2001 NISSAN ALMERA N16 ECU

Item DisplayMonitor item
Description Remarks
ECU input
signalsMain sig-
nals
ASCD OD cut signal ASCD-OD CUT
[ON/OFF]
XÐ+Status of ASCD OD
release signal is dis-
played.
ON ... OD released
OFF ... OD not released+This is displayed even
when no ASCD is
mounted.
Kickdown switch KICKDOWN SW
[ON/OFF]
XÐ+ON/OFF status, com-
puted from signal of
kickdown SW, is dis-
played.+This is displayed even
when no kickdown
switch is equipped.
Closed throttle position
switchCLOSED
THL/SW
[ON/OFF]XÐ+ON/OFF status, com-
puted from signal of
closed throttle position
SW, is displayed.
Wide open throttle position
switchW/O THRL/P-SW
[ON/OFF]
XÐ+ON/OFF status, com-
puted from signal of
wide open throttle posi-
tion SW, is displayed.
Gear position GEAR
ÐX+Gear position data used
for computation by
TCM, is displayed.
Selector lever position SLCT LVR POSI
ÐX+Selector lever position
data, used for computa-
tion by TCM, is dis-
played.+A specific value used
for control is displayed if
fail-safe is activated due
to error.
Vehicle speed VEHICLE SPEED
[km/h] or [mph] Ð X+Vehicle speed data,
used for computation by
TCM, is displayed.
Stop lamp switch BRAKE SW
[ON/OFF]
XÐ+ON/OFF status are dis-
played.
ON: Brake pedal is
depressed.
OFF: Brake pedal is
released.
Throttle position THROTTLE POSI
[/8]
ÐX+Throttle position data,
used for computation by
TCM, is displayed.+A specific value used
for control is displayed if
fail-safe is activated due
to error.
Line pressure duty LINE PRES DTY
[%]
ÐX+Control value of line
pressure solenoid valve,
computed by TCM from
each input signal, is dis-
played.
Torque converter clutch
solenoid valve dutyTCC S/V DUTY
[%]
ÐX+Control value of torque
converter clutch sole-
noid valve, computed by
TCM from each input
signal, is displayed.
ON BOARD DIAGNOSTIC SYSTEM
DESCRIPTION
EXCEPT FOR EURO-OBD
CONSULT-II (Cont'd)
AT-40

Item DisplayMonitor item
Description Remarks
ECU input
signalsMain sig-
nals
Shift solenoid valve A SHIFT S/V A
[ON/OFF]
ÐX+Control value of shift
solenoid valve A, com-
puted by TCM from
each input signal, is dis-
played.Control value of solenoid
is displayed even if sole-
noid circuit is discon-
nected.
The ªOFFº signal is dis-
played if solenoid circuit is
shorted. Shift solenoid valve B SHIFT S/V B
[ON/OFF]
ÐX+Control value of shift
solenoid valve B, com-
puted by TCM from
each input signal, is dis-
played.
Overrun clutch solenoid
valveOVERRUN/C S/V
[ON/OFF]
ÐX+Control value of overrun
clutch solenoid valve
computed by TCM from
each input signal is dis-
played.
Self-diagnosis display
lamp
(O/D OFF indicator lamp)SELF-D DP LMP
[ON/OFF] Ð X+Control status of O/D
OFF indicator lamp is
displayed.
X: Applicable
Ð: Not applicable
SAT580J
HOW TO ERASE SELF-DIAGNOSTIC RESULTS
(
WITH CONSULT-II)NJAT0022S081. If the ignition switch stays ªONº after repair work, be sure to
turn ignition switch ªOFFº once. Wait for at least 3 seconds and
then turn it ªONº again.
2. Turn CONSULT-II ªONº, and touch ªA/Tº.
SAT971J
3. Touch ªSELF-DIAG RESULTSº.
ON BOARD DIAGNOSTIC SYSTEM
DESCRIPTION
EXCEPT FOR EURO-OBD
CONSULT-II (Cont'd)
AT-41

Detected items
(Screen terms for CONSULT-II, ªSELF
DIAGNOSISº test mode)
Malfunction is detected when ...TCM self-diagnosis EURO-OBD (DTC)
Available by
O/D OFF
indicator lamp or
ªA/Tº on CONSULT-IIAvailable by
malfunction
indicator*2,
ªENGINEº on CON-
SULT-II or GST ªA/Tº ªENGINEº
No failure
(NO SELF DIAGNOSTIC FAILURE INDI-
CATED FURTHER TESTING MAY BE
REQUIRED**)+No failure has been detected.
XX
X: Applicable
Ð: Not applicable
*1: These malfunctions cannot be displayed by MI
if another malfunction is assigned to MI.
*2: Refer to EC-72, ªMalfunction Indicator (MI)º.
DATA MONITOR MODE (A/T)NJAT0256S03
Item DisplayMonitor item
Description Remarks
ECU input
signalsMain sig-
nals
Vehicle speed sensor 1
(A/T)
(Revolution sensor)VHCL/S SE´A/T
[km/h] or [mph]
XÐ+Vehicle speed computed
from signal of revolution
sensor is displayed.When racing engine in ªNº
or ªPº position with vehicle
stationary, CONSULT-II
data may not indicate 0
km/h (0 mph).
Vehicle speed sensor 2
(Meter)VHCL/S SE´MTR
[km/h] or [mph]
XÐ+Vehicle speed computed
from signal of vehicle
speed sensor is dis-
played.Vehicle speed display may
not be accurate under
approx. 10 km/h (6 mph). It
may not indicate 0 km/h (0
mph) when vehicle is sta-
tionary.
Throttle position sensor THRTL POS
SEN
[V]XÐ+Throttle position sensor
signal voltage is dis-
played.
A/T fluid temperature sen-
sorFLUID TEMP SE
[V]
XÐ+A/T fluid temperature
sensor signal voltage is
displayed.
+Signal voltage lowers as
fluid temperature rises.
Battery voltage BATTERY VOLT
[V]XÐ+Source voltage of TCM
is displayed.
Engine speed ENGINE SPEED
[rpm]
XX+Engine speed, com-
puted from engine
speed signal, is dis-
played.Engine speed display may
not be accurate under
approx. 800 rpm. It may
not indicate 0 rpm even
when engine is not run-
ning.
Overdrive control switch OVERDRIVE SW
[ON/OFF] X Ð+ON/OFF state computed
from signal of overdrive
control SW is displayed.
P/N position switch PN POSI SW
[ON/OFF] X Ð+ON/OFF state computed
from signal of P/N posi-
tion SW is displayed.
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTIONEURO-OBD
CONSULT-II (Cont'd)
AT-55

Item DisplayMonitor item
Description Remarks
ECU input
signalsMain sig-
nals
R position switch R POSITION SW
[ON/OFF] X Ð+ON/OFF state computed
from signal of R position
SW is displayed.
D position switch D POSITION SW
[ON/OFF] X Ð+ON/OFF state computed
from signal of D position
SW is displayed.
2 position switch 2 POSITION SW
[ON/OFF]
XÐ+ON/OFF status, com-
puted from signal of 2
position SW, is dis-
played.
1 position switch 1 POSITION SW
[ON/OFF]
XÐ+ON/OFF status, com-
puted from signal of 1
position SW, is dis-
played.
ASCD cruise signal ASCD-CRUISE
[ON/OFF]
XÐ+Status of ASCD cruise
signal is displayed.
ON ... Cruising state
OFF ... Normal running
state+This is displayed even
when no ASCD is
mounted.
ASCD OD cut signal ASCD-OD CUT
[ON/OFF]
XÐ+Status of ASCD OD
release signal is dis-
played.
ON ... OD released
OFF ... OD not released+This is displayed even
when no ASCD is
mounted.
Kickdown switch KICKDOWN SW
[ON/OFF]
XÐ+ON/OFF status, com-
puted from signal of
kickdown SW, is dis-
played.+This is displayed even
when no kickdown
switch is equipped.
Closed throttle position
switchCLOSED
THL/SW
[ON/OFF]XÐ+ON/OFF status, com-
puted from signal of
closed throttle position
SW, is displayed.
Wide open throttle position
switchW/O THRL/P-SW
[ON/OFF]
XÐ+ON/OFF status, com-
puted from signal of
wide open throttle posi-
tion SW, is displayed.
Gear position GEAR
ÐX+Gear position data used
for computation by
TCM, is displayed.
Selector lever position SLCT LVR POSI
ÐX+Selector lever position
data, used for computa-
tion by TCM, is dis-
played.+A specific value used for
control is displayed if
fail-safe is activated due
to error.
Vehicle speed VEHICLE
SPEED
[km/h] or [mph]ÐX+Vehicle speed data,
used for computation by
TCM, is displayed.
Stop lamp switch BRAKE SW
[ON/OFF]
XÐ+ON/OFF status are dis-
played.
ON: Brake pedal is
depressed.
OFF: Brake pedal is
released.
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTIONEURO-OBD
CONSULT-II (Cont'd)
AT-56

Item DisplayMonitor item
Description Remarks
ECU input
signalsMain sig-
nals
Throttle position THROTTLE
POSI
[/8]ÐX+Throttle position data,
used for computation by
TCM, is displayed.+A specific value used for
control is displayed if
fail-safe is activated due
to error.
Line pressure duty LINE PRES DTY
[%]
ÐX+Control value of line
pressure solenoid valve,
computed by TCM from
each input signal, is dis-
played.
Torque converter clutch
solenoid valve dutyTCC S/V DUTY
[%]
ÐX+Control value of torque
converter clutch sole-
noid valve, computed by
TCM from each input
signal, is displayed.
Shift solenoid valve A SHIFT S/V A
[ON/OFF]
ÐX+Control value of shift
solenoid valve A, com-
puted by TCM from
each input signal, is dis-
played.Control value of solenoid is
displayed even if solenoid
circuit is disconnected.
The ªOFFº signal is dis-
played if solenoid circuit is
shorted.
Shift solenoid valve B SHIFT S/V B
[ON/OFF]
ÐX+Control value of shift
solenoid valve B, com-
puted by TCM from
each input signal, is dis-
played.
Overrun clutch solenoid
valveOVERRUN/C S/V
[ON/OFF]
ÐX+Control value of overrun
clutch solenoid valve
computed by TCM from
each input signal is dis-
played.
Self-diagnosis display lamp
(O/D OFF indicator lamp)SELF-D DP LMP
[ON/OFF] Ð X+Control status of O/D
OFF indicator lamp is
displayed.
X: Applicable
Ð: Not applicable
SAT998J
DTC WORK SUPPORT MODE WITH CONSULT-IINJAT0256S04CONSULT-II Setting ProcedureNJAT0256S04011. Turn ignition switch ªOFFº.
2. Connect CONSULT-II to data link connector which is located
in left side lower dash panel.
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTIONEURO-OBD
CONSULT-II (Cont'd)
AT-57

SAT580J
5. Touch ªA/Tº.
SAT971J
6. Touch ªDATA MONITORº.
SAT972J
7. Touch ªMAIN SIGNALSº or ªECU INPUT SIGNALSº.
8. Select ªNumerical Displayº, ªBarchart Displayº or ªLine Graph
Displayº.
SAT973J
9. Touch ªSETTINGº to recording condition (ªAUTO TRIGº or
ªMANU TRIGº) and touch ªBACKº.
10. Touch ªStartº.
SAT985J
11. When performing cruise test, touch ªRECORDº.
TROUBLE DIAGNOSIS Ð BASIC INSPECTION
Road Test (Cont'd)
AT-91

Diagnostic ProcedureNJAT0039
1 CHECK INPUT SIGNAL (With CONSULT-II)
With CONSULT-II
1. Start engine.
2. Select ªECU INPUT SIGNALSº in ªDATA MONITORº mode for ªA/Tº with CONSULT-II.
SAT580J
3. Read out the value of ªVHCL/S SE´A/Tº while driving.
Check the value changes according to driving speed.
SAT614J
OK or NG
OK©GO TO 3.
NG©GO TO 2.
2 CHECK REVOLUTION SENSOR (With CONSULT-II)
With CONSULT-II
1. Start engine.
MTBL0452
+Harness for short or open between TCM, ECM and revolution sensor (Main harness)
OK or NG
OK©GO TO 3.
NG©Repair or replace damaged parts.
VEHICLE SPEED SENSOR´A/T
(REVOLUTION SENSOR)
EXCEPT FOR EURO-OBD
Diagnostic Procedure
AT-127

Diagnostic ProcedureNJAT0080
1 CHECK INPUT SIGNAL
With CONSULT-II
1. Start engine.
2. Select ªECU INPUT SIGNALSº in ªDATA MONITORº mode for ªA/Tº with CONSULT-II.
3. Read out the value of ªVHCL/S SE´MTRº while driving.
Check the value changes according to driving speed.
SAT614J
Without CONSULT-II
1. Start engine.
2. Check voltage between TCM terminal 40 and 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.
SAT465JA
OK or NG
OK©GO TO 2.
NG©Check the following items:
+Vehicle speed sensor and ground circuit for vehicle speed sensor
Refer to EL-89, ªMETERS AND GAUGESº.
+Harness for short or open between TCM and vehicle speed sensor (Main harness)
2 CHECK DTC
Perform Self-diagnosis Code confirmation procedure, AT-129.
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 con-
nector.
VHCL SPEED SEN´MTR VEHICLE
SPEED SENSOR´MTR
EXCEPT FOR EURO-OBD
Diagnostic Procedure
AT-131