2007 NISSAN TIIDA Service Repair Manual

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Page 2289 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-940
< COMPONENT DIAGNOSIS >[MR18DE]
P1574 ASCD VEHICLE SPEED SENSOR
P1574 ASCD VEHICLE SPEED SENSOR
DescriptionINFOID:0000000001161919
The ECM receives two vehicle speed sensor signals via CAN comm

EC-940
< COMPONENT DIAGNOSIS >[MR18DE]
P1574 ASCD VEHICLE SPEED SENSOR
P1574 ASCD VEHICLE SPEED SENSOR
DescriptionINFOID:0000000001161919
The ECM receives two vehicle speed sensor signals via CAN communication line. One is sent from combina-
tion meter, and the other is from TCM (Transmission control module). The ECM uses these signals for ASCD
control. Refer to EC-728, "
System Description" for ASCD functions.
DTC LogicINFOID:0000000001161920
DTC DETECTION LOGIC
NOTE:
If DTC P1574 is displayed with DTC U1000, U1001, first perform the trouble diagnosis for DTC U1000,
U1001. Refer to EC-793, "
DTC Logic".
If DTC P1574 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer
to EC-794, "
DTC Logic".
If DTC P1574 is displayed with DTC P0500, first perform the trouble diagnosis for DTC P0500. Refer
to EC-878, "
DTC Logic"
If DTC P1574 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605. Refer
to EC-880, "
DTC Logic"
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine.
2. Drive the vehicle at more than 40 km/h (25 MPH).
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
This procedure 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.
3. Check DTC.
Is DTC detected?
YES >> Go to EC-940, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000001161921
1.CHECK DTC WITH “ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)”
Refer to BRC-105, "
CONSULT-III Function (ABS)".
Is the inspection result normal?
YES >> GO TO 2.
DTC No.Trouble diagnosis
nameDTC detecting condition Possible cause
P1574ASCD 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.)
(Combination meter circuit is open or shorted.)
Combination meter
ABS actuator and electric unit (control unit)
Wheel sensor
ECM

Page 2290 of 5883

NISSAN TIIDA 2007 Service Repair Manual P1574 ASCD VEHICLE SPEED SENSOR
EC-941
< COMPONENT DIAGNOSIS >[MR18DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
NO >> Repair or replace.
2.CHECK COMBINATION METER
Check combination meter function.
Refer to MWI

Page 2291 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-942
< COMPONENT DIAGNOSIS >[MR18DE]
P1706 PNP SWITCH
P1706 PNP SWITCH
DescriptionINFOID:0000000001161922
When the shift lever position is Neutral position, park/neutral position (PNP) switch is ON.

Page 2292 of 5883

NISSAN TIIDA 2007 Service Repair Manual P1706 PNP SWITCH
EC-943
< COMPONENT DIAGNOSIS >[MR18DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
4. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Go to EC-943, "Diagnosis Procedure".
NO >> INSPECTION EN

Page 2293 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-944
< COMPONENT DIAGNOSIS >[MR18DE]
P1706 PNP SWITCH
2. Disconnect ECM harness connector.
3. Check the continuity between PNP switch harness connector and ECM harness connector.
4. Also check harne

Page 2294 of 5883

NISSAN TIIDA 2007 Service Repair Manual P1805 BRAKE SWITCH
EC-945
< COMPONENT DIAGNOSIS >[MR18DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
P1805 BRAKE SWITCH
DescriptionINFOID:0000000001161929
Brake switch signal is applied to the ECM through the st

Page 2295 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-946
< COMPONENT DIAGNOSIS >[MR18DE]
P1805 BRAKE SWITCH
Check the following.
Harness connectors M69, E7 (LHD models)
Harness connectors M201, M25 (RHD models)
Harness for open or short between

Page 2296 of 5883

NISSAN TIIDA 2007 Service Repair Manual P1805 BRAKE SWITCH
EC-947
< COMPONENT DIAGNOSIS >[MR18DE]
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
2. Check the continuity between stop lamp switch terminals under the following conditions.
Is the inspection r

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