ignition NISSAN TEANA 2003 Service Manual

CVT-66
DTC P0705 PARK/NEUTRAL POSITION SWITCH

Diagnostic ProcedureBCS001HH
1. CHECK PNP SW 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. Selector lever to “P”, “R”, “N” and “D” position 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” or “D” position 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
DON ON ON ON ON
SCIA2276E
Shift
positionConnector F107
Te r m i n a l
27 - Ground 34 - Ground 35 - Ground 36 - Ground 32 - Ground
PBattery volt-
age10.0 V -
Battery volt-
age8.0 V - Bat-
tery voltage10.0 V -
Battery volt-
age8.0 V - Bat-
tery voltage
R0 V10.0 V -
Battery volt-
age8.0 V - Bat-
tery voltage0 V8.0 V - Bat-
tery voltage
N0 V 0 V8.0 V - Bat-
tery voltage10.0 V -
Battery volt-
age8.0 V - Bat-
tery voltage
D0 V0 V0 V0 V0 V
SCIA2024E

DTC P0705 PARK/NEUTRAL POSITION SWITCH
CVT-67
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2. CHECK HARNESS BETWEEN TCM AND PNP SWITCH
1. Turn ignition switch OFF.
2. Disconnect TCM connector.
3. Check continuity between TCM connector terminals and ground.
4. If OK, check harness for short-circuit to ground or power supply.
OK or NG
OK >> GO TO 5.
NG >> GO TO 3.
3. CHECK HARNESS BETWEEN TCM AND PNP SWITCH
1. Turn ignition switch OFF.
2. Disconnect TCM connector and CVT unit harness connector.
3. Check continuity between TCM connector terminals and CVT
unit harness connector terminals.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
Connector Terminal Condition Continuity
F10727 - groundSelect lever in “P” position. No
Selector lever in “R”, “N” and “D”
positions.Ye s
32 - groundSelector lever in “P”, “R” and “N”
positions.No
Selector lever in “D” position. Yes
34 - groundSelect lever in “P”, “R” positions. No
Selector lever in “N”, “D” positions. Yes
35 - groundSelector lever in “P”, “R” and “N”
positions.No
Selector lever in “D” position. Yes
36 - groundSelect lever in “P”, “N” positions. No
Selector lever in “R”, “D” positions. Yes
SCIA5258E
Item Connector Terminal Continuity
TCM F107 27
Ye s
CVT unit harness connector F49 4
TCM F107 34
Ye s
CVT unit harness connector F49 5
TCM F107 35
Ye s
CVT unit harness connector F49 14
TCM F107 32
Ye s
CVT unit harness connector F49 18
TCM F107 36
Ye s
CVT unit harness connector F49 15
SCIA3182E

DTC P0710 CVT FLUID TEMPERATURE SENSOR CIRCUIT
CVT-69
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DTC P0710 CVT FLUID TEMPERATURE SENSOR CIRCUITPFP:31020
DescriptionBCS001HJ
The CVT fluid temperature sensor detects the CVT fluid temperature and sends a signal to the TCM.
CONSULT-II Reference ValueBCS001HK
Remarks: Specification data are reference values.
On Board Diagnosis LogicBCS001HL
Diagnostic trouble code “P0710 ATF TEMP SEN/CIRC” with CONSULT-II is detected when TCM receives an
excessively low or high voltage from the sensor.
Possible CauseBCS001HM

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

CVT fluid temperature sensor
DTC Confirmation ProcedureBCS001HN
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 and maintain the following conditions for at least 10
minutes (Total).
VEHICLE SPEED: 10 km/h (6 MPH) or more
ENG SPEED: 450 rpm more than
ACC PEDAL OPEN: More than 1.0/8
RANGE: “D” position
4. If DTC is detected, go to CVT-71, "
Diagnostic Procedure" .
Item name Condition Display value (Approx.)
ATF TEMP SEN Cold [20°C (68°F)] 2.0 V
Hot [80°C (176°F)] 1.0 V
BCIA0031E

DTC P0710 CVT FLUID TEMPERATURE SENSOR CIRCUIT
CVT-71
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TCM terminal data are reference values, measured between each terminal and ground.
Diagnostic ProcedureBCS001HP
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 W/R Sensor ground Always 0 V
47 VCVT 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 Condition Display value (Approx.)
ATF TEMP SENCold [20°C (68°F)] 2.0 V
Hot [80°C (176°F)] 1.0 V
SCIA2277E
Name Connector TerminalTemperature
°C (°F)Voltage
(Approx.)
CVT fluid tem-
perature sensorF107 47 - 4220 (68) 2.0 V
80 (176) 1.0 V
SCIA2027E
Name Connector TerminalTemperature
°C (°F)Resistance
(Approx.)
CVT fluid tem-
perature sensorF107 47 - 4220 (68) 6.5 kΩ
80 (176) 0.9 kΩ
SCIA2510E

CVT-72
DTC P0710 CVT FLUID TEMPERATURE SENSOR CIRCUIT

3. CHECK CVT FLUID TEMPERATURE SENSOR
1. Turn ignition switch OFF.
2. Disconnect CVT unit harness connector.
3. Check resistance between CVT unit harness connector termi-
nals.
4. Reinstall any part removed.
OK or NG
OK >> GO TO 4.
NG >> Replace the transaxle assembly. Refer to CVT-193,
"Removal and Installation" .
4. CHECK HARNESS BETWEEN TCM AND CVT FLUID TEMPERATURE SENSOR
1. Turn ignition switch OFF.
2. Disconnect the TCM connector and CVT unit harness connector.
3. Check continuity between TCM connector terminals and CVT
unit harness connector terminals.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace damaged parts.
5. CHECK DTC
Perform “DTC Confirmation Procedure”. Refer to CVT-69, "
DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 6.
6. CHECK TCM
1. Check TCM input/output signal. Refer to CVT-40, "
TCM Input/Output Signal Reference Values" .
2. If NG, re-check TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >>INSPECTION END
NG >> Repair or replace damaged parts.
Name Connector TerminalTe m p e r a -
ture °C (°F)Resistance
(Approx.)
CVT fluid
tempera-
ture sensorF49 17 - 1920 (68) 6.5 kΩ
80 (176) 0.9 kΩ
SCIA4679E
Item Connector Terminal Continuity
TCM F107 42
Ye s
CVT unit harness connector F49 19
TCM F107 47
Ye s
CVT unit harness connector F49 17
SCIA4680E

DTC P0710 CVT FLUID TEMPERATURE SENSOR CIRCUIT
CVT-73
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CVT

Component InspectionBCS001HQ
CVT FLUID TEMPERATURE SENSOR
1. Turn ignition switch OFF.
2. Disconnect CVT unit harness connector.
3. Check resistance between CVT unit harness connector termi-
nals.
4. If NG, replace the transaxle assembly. Refer to CVT-193,
"Removal and Installation" .
Name Connector TerminalTempera-
ture °C (°F)Resistance
(Approx.)
CVT fluid
tempera-
ture sensorF49 17 - 1920 (68) 6.5 kΩ
80 (176) 0.9 kΩ
SCIA4679E

CVT-74
DTC P0715 INPUT SPEED SENSOR CIRCUIT (PRI SPEED SENSOR)

DTC P0715 INPUT SPEED SENSOR CIRCUIT (PRI SPEED SENSOR)PFP:31935
DescriptionBCS001HR
The input speed sensor (primary speed sensor) detects the primary pulley revolution speed and sends a sig-
nal to the TCM.
CONSULT-II Reference ValueBCS001HS
Remarks: Specification data are reference values.
On Board Diagnosis LogicBCS001HT
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 CauseBCS001HU

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

Input speed sensor (Primary speed sensor)
DTC Confirmation ProcedureBCS001HV
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-76, "
Diagnostic Procedure" .
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

DTC P0715 INPUT SPEED SENSOR CIRCUIT (PRI SPEED SENSOR)
CVT-77
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3. CHECK HARNESS BETWEEN TCM AND CVT UNIT HARNESS CONNECTOR (SENSOR POWER
AND SENSOR GROUND)
1. Turn ignition switch OFF.
2. Disconnect TCM connector and CVT unit harness connector.
3. Check continuity between TCM connector terminals and CVT
unit harness connector terminals.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG
OK >> GO TO 6.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
4. CHECK HARNESS BETWEEN TCM AND CVT UNIT HARNESS CONNECTOR [INPUT SPEED SEN-
SOR (PRIMARY SPEED SENSOR)]
1. Turn ignition switch OFF.
2. Disconnect TCM connector and CVT unit harness connector.
3. Check continuity between TCM connector terminal and CVT unit
harness connector terminal.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG
OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power
in harness or connectors.
5. CHECK THE TCM SHORT
Replace same type TCM, perform self-diagnosis check. Erase self-diagnostic results and then drive the vehi-
cle [10 km/h (6 MPH) or more], perform self-diagnosis check. Refer to CVT-74, "
DTC Confirmation Procedure"
.
Is the
“P0715 INPUT SPD SEN/CIRC” detected again?
YES >> Replace the transaxle assembly. Refer to CVT-193, "Removal and Installation" .
NO >> Replace TCM. Refer to CVT-9, "
Precautions for TCM and CVT Assembly Replacement" .
6. CHECK DTC
Perform “DTC Confirmation Procedure”. Refer to CVT-74, "
DTC Confirmation Procedure" .
OK or NG
OK >>INSPECTION END
NG >> GO TO 7.
Item Connector Terminal Continuity
TCM F107 42
Ye s
CVT unit harness connector F49 19
TCM F107 46
Ye s
CVT unit harness connector F49 20
SCIA4681E
Item Connector Terminal Continuity
TCM F107 38
Ye s
CVT unit harness connector F49 22
SCIA4682E

DTC P0720 VEHICLE SPEED SENSOR CVT (SECONDARY SPEED SENSOR)
CVT-79
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DTC P0720 VEHICLE SPEED SENSOR CVT (SECONDARY SPEED SENSOR)
PFP:31935
DescriptionBCS001HY
The vehicle speed sensor CVT [output speed sensor (secondary speed sensor)] detects the revolution of the
CVT output shaft and emits a pulse signal. The pulse signal is sent to the TCM, which converts it into vehicle
speed.
CONSULT-II Reference ValueBCS001HZ
Remarks: Specification data are reference values.
On Board Diagnosis LogicBCS001I0
Diagnostic trouble code “P0720 VEH SPD SEN/CIR AT” with CONSULT-II is detected TCM does not receive
the proper signal from the sensor.
Possible CauseBCS001I1

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

Output speed sensor (Secondary speed sensor)
DTC Confirmation ProcedureBCS001I2
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 12
consecutive seconds.
ACC PEDAL OPEN: More than 1.0/8
RANGE: “D” position
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-81, "
Diagnostic Procedure" .
Item name Condition Display value
VSP SENSOR During driving Approximately matches the speedometer reading
BCIA0031E

CVT-82
DTC P0720 VEHICLE SPEED SENSOR CVT (SECONDARY SPEED SENSOR)

3. CHECK POWER AND SENSOR GROUND
1. Turn ignition switch OFF.
2. Disconnect the output speed sensor (secondary speed sensor) harness connector.
3. Turn ignition switch ON.
4. Check voltage between output speed sensor (secondary speed
sensor) harness connector terminals.
5. Check voltage between output speed sensor (secondary speed
sensor) harness connector terminal and ground.
6. If OK, check harness for short to ground and short to power.
7. Reinstall any part removed.
OK or NG
OK >> GO TO 4.
NG - 1 >> Battery voltage is not supplied between terminals 1 and
3, terminals 1 and ground.: GO TO 6.
NG - 2 >> Battery voltage is not supplied between terminals 1 and 3 only.: GO TO 7.
4. CHECK HARNESS BETWEEN TCM AND OUTPUT SPEED SENSOR (SECONDARY SPEED SEN-
SOR)
1. Turn ignition switch OFF.
2. Disconnect TCM connector and output speed sensor (secondary speed sensor) harness connector.
3. Check continuity between TCM connector terminal and output
speed sensor (secondary speed sensor) harness connector ter-
minal.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.
OK or NG
OK >> GO TO 5.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
Item Connector Terminal Data (Approx.)
Output speed sensor (Sec-
ondary speed sensor) F48 1 - 3 Battery voltage
SCIA2345E
Item Connector Terminal Data (Approx.)
Output speed sensor (Sec-
ondary speed sensor) F48 3 - ground Battery voltage
SCIA2346E
Item Connector Terminal Continuity
TCM F107 29
Ye s
Output speed sensor (Sec-
ondary speed sensor) F48 2
SCIA1967E