Check the value changes
according to driving speed.
------------------------------------------------------------------------------------------------------------------------------------OR------------------------------------------------------------------------------------------------------------------------------------
1. Start engine.
2. Check voltage between TCM
terminal
V29and ground while
driving.
(Measure in AC range.)
Voltage:
At 0 km/h (0 MPH):
0V
At 30 km/h (19 MPH):
1V or more
(Voltage rises gradually in
response to vehicle speed.)
OK
cNG
Check the following items:
+Harness for short or
open between TCM and
revolution sensor (Main
harness)
+Harness for short or
open between revolution
sensor and ECM (Main
harness)
+Ground circuit for ECM
Refer to EC section
(ªTROUBLE DIAGNO-
SIS FOR POWER SUP-
PLYº).
Perform ªSELF-DIAGNOSIS CODE CON-
FIRMATION PROCEDUREº, AT-1064.
OK
cNG
1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin
terminals for damage or
loose connection with
harness connector.
INSPECTION END
COMPONENT INSPECTION
Revolution sensor
+For removal, refer to AT-1124.
+Check resistance between terminals
V1,V2andV3.
Terminal No. Resistance
V1V2500 - 650W
V2V3No continuity
V1V3No continuity
SAT738J
SAT235J
SAT236J
.
.
.
TROUBLE DIAGNOSIS FOR VHCL SPEED SENzA/T
Vehicle Speed SensorzA/T (Revolution
sensor) (Cont'd)
AT-1065

Vehicle Speed SensorzMTR
DESCRIPTION
The vehicle speed sensorzMTR is built into the speedometer
assembly. The sensor functions as an auxiliary device to the
revolution sensor when it is malfunctioning. The TCM will then
use a signal sent from the vehicle speed sensorzMTR.
ON BOARD DIAGNOSIS LOGIC
Diagnostic trouble code Malfunction is detected when ...Check items
(Possible cause)
:
VHCL SPEED SENzMTR
TCM does not receive the proper volt-
age signal from the sensor.+Harness or connectors
(The sensor circuit is open or
shorted.)
+Vehicle speed sensor
:
2nd judgement flicker
SELF-DIAGNOSIS CODE CONFIRMATION
PROCEDURE
After the repair, perform the following procedure to confirm the
malfunction is eliminated.
1) Start engine.
2) Select ªSELF-DIAG RESULTSº mode for A/T with
CONSULT-II.
3) Drive vehicle under the following conditions:
Selector lever in ªDº position and vehicle speed higher
than 20 km/h (12 MPH).
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------OR-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1) Start engine.
2) Drive vehicle under the following conditions:
Selector lever in ªDº position and vehicle speed higher
than 20 km/h (12 MPH).
3) Perform self-diagnosis.
Refer to SELF-DIAGNOSTIC PROCEDURE (Without
CONSULT-II), AT-1029.
SAT237J
SAT014K
SAT807H
TROUBLE DIAGNOSIS FOR VHCL SPEED SENzMTR
AT-1066

DIAGNOSTIC PROCEDURE
CHECK INPUT SIGNAL.
1. Start engine.
2. Select ªTCM INPUT SIGNALSº
in Data Monitor.
3. Read out the value of ªVHCL/S
SEzMTRº while driving.
Check the value changes
according to driving speed.
------------------------------------------------------------------------------------------------------------------------------------OR------------------------------------------------------------------------------------------------------------------------------------
1. Start engine.
2. Check voltage between TCM
terminal
V40and 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.
OK
cNG
Check the following items:
+Vehicle speed sensor
and ground circuit for
vehicle speed sensor
Refer to EL section
(ªMETERS AND
GAUGESº).
+Harness for short or
open between TCM and
vehicle speed sensor
(Main harness)
Perform ªSELF-DIAGNOSIS CODE CON-
FIRMATION PROCEDUREº, AT-1066.
OK
cNG
1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin
terminals for damage or
loose connection with
harness connector.
INSPECTION END
SAT738J
SAT238J.
.
TROUBLE DIAGNOSIS FOR VHCL SPEED SENzMTR
Vehicle Speed SensorzMTR (Cont'd)
AT-1067

Accelerator Position Sensor
DESCRIPTION
The accelerator position sensor detects the throttle valve position
and sends a signal to the TCM.
ON BOARD DIAGNOSIS LOGIC
Diagnostic trouble code Malfunction is detected when ...Check items
(Possible cause)
: THROTTLE POSI SEN
TCM receives an excessively low or
high voltage from the sensor.+Harness or connectors
(The sensor circuit is open or
shorted.)
+Accelerator position sensor
: 3rd judgement flicker
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Remarks: Specification data are reference values.
Monitor item Condition Specification
Accelerator position sensorFully-closed throttle Approximately 0.5V
Fully-open throttle Approximately 4V
SELF-DIAGNOSIS CODE CONFIRMATION
PROCEDURE
After the repair, perform the following procedure to confirm the
malfunction is eliminated.
1) Start engine.
2) Select ªSELF-DIAG RESULTSº mode for A/T with
CONSULT-II.
3) Drive vehicle under the following conditions:
Selector lever in ªDº position, vehicle speed higher
than 10 km/h (6 MPH), throttle opening greater than
1/2 of the full throttle position and driving for more than
3 seconds.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------OR-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1) Start engine.
2) Drive vehicle under the following conditions:
Selector lever in ªDº position, vehicle speed higher
than 10 km/h (6 MPH), throttle opening greater than
1/2 of the full throttle position and driving for more than
3 seconds.
3) Perform self-diagnosis.
Refer to SELF-DIAGNOSTIC PROCEDURE (Without
CONSULT-II), AT-1029.
SAT222JA
SAT014K
SAT808H
TROUBLE DIAGNOSIS FOR THROTTLE POSI SEN
AT-1068