Infiniti M35/M45 Y50. Manual — part 706
![](/vehicles/zatt/cen/houeebante/glousheay.png)
DTC P1574 ICC VEHICLE SPEED SENSOR
EC-1297
[VK45DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
DTC P1574 ICC VEHICLE SPEED SENSOR
PFP:31036
Component Description
NBS005N2
The ECM receives two vehicle speed 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 ICC
control. Refer to
for ICC functions.
On Board Diagnosis Logic
NBS005N3
This self-diagnosis has the one trip detection logic.
The MIL 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-865, "DTC U1000, U1001 CAN COMMUNICATION LINE"
.
●
If DTC P1574 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010.
Refer to
EC-868, "DTC U1010 CAN COMMUNICATION"
●
If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500.
Refer to
.
●
If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605.
Refer to
DTC Confirmation Procedure
NBS005N4
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 (VDC switch OFF).
2.
Select “DATA MONITOR” mode with CONSULT-II.
3.
Drive the vehicle at more than 40 km/h (25MPH).
4.
EC-1298, "Diagnostic Procedure"
WITH GST
Follow the procedure “WITH CONSULT-II” above.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1574
1574
ICC vehicle speed sensor
ECM 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
EC-1298
[VK45DE]
DTC P1574 ICC VEHICLE SPEED SENSOR
Diagnostic Procedure
NBS005N5
1.
CHECK DTC WITH TCM
Check DTC with TCM. Refer to
AT-40, "OBD-II Diagnostic Trouble Code (DTC)"
.
OK or NG
OK
>> GO TO 2.
NG
>> Perform trouble shooting relevant to DTC indicated.
2.
CHECK DTC WITH “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)”
Refer to
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace.
3.
CHECK DTC WITH “UNIFIED METER AND A/C AMP.”
Check combination meter function.
Refer to
DI-28, "UNIFIED METER AND A/C AMP"
>> INSPECTION END
![](/vehicles/zatt/cen/houeebante/tintea.png)
DTC P1574 ASCD VEHICLE SPEED SENSOR
EC-1299
[VK45DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
DTC P1574 ASCD VEHICLE SPEED SENSOR
PFP:31036
Component Description
NBS005N6
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-738, "AUTOMATIC SPEED CONTROL DEVICE (ASCD)"
for ASCD functions.
On Board Diagnosis Logic
NBS005N7
This self-diagnosis has the one trip detection logic.
The MIL 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-865, "DTC U1000, U1001 CAN COMMUNICATION LINE"
.
●
If DTC P1574 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010.
Refer to
EC-868, "DTC U1010 CAN COMMUNICATION"
●
If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500.
Refer to
●
If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605.
Refer to
DTC Confirmation Procedure
NBS005N8
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 (VDC switch OFF).
2.
Select “DATA MONITOR” mode with CONSULT-II.
3.
Drive the vehicle at more than 40 km/h (25 MPH).
4.
EC-1300, "Diagnostic Procedure"
WITH GST
Follow the procedure “WITH CONSULT-II” above.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1574
1574
ASCD vehicle speed
sensor
ECM 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
EC-1300
[VK45DE]
DTC P1574 ASCD VEHICLE SPEED SENSOR
Diagnostic Procedure
NBS005N9
1.
CHECK DTC WITH TCM
Check DTC with TCM. Refer to
AT-40, "OBD-II Diagnostic Trouble Code (DTC)"
.
OK or NG
OK
>> GO TO 2.
NG
>> Perform trouble shooting relevant to DTC indicated.
2.
CHECK DTC WITH “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)”
Refer to
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace.
3.
CHECK DTC WITH “UNIFIED METER AND A/C AMP.”
Refer to
DI-28, "UNIFIED METER AND A/C AMP"
>> INSPECTION END
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст