2006 NISSAN VERSA ECU

CVT-66
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-44, "
CAN Diagnostic Support
Monitor" .
CVT LAMP (ON/OFF) — —
SPORT MODE IND (ON/OFF) — —
MMODE IND (ON/OFF) — — Not mounted but displayed.
SMCOIL D (ON/OFF) — — Step motor coil “D” energizing status
SMCOIL C (ON/OFF) — — Step motor coil “C” energizing status
SMCOIL B (ON/OFF) — — Step motor coil “B” energizing status
SMCOIL A (ON/OFF) — — Step motor coil “A” energizing status
LUSEL SOL OUT (ON/OFF) — —
REV LAMP (ON/OFF) — X
STRTR RLY OUT (ON/OFF) — — Starter relay
LUSEL SOL MON (ON/OFF) — —
STRTR RLY MON (ON/OFF) — — Starter relay
VDC ON (ON/OFF) X —
Not mounted but displayed.
TCS ON (ON/OFF) X —
ABS ON (ON/OFF) X —
ACC ON (ON/OFF) X — Not mounted but displayed.
RANGE — XIndicates position is recognized by TCM. Indi-
cates a specific value required for control when
fail-safe function is activated.
M GEAR POS — X
Voltage (V) — —Displays the value measured by the voltage
probe.
Frequency (Hz) — —
The value measured by the pulse probe is dis-
played. DUTY-HI (high) (%) — —
DUTY-LOW (low) (%) — —
PLS WIDTH-HI (ms) — —
PLS WIDTH-LOW (ms) — —Monitored item (Unit)Monitor item selection
Remarks ECU
INPUT
SIGNALSMAIN SIG-
NALSSELEC-
TION
FROM
MENU
BCIA0031E

CVT-72
DTC P0615 START SIGNAL CIRCUIT
Revision: June 20062007 Versa
DTC P0615 START SIGNAL CIRCUITPFP:25230
DescriptionUCS005YQ

TCM controls starter relay in IPDM E/R.

TCM switches starter relay ON at “P” or “N” position and allows to crank engine.

Then it prohibits cranking other than at “P” or “N” position.
CONSULT-II Reference ValueUCS005YR
On Board Diagnosis LogicUCS005YS

This is not an OBD-II self-diagnostic item.

Diagnostic trouble code “P0615 STARTER RELAY/CIRC” with CONSULT-II is detected when starter relay
switched ON other than at “P” or “N” position. (or when switched OFF at “P” or “N” position).
Possible CauseUCS005YT

Harness or connectors
(Starter relay and TCM circuit is open or shorted.)

Starter relay
DTC Confirmation ProcedureUCS005YU
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, touch “ERASE” on “SELF-DIAG RESULTS” and then perform the following procedure to con-
firm the malfunction is eliminated.
WITH CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “DATA MONITOR” mode for “TRANSMISSION” with
CONSULT-II.
3. Start engine.
4. Drive vehicle for at least 2 consecutive seconds.
5. If DTC is detected, go to CVT-74, "
Diagnostic Procedure" .
Item name Condition Display value
STRTR RLY OUTSelector lever in “P” and “N” positions ON
Selector lever in other positions OFF
STRTR RLY MONSelector lever in “P” and “N” positions ON
Selector lever in other positions OFF
BCIA0031E

CVT-76
DTC P0703 STOP LAMP SWITCH CIRCUIT
Revision: June 20062007 Versa
DTC P0703 STOP LAMP SWITCH CIRCUITPFP:25320
DescriptionUCS005YX
ON, OFF status of the stop lamp switch is sent via the CAN communication from the combination meter to
TCM using the signal.
CONSULT-II Reference ValueUCS005YY
On Board Diagnosis LogicUCS005YZ

This is not an OBD-II self-diagnostic item.

Diagnostic trouble code “P0703 BRAKE SW/CIRC” with CONSULT-II is detected when the stop lamp
switch does not switch to ON and OFF.
–The stop lamp switch does not switch to ON, OFF.
Possible CauseUCS005Z0

Harness or connectors
(Stop lamp switch, and combination meter circuit are open or shorted.)
(CAN communication line is open or shorted.)

Stop lamp switch
DTC Confirmation ProcedureUCS005Z1
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, touch “ERASE” on “SELF-DIAG RESULTS” and then perform the following procedure to con-
firm the malfunction is eliminated.
WITH CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “DATA MONITOR” mode for “TRANSMISSION” with
CONSULT-II.
3. Start engine.
4. Start vehicle for at least 3 consecutive seconds.
5. If DTC is detected, go to CVT-77, "
Diagnostic Procedure" .
Item name Condition Display value
BRAKE SWDepressed brake pedal ON
Released brake pedal OFF
BCIA0031E

DTC P0703 STOP LAMP SWITCH CIRCUIT
CVT-77
D
E
F
G
H
I
J
K
L
MA
B
CVT
Revision: June 20062007 Versa
Diagnostic ProcedureUCS005Z2
1. CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis check. Refer to CVT-60, "
SELF-DIAGNOSTIC RESULT MODE" .
Is any malfunction of the
“U1000 CAN COMM CIRCUIT” indicated?
YES >> Check CAN communication line. Refer to CVT-68, "DTC U1000 CAN COMMUNICATION LINE" .
NO >> GO TO 2.
2. CHECK STOP LAMP SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“TRANSMISSION” with CONSULT-II.
3. Read out ON/OFF switching action of the “BRAKE SW”.
OK or NG
OK >>INSPECTION END
NG >> GO TO 3.
3. CHECK STOP LAMP SWITCH
Check continuity between stop lamp switch harness connector E13
terminals 1 and 2. Refer to CVT-176, "
Wiring Diagram — CVT —
NONDTC" .
Check stop lamp switch after adjusting brake pedal — refer to
BR-6, "
BRAKE PEDAL" .
OK or NG
OK >> Check the following. If NG, repair or replace damaged
parts.

Harness for short or open between battery and stop lamp switch.

Harness for short or open between stop lamp switch and combination meter.
NG >> Repair or replace the stop lamp switch.
Item name Condition Display value
BRAKE SWDepressed brake pedal ON
Released brake pedal OFF
SCIA2275E
Condition Continuity
When brake pedal is depressed Yes
When brake pedal is released No
SCIA7982E

DTC P0705 PARK/NEUTRAL POSITION SWITCH
CVT-79
D
E
F
G
H
I
J
K
L
MA
B
CVT
Revision: June 20062007 Versa
WITH CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “DATA MONITOR” mode for “TRANSMISSION” with
CONSULT-II.
3. Start engine.
4. Drive vehicle and maintain the following conditions for at least 2
consecutive seconds.
VEHICLE SPEED: More than 10 km/h (6 MPH)
ENG SPEED: More than 450 rpm
ACC PEDAL OPEN: More than 1.0/8
5. If DTC is detected, go to CVT-82, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II”.
BCIA0031E

CVT-82
DTC P0705 PARK/NEUTRAL POSITION SWITCH
Revision: June 20062007 Versa
Diagnostic ProcedureUCS005Z9
1. CHECK PNP SW SIGNALS
With CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“TRANSMISSION” with CONSULT-II.
3. Change selector lever to “P”, “R”, “N”, “D” and “L” positions to
check the value of “INH SW1” “INH SW2” “INH SW3” “INH SW4”
and “INH SW3M”.
Without CONSULT-II
1. Turn ignition switch ON. (Do not start engine.)
2. Change selector lever to “P“, “R”, “N”, “D” and “L” positions to
check voltage between the TCM connector terminals and
ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 2.
Shift
posi-
tion “INH SW1” “INH SW2” “INH SW3” “INH SW4” “INH SW3M”
P OFF OFF OFF OFF OFF
R ON OFF OFF ON OFF
N ON ON OFF OFF OFF
DONONONON ON
L OFF ON ON OFF ON
SCIA2276E
Shift
positionConnector E32
Te r m i n a l
27 - Ground 34 - Ground 35 - Ground 36 - Ground32 -
Ground
PBattery volt-
age10.0 V - Bat-
tery voltage8.0 V - Bat-
tery voltage10.0 V - Bat-
tery voltage8.0 V -
Battery
voltage
R0 V10.0 V - Bat-
tery voltage8.0 V - Bat-
tery voltage0 V8.0 V -
Battery
voltage
N0 V 0 V8.0 V - Bat-
tery voltage10.0 V - Bat-
tery voltage8.0 V -
Battery
voltage
D0 V0 V0 V0 V0 V
LBattery volt-
age0 V 0 V10.0 V - Bat-
tery voltage0 V
SCIA2024E

DTC P0710 CVT FLUID TEMPERATURE SENSOR CIRCUIT
CVT-87
D
E
F
G
H
I
J
K
L
MA
B
CVT
Revision: June 20062007 Versa
TCM terminal data are reference values, measured between each terminal and ground.
Diagnostic ProcedureUCS005ZH
1. CHECK CVT FLUID TEMPERATURE SENSOR SIGNAL
With CONSULT-II
1. Start engine.
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for
“TRANSMISSION” with CONSULT-II.
3. Read out the value of “ATF TEMP SEN”.
Without CONSULT-II
1. Start engine.
2. Check voltage between TCM connector terminals.
3. Turn ignition switch OFF.
4. Disconnect TCM connector.
5. Check if there is continuity between connector terminal and
ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 2.
2. CHECK CVT FLUID TEMPERATURE SENSOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the TCM connector.
3. Check resistance between TCM connector terminals.
OK or NG
OK >> GO TO 5.
NG >> GO TO 3.
Terminal Wire color Item Condition Data (Approx.)
42 LG Sensor ground Always 0 V
47 GCVT fluid tempera-
ture sensorWhen CVT fluid temperature is 20°C (68°F). 2.0 V
When CVT fluid temperature is 80°C (176°F). 1.0 V
Item name ConditionDisplay value
(Approx.)
AT F T E M P S E NWhen CVT fluid temperature is 20°C
(68°F).2.0 V
When CVT fluid temperature is 80°C
(176°F).1.0 V
SCIA2277E
Name Connector TerminalTemperature
°C (°F)Voltage
(Approx.)
CVT fluid tem-
perature sen-
sorE32 47 - 4220 (68) 2.0 V
80 (176) 1.0 V
SCIA2027E
Name Connector TerminalTemperature
°C (°F)Resistance
(Approx.)
CVT fluid tem-
perature sensorE32 47 - 4220 (68) 6.5 kΩ
80 (176) 0.9 kΩ
SCIA2510E

CVT-90
DTC P0715 INPUT SPEED SENSOR CIRCUIT (PRI SPEED SENSOR)
Revision: June 20062007 Versa
DTC P0715 INPUT SPEED SENSOR CIRCUIT (PRI SPEED SENSOR)PFP:31935
DescriptionUCS005ZJ

The input speed sensor (primary speed sensor) is included in the control valve assembly.

The input speed sensor (primary speed sensor) detects the primary pulley revolution speed and sends a
signal to the TCM.
CONSULT-II Reference ValueUCS005ZK
Remarks: Specification data are reference values.
On Board Diagnosis LogicUCS005ZL

This is an OBD-II self-diagnostic item.

Diagnostic trouble code “P0715 INPUT SPD SEN/CIRC” with CONSULT-II is detected when TCM does
not receive the proper signal from the sensor.
Possible CauseUCS005ZM

Harness or connectors
(Sensor circuit is open or shorted.)

Input speed sensor (Primary speed sensor)
DTC Confirmation ProcedureUCS005ZN
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, touch “ERASE” on “SELF-DIAG RESULTS” and then perform the following procedure to con-
firm the malfunction is eliminated.
WITH CONSULT-II
1. Turn ignition switch ON and select “DATA MONITOR” mode for
“TRANSMISSION” with CONSULT-II.
2. Start engine and maintain the following conditions for at least 5
consecutive seconds.
VEHICLE SPEED: 10 km/h (6 MPH) or more
ACC PEDAL OPEN: More than 1.0/8
RANGE: “D” position
ENG SPEED: 450 rpm or more
Driving location: Driving the vehicle uphill (increased
engine load) will help maintain the driving conditions
required for this test.
3. If DTC is detected, go to CVT-92, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II”.
Item name Condition Display value
ENG SPEED SIG Engine running Closely matches the tachometer reading.
PRI SPEED SEN During driving (lock-up ON) Approximately matches the engine speed.
BCIA0031E