2003 NISSAN TEANA Service Manual

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Page 1889 of 3502

NISSAN TEANA 2003 Service Manual DTC P1572 ASCD BRAKE SWITCH
EC-607
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2. CHECK OVERALL FUNCTION-II
With CONSULT-II
Check “BRAKE SW2” indication in “DATA MONITOR” mode.
Without CONSULT-II
Chec

Page 1890 of 3502

NISSAN TEANA 2003 Service Manual EC-608
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DTC P1572 ASCD BRAKE SWITCH

4. DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector E201
10A fuse
Harness for open or short between ASCD brake switch and fuse
>>

Page 1891 of 3502

NISSAN TEANA 2003 Service Manual DTC P1572 ASCD BRAKE SWITCH
EC-609
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8. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Che

Page 1892 of 3502

NISSAN TEANA 2003 Service Manual EC-610
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DTC P1572 ASCD BRAKE SWITCH

12. CHECK STOP LAMP SWITCH
Refer to EC-610, "
Component Inspection" .
OK or NG
OK >> GO TO 13.
NG >> Replace stop lamp switch.
13. CHECK INTERMITTENT INCIDEN

Page 1893 of 3502

NISSAN TEANA 2003 Service Manual DTC P1574 ASCD VEHICLE SPEED SENSOR
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DTC P1574 ASCD VEHICLE SPEED SENSORPFP:31036
Component DescriptionBBS0053U
The ECM receives two vehicle speed sensor signals

DTC P1574 ASCD VEHICLE SPEED SENSOR
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DTC P1574 ASCD VEHICLE SPEED SENSORPFP:31036
Component DescriptionBBS0053U
The ECM receives two vehicle speed sensor signals via CAN communication line. One is sent from “unified
meter and A/C amp.” and the other is from TCM (Transmission control module). The ECM uses these signals
for ASCD control. Refer to EC-363, "
AUTOMATIC SPEED CONTROL DEVICE (ASCD)" for ASCD functions.
On Board Diagnosis LogicBBS0053V
This self-diagnosis has the one trip detection logic.
The MI will not light up for this diagnosis.
NOTE:
If DTC P1574 is displayed with DTC U1000, U1001, first perform the trouble diagnosis for DTC
U1000, U1001. Refer to EC-458, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605.
Refer to EC-538, "
DTC P0605 ECM"
DTC Confirmation ProcedureBBS0053W
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
Step 3 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test
is expected to be easier, it is unnecessary to lift the vehicle.
WITH CONSULT-II
1. Start engine.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Drive the vehicle at more than 40 km/h (25 MPH).
4. If DTC is detected, go to EC-612, "
Diagnostic Procedure" .
WITHOUT CONSULT-II
TESTING CONDITION:
Step 2 may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test
is expected to be easier, it is unnecessary to lift the vehicle.
1. Start engine.
2. Drive the vehicle at more than 40 km/h (25 MPH).
3. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
4. Perform Diagnostic Test Mode II (Self-diagnostic results) with ECM.
DTC No.Trouble Diagnosis
NameDTC Detecting Condition Possible Cause
P1574
1574ASCD vehicle speed
sensorECM detects a difference between two vehicle
speed signals is out of the specified range.
Harness or connectors
(The CAN communication line is open or
shorted.)
Unified meter and A/C amp.
ABS actuator and electric unit (control unit)
Wheel sensor
TCM
ECM
SEF058Y

Page 1894 of 3502

NISSAN TEANA 2003 Service Manual EC-612
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DTC P1574 ASCD VEHICLE SPEED SENSOR

5. If DTC is detected, go to EC-612, "Diagnostic Procedure" .
Diagnostic ProcedureBBS0053X
1. CHECK DTC WITH TCM
Check DTC with TCM. Refer to AT- 3 4

Page 1895 of 3502

NISSAN TEANA 2003 Service Manual DTC P1700 CVT CONTROL SYSTEM
EC-613
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DTC P1700 CVT CONTROL SYSTEMPFP:31036
DescriptionBBS005AY
This DTC is displayed with other DTC regarding TCM. Perform the trouble d

Page 1896 of 3502

NISSAN TEANA 2003 Service Manual EC-614
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DTC P1706 PNP SWITCH

DTC P1706 PNP SWITCHPFP:32006
Component DescriptionBBS0053Y
When the gear position is P or N, park/neutral position (PNP) switch is ON.
ECM detects the position beca

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