2005 NISSAN X-TRAIL Service Repair Manual

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Page 785 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P1564 ASCD STEERING SWITCH
EC-381
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EC

RHD MODELS
TBWB0464E

Page 786 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-382
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DTC P1564 ASCD STEERING SWITCH

Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when me

Page 787 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P1564 ASCD STEERING SWITCH
EC-383
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Diagnostic ProcedureEBS01FA9
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten thr

Page 788 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-384
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DTC P1564 ASCD STEERING SWITCH

2. CHECK ASCD STEERING SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON.
2. Select “MAIN SW”, “RESUME/ACC SW”, “SET SW�

Page 789 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P1564 ASCD STEERING SWITCH
EC-385
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4. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors M202, M206
Harness connectors M61, F41
C

Page 790 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-386
[QR (WITH EURO-OBD)]
DTC P1564 ASCD STEERING SWITCH

Component InspectionEBS01FAA
ASCD STEERING SWITCH
1. Disconnect ASCD steering switch harness connector M205.
2. Check continuity between AS

Page 791 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual DTC P1572 ASCD BRAKE SWITCH
EC-387
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DTC P1572 ASCD BRAKE SWITCHPFP:25320
Component DescriptionEBS01FAB
When the brake pedal is depressed, ASCD brake swi

DTC P1572 ASCD BRAKE SWITCH
EC-387
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DTC P1572 ASCD BRAKE SWITCHPFP:25320
Component DescriptionEBS01FAB
When the brake pedal is depressed, ASCD brake switch is turned
OFF and stop lamp switch is turned ON. ECM detects the state of
the brake pedal by this input of two kinds (ON/OFF signal).
Refer to EC-529, "
AUTOMATIC SPEED CONTROL DEVICE
(ASCD)" for the ASCD function.
CONSULT-II Reference Value in Data Monitor ModeEBS01FAC
Specification data are reference values.
On Board Diagnosis LogicEBS01FAD
This self-diagnosis has the one trip detection logic.
The MI will not light up for this diagnosis.
NOTE:
If DTC P1572 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605.
Refer to EC-283, "
DTC P0605 ECM".
This self-diagnosis has the one trip detection logic. When malfunction A is detected, DTC is not
stored in ECM memory. And in that case, 1st trip DTC and 1st trip freeze frame data are displayed.
1st trip DTC is erased when ignition switch OFF. And even when malfunction A is detected in two
consecutive trips, DTC is not stored in ECM memory.
SEC009D
MONITOR ITEM CONDITION SPECIFICATION
BRAKE SW1
(ASCD brake switch)
Ignition switch: ONClutch pedal (M/T) and brake pedal:
Fully releasedON
Clutch pedal (M/T) and/or brake pedal:
Slightly depressedOFF
BRAKE SW2
(Stop lamp switch)
Ignition switch: ONBrake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
DTC No.Trouble Diagnosis
NameDTC Detecting Condition Possible Cause
P1572
1572ASCD brake switchA)When the vehicle speed is above 30km/h
(19 MPH), ON signals from the stop lamp
switch and the ASCD brake switch are sent
to ECM at the same time.
Harness or connectors
(The stop lamp switch circuit is shorted.)
Harness or connectors
(The ASCD brake switch circuit is shorted.)
Harness or connectors
(The ASCD clutch switch circuit is shorted.)
(M/T models)
Stop lamp switch
ASCD brake switch
ASCD clutch switch
(M/T models)
Incorrect stop lamp switch installation
Incorrect ASCD brake switch installation
Incorrect ASCD clutch switch installation
(M/T models)
ECM B)ASCD brake switch signal is not sent to
ECM for extremely long time while the vehi-
cle is driving

Page 792 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual EC-388
[QR (WITH EURO-OBD)]
DTC P1572 ASCD BRAKE SWITCH

DTC Confirmation ProcedureEBS01FAE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been previously con

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