NISSAN LATIO 2007 Service Owners Manual

AT-78
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
TCM Terminals and Reference ValueUCS005N0
TCM CONNECTOR TERMINAL LAYOUT
TCM INSPECTION TABLE
TCM terminal data are reference values, measured between each terminal and ground.
SCIA0495E
Te r m i n a lWire
colorItem ConditionJudgement stan-
dard (Approx.)
1WLine pressure solenoid
valveWhen releasing accelerator pedal after
warming up engine.1.5 - 3.0 V
When depressing accelerator pedal
fully after warming up engine.0 V
2PLine pressure solenoid
valve (with dropping
resistor)When releasing accelerator pedal after
warming up engine.4 - 14 V
When depressing accelerator pedal
fully after warming up engine.0 V
3GRTorque converter clutch
solenoid valveWhen A/T performs lock-up. 8 - 15 V
When A/T does not perform lock-up. 0 V
5 L CAN H — —
6 P CAN L — —
10 R Power supplyWhen turning ignition switch to “ON”. Battery voltage
When turning ignition switch to “OFF”. 0 V
11 O Shift solenoid valve AWhen shift solenoid valve A operates.
(When driving in “D
1 ” or “D4 ”.)Battery voltage
When shift solenoid valve A does not
operate.
(When driving in “D
2 ” or “D3 ”.)0 V
12 G Shift solenoid valve BWhen shift solenoid valve B operates.
(When driving in “D
1 ” or “D2 ”.)Battery voltage
When shift solenoid valve B does not
operate.
(When driving in “D
3 ” or “D4 ”.)0 V
19 R Power supplyWhen turning ignition switch to “ON”. Battery voltage
When turning ignition switch to “OFF”. 0 V
20 VOverrun clutch solenoid
valveWhen overrun clutch solenoid valve
operates. (When overrun clutch disen-
gaged. Refer to AT-2 2
.)Battery voltage
When overrun clutch solenoid valve
does not operate. (When overrun
clutch engaged. Refer to AT- 2 2
.)0 V
25 B Ground Always 0 V

TROUBLE DIAGNOSIS
AT-79
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*1: These terminals are connected to the data link connector.*2: These terminals are connected to the ECM.26 Y PNP switch “1” position
and When setting selector lever to “1” posi-
tion.Battery voltage
When setting selector lever to other
positions.0 V
27 G PNP switch “2” positionWhen setting selector lever to “2” posi-
tion.Battery voltage
When setting selector lever to other
positions.0 V
28 GRPower supply
(memory back-up)Always Battery voltage
29 V Revolution sensor When driving at 20 km/h (12 MPH) 150 Hz
30
*1BR CONSULT- II (RX) — —
31
*1Y CONSULT- II (TX) — —
34 LG PNP switch “D” position
and When setting selector lever to “D” posi-
tion.Battery voltage
When setting selector lever to other
positions.0 V
35 SB PNP switch “R” positionWhen setting selector lever to “R” posi-
tion.Battery voltage
When setting selector lever to other
positions.0 V
36 RPNP switch “N” or “P”
positionWhen setting selector lever to “N” or
“P” position.Battery voltage
When setting selector lever to other
positions.0 V
38 GTurbine revolution sen-
sor (power train revolu-
tion sensor)When driving at 20 km/h (12 MPH) 360 Hz
39
*2L Engine speed signal
and Refer to EC-105 .
40 O Vehicle speed sensorWhen driving vehicle at 2 to 3 km/h (1
to 2 MPH) for 1 m (3 ft) or more.Voltage varies
between less
than 0 V and
more than 4.5 V
42 B Sensor ground Always 0 V
47 BRA/T fluid temperature
sensor
and When A/T fluid temperature is 20°C
(68°F).1.5 V
When A/T fluid temperature is 80°C
(176°F).0.5 V
48 B Ground Always 0 V Te r m i n a lWire
colorItem ConditionJudgement stan-
dard (Approx.)

AT-80
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
CONSULT-II Function (A/T)UCS005N1
CONSULT-II can display each diagnostic item using the diagnostic test models shown following.
FUNCTION
CONSULT-II REFERENCE VALUE
NOTICE:
1. The CONSULT-II electrically displays shift timing and lock-up timing (that is, operation timing of each sole-
noid).
Check for time difference between actual shift timing and the CONSULT-II display. If the difference is
noticeable, mechanical parts (except solenoids, sensors, etc.) may be malfunctioning. Check mechanical
parts using applicable diagnostic procedures.
2. Shift schedule (which implies gear position) displayed on CONSULT-II and that indicated in Service Man-
ual may differ slightly. This occurs because of the following reasons:
–Actual shift schedule has more or less tolerance or allowance,
–Shift schedule indicated in Service Manual refers to the point where shifts start, and
–Gear position displayed on CONSULT-II indicates the point where shifts are completed.
3. Shift solenoid valve “A” or “B” is displayed on CONSULT-II at the start of shifting. Gear position is dis-
played upon completion of shifting (which is computed by TCM).
Diagnostic test mode Function Reference page
Work supportThis mode enables a technician to adjust some devices faster and more accurately by
following the indications on CONSULT-II.—
Self-diagnostic results Self-diagnostic results can be read and erased quickly.AT- 8 2
Data monitor Input/Output data in the TCM can be read.AT- 8 4
CAN diagnostic support
monitorThe results of transmit/receive diagnosis of CAN communication can be read.AT- 8 6
Function testPerformed by CONSULT-II instead of a technician to determine whether each system
is “OK” or “NG”.—
DTC work support Select the operating condition to confirm Diagnostic Trouble Codes.AT- 8 6
TCM part number TCM part number can be read. —
Item name Condition Display value (Approx.)
VHCL/S SE-A/T
During drivingApproximately matches the speedometer
reading.
VHCL/S SE-MTR
THROTTLE POSIReleased accelerator pedal. 0.0/8
Fully depressed accelerator pedal. 8.0/8
FLUID TEMP SE When A/T fluid temperature is 20°C (68°F). 1.5 V
When A/T fluid temperature is 80°C (176°F). 0.5 V
BATTERY VOLT When turning ignition switch to “ON”. Battery voltage
ENGINE SPEED Engine runningApproximately matches the tachometer
reading.
TURBINE REV During driving (lock-up ON) Approximately matches the engine speed.
OVERDRIVE SWWhen overdrive control switch is depressed. ON
When overdrive control switch is released. OFF
PN POSI SWWhen setting selector lever to “N” or “P” posi-
tion.ON
When setting selector lever to other positions. OFF
R POSITION SWWhen setting selector lever to “R” position. ON
When setting selector lever to other positions. OFF
D POSITION SWWhen setting selector lever to “D” position. ON
When setting selector lever to other positions. OFF

TROUBLE DIAGNOSIS
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2 POSITION SWWhen setting selector lever to “2” position. ON
When setting selector lever to other positions. OFF
1 POSITION SWWhen setting selector lever to “1” position. ON
When setting selector lever to other positions. OFF
CLOSED THL/SWReleased accelerator pedal. ON
Depressed accelerator pedal. OFF
W/O THRL/P-SWFully depressed accelerator pedal. ON
Released accelerator pedal. OFF
SHIFT S/V AWhen shift solenoid valve A operates.
(When driving in “D
1 ” or “D4 ”.)ON
When shift solenoid valve A does not operate.
(When driving in “D
2 ” or “D3 ”.)OFF
SHIFT S/V BWhen shift solenoid valve B operates.
(When driving in “D
1 ” or “D2 ”.)ON
When shift solenoid valve B does not operate.
(When driving in “D
3 ” or “D4 ”.)OFF
OVERRUN/C S/VWhen overrun clutch solenoid valve operates.
(When overrun clutch disengaged. Refer to AT-
22 .)ON
When overrun clutch solenoid valve does not
operate. (When overrun clutch engaged. Refer
to AT- 2 2
.)OFF
BRAKE SWDepressed brake pedal. ON
Released brake pedal. OFF
GEAR During driving 1, 2, 3, 4
SLCT LVR POSIWhen setting selector lever to “N” or “P” posi-
tions.N · P
When setting selector lever to “R” position. R
When setting selector lever to “D” position. D
When setting selector lever to “2” position. 2
When setting selector lever to “1” position. 1
VEHICLE SPEED During drivingApproximately matches the speedometer
reading.
LINE PRES DTY Line pressure low ⇔ Line pressure high 0 % ⇔ 94 %
TCC S/V DUTY Lock-up OFF ⇔ Lock-up ON 4 % ⇔ 94 % Item name Condition Display value (Approx.)

AT-82
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
CONSULT-II SETTING PROCEDURE
Rafer to GI-38, "CONSULT-II Start Procedure" .
SELF-DIAGNOSTIC RESULT MODE
After performing AT- 9 0 , "Diagnostic Procedure Without CONSULT-II" , place check marks for results on the
AT-47, "
DIAGNOSTIC WORKSHEET" . Reference pages are provided following the items.
Operation Procedure
1. Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE”
screen.
Display shows malfunction experienced since the last erasing
operation.
Display Items List
BCIA0031E
Items (CONSULT-II
screen terms)Malfunction is detected when...OBD-II (DTC)
Reference
page MIL indicator
lamp*1,
“ENGINE” with
CONSULT-II or
GST
CAN COMM CIRCUIT

When TCM is not transmitting or receiving CAN communication sig-
nal for 2 seconds or more.U1000AT- 9 4
PNP SW/CIRC
TCM does not receive the correct voltage signal (based on the gear
position) from the switch.P0705AT- 9 7
ATF TEMP SEN/CIRC
TCM receives an excessively low or high voltage from the sensor. P0710AT-102
VHCL SPEED SEN-A/T
TCM does not receive the proper voltage signal from the sensor. P0720AT-107
ENGINE SPEED SIG
TCM does not receive the proper voltage signal from the ECM. P0725AT- 11 3
A/T 1ST GR FNCTN
A/T cannot be shifted to the 1st gear position even if electrical circuit
is good.P0731*2AT- 11 7
A/T 2ND GR FNCTN
A/T cannot be shifted to the 2nd gear position even if electrical circuit
is good.P0732*2AT-121
A/T 3RD GR FNCTN
A/T cannot be shifted to the 3rd gear position even if electrical circuit
is good.P0733*2AT-124
A/T 4TH GR FNCTN
A/T cannot be shifted to the 4th gear position even if electrical circuit
is good.P0734*2AT-128
T/C CLUTCH SOL/V
TCM detects an improper voltage drop when it tries to operate the
solenoid valve.P0740AT-134
A/T TCC S/V FNCTN
A/T cannot perform lock-up even if electrical circuit is good.
P0744*2AT-139
LINE PRESSURE S/V
TCM detects an improper voltage drop when it tries to operate the
solenoid valve.P0745AT-145
SHIFT SOLENOID/V A
TCM detects an improper voltage drop when it tries to operate the
solenoid valve.P0750AT-151
SHIFT SOLENOID/V B
TCM detects an improper voltage drop when it tries to operate the
solenoid valve.P0755 AT-156
OVERRUN CLUTCH S/
V
TCM detects an improper voltage drop when it tries to operate the
solenoid valve.P1760AT-161
VHCL SPEED SEN-
MTR
TCM does not receive the proper voltage signal from the sensor. —AT-166

TROUBLE DIAGNOSIS
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*1: Refer to AT- 4 2 , "Malfunction Indicator Lamp (MIL)" .
*2: These malfunctions cannot be displayed MIL if another malfunction is assigned to MIL.
How to Erase Self-diagnostic Results
1. Touch “SELF-DIAG RESULTS” on “SELECT DIAG MODE”
screen.
2. Touch “ERASE”. (The self-diagnostic results will be erased.)
BATT/FLUID TEMP
SEN
TCM receives an excessively low or high voltage from the sensor. —AT- 1 7 0
TURBINE SENSOR
TCM does not receive proper voltage signal from sensor. —AT- 1 7 6
CONTROL UNIT (RAM)
TCM memory (RAM) is malfunctioning. —AT- 1 8 2
CONTROL UNIT (ROM)
TCM memory (ROM) is malfunctioning. —AT- 1 8 2
No failure
(NO SELF DIAGNOS-
TIC FAILURE INDI-
CATED FURTHER
TESTING MAY BE
REQUIRED)

No failure has been detected. — — Items (CONSULT-II
screen terms)Malfunction is detected when...OBD-II (DTC)
Reference
page MIL indicator
lamp*1,
“ENGINE” with
CONSULT-II or
GST
BCIA0031E
SCIA4849E

AT-84
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
DATA MONITOR MODE
Operation Procedure
1. Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
NOTE:
When malfunction is detected, CONSULT-II performs
“REAL-TIME DIAGNOSIS”. Also, any malfunction detected
while in this mode will be displayed in real time.
Display Items List
X: Standard, —: Not applicable, : Option
BCIA0031E
Monitored item (Unit)Monitor Item Selection
Remarks
TCM INPUT
SIGNALSMAIN SIG-
NALSSELEC-
TION FROM
MENU
VHCL/S SE-A/T (km/h) X — Revolution sensor
VHCL/S SE-MTR (km/h) X —Vehicle speed display may not be accu-
rate under approx. 10 km/h (6 mph). It
may not indicate 0 km/h (0 mph) when
vehicle is stationary.
THRTL POS SEN (V) X —
FLUID TEMP SE (V) X —
BATTERY VOLT (V) X —
ENGINE SPEED (rpm) X X
TURBINE REV (rpm) X —
OVERDRIVE SW (ON/OFF) X —
PN POSI SW (ON/OFF) X —
R POSITION SW (ON/OFF) X —
D POSITION SW (ON/OFF) X —
2 POSITION SW (ON/OFF) X —
1 POSITION SW (ON/OFF) X —
ASCD-CRUISE (ON/OFF) X —
Signal input with CAN communication.
ASCD-OD CUT (ON/OFF) X —
KICKDOWN SW (ON/OFF) X —
Not mounted but displayed.
POWERSHIFT SW (ON/OFF) X —
CLOSED THL/SW (ON/OFF) X —
Signal input with CAN communication.
W/O THRL/P-SW (ON/OFF) X —
*SHIFT S/V A (ON/OFF) — —
Displays status of check signal (reinput
signal) for TCM control signal output.
Remains unchanged when solenoid
valves are open or shorted. *SHIFT S/V B (ON/OFF) — —
*OVRRUN/C S/V (ON/OFF) — —
HOLD SW (ON/OFF) X — Not mounted but displayed.

TROUBLE DIAGNOSIS
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BRAKE SW (ON/OFF) X —Stop lamp switch (Signal input with CAN
communication)
GEAR — XGear position recognized by the TCM
updated after gear-shifting
SLCT LVR POSI — XSelector lever position is recognized by
the TCM.
For fail-safe operation, the specific value
used for control is displayed.
VEHICLE SPEED (km/h) — X Vehicle speed recognized by the TCM.
THROTTLE POSI (0.0/8) — XDegree of opening for accelerator recog-
nized by the TCM
For fail-safe operation, the specific value
used for control is displayed.
LINE PRES DTY (%) — X
TCC S/V DUTY (%) — X
SHIFT S/V A (ON/OFF) — X
SHIFT S/V B (ON/OFF) — X
OVERRUN/C S/V (ON/OFF) — X
SELF-D DP LMP (ON/OFF) — X
TC SLIP RATIO (0.000) — —
TC SLIP SPEED (rpm) — —Difference between engine speed and
torque converter input shaft speed
Voltage (V) — —Displays the value measured by the volt-
age probe.
Frequency (Hz) — —
The value measured by the pulse probe
is displayed. DUTY-HI (high) (%) — —
DUTY-LOW (low) (%) — —
PLS WIDTH-HI (ms) — —
PLS WIDTH-LOW (ms) — —Monitored item (Unit)Monitor Item Selection
Remarks
TCM INPUT
SIGNALSMAIN SIG-
NALSSELEC-
TION FROM
MENU

AT-86
TROUBLE DIAGNOSIS
Revision: June 20062007 Versa
CAN DIAGNOSTIC SUPPORT MONITOR MODE
Operation Procedure
1. Touch “CAN DAIG SUPPORT MNTR” on “SELECT DIAG
MODE” screen. Refer to LAN-13, "
CAN Diagnostic Support
Monitor" .
DTC WORK SUPPORT MODE
Operation Procedure
1. Touch “DTC WORK SUPPORT” on “SELECT DIAG MODE”
screen.
2. Touch select item menu (1ST, 2ND, etc.).
3. Touch “START”.
BCIA0031E
BCIA0031E
SAT0 1 8K
SAT5 8 9J

TROUBLE DIAGNOSIS
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4. Perform driving test according to “DTC CONFIRMATION PRO-
CEDURE” in “TROUBLE DIAGNOSIS FOR DTC”.

When testing conditions are satisfied, CONSULT-II screen
changes from “OUT OF CONDITION” to “TESTING”.
5. Stop vehicle.

If “NG” appears on the screen, malfunction may exist. Go
to “Diagnostic Procedure”.
SAT0 1 9K
SAT5 9 1J
SAT5 9 2J
SAT5 9 3J