2006 INFINITI M35 Factory Service Manual

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Page 2841 of 5621

INFINITI M35 2006 Factory Service Manual EC-1298
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DTC P1564 ASCD STEERING SWITCH
Revision: 2006 January2006 M35/M45
2. CHECK ASCD STEERING SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON.
2. Select “MAIN SW”, “CANCEL

Page 2842 of 5621

INFINITI M35 2006 Factory Service Manual DTC P1564 ASCD STEERING SWITCH
EC-1299
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Revision: 2006 January2006 M35/M45
4. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors M72, F102
Combination

Page 2843 of 5621

INFINITI M35 2006 Factory Service Manual EC-1300
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DTC P1564 ASCD STEERING SWITCH
Revision: 2006 January2006 M35/M45
Component InspectionNBS005MK
ASCD STEERING SWITCH
1. Disconnect combination switch (spiral cable).
2. Check continui

Page 2844 of 5621

INFINITI M35 2006 Factory Service Manual DTC P1568 ICC FUNCTION
EC-1301
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Revision: 2006 January2006 M35/M45
DTC P1568 ICC FUNCTIONPFP:18995
On Board Diagnosis LogicNBS005ML
This self-diagnosis has the one tr

DTC P1568 ICC FUNCTION
EC-1301
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DTC P1568 ICC FUNCTIONPFP:18995
On Board Diagnosis LogicNBS005ML
This self-diagnosis has the one trip detection logic.
The MIL will not light up for this diagnosis.
NOTE:
If DTC P1568 is displayed with DTC U1000 or U1001, first perform the trouble diagnosis for DTC
U1000, U1001. Refer to EC-886, "
DTC U1000, U1001 CAN COMMUNICATION LINE" .
If DTC P1568 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010.
Refer to EC-889, "
DTC U1010 CAN COMMUNICATION" .
If DTC P1568 is displayed with DTC P0605, first perform the trouble diagnosis for DTC P0605.
Refer to EC-1215, "
DTC P0605 ECM"
DTC Confirmation ProcedureNBS005MM
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 4 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. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Press MAIN switch on ICC steering switch.
4. Drive the vehicle at more than 40 km/h (25 MPH).
5. Press SET/COAST switch.
6. If DTC is detected, go to EC-1301, "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
Diagnostic ProcedureNBS005MN
1. REPLACE ICC UNIT
1. Replace ICC unit.
2. Perform ACS-10, "
ACTION TEST" .
3. Check DTC of ICC unit. Refer to ACS-39, "
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS" .
>>INSPECTION END
DTC No.Trouble Diagnosis
NameDTC Detecting Condition Possible Cause
P1568
1568ICC functionECM detects a difference between signals
from ICC unit is out of specified range.
Harness or connectors
(The CAN communication line is open or
shorted.)
ICC unit
ECM
SEF058Y

Page 2845 of 5621

INFINITI M35 2006 Factory Service Manual EC-1302
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DTC P1572 ICC BRAKE SWITCH
Revision: 2006 January2006 M35/M45
DTC P1572 ICC BRAKE SWITCHPFP:25320
Component DescriptionNBS005MO
When the brake pedal is depressed, ICC brake switch (2)

EC-1302
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DTC P1572 ICC BRAKE SWITCH
Revision: 2006 January2006 M35/M45
DTC P1572 ICC BRAKE SWITCHPFP:25320
Component DescriptionNBS005MO
When the brake pedal is depressed, ICC brake switch (2) is turned
OFF and stop lamp switch (1) is turned ON. ECM detects the state of
the brake pedal by this input of two kinds (ON/OFF signal).
Refer to ACS-6, "
DESCRIPTION" for the ICC function.
CONSULT-II Reference Value in Data Monitor ModeNBS005MP
Specification data are reference values.
On Board Diagnosis LogicNBS005MQ
This diagnosis has the one trip detection logic.
The MIL 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-1215, "
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.
PBIB2705E
MONITOR ITEM CONDITION SPECIFICATION
BRAKE SW1
(ICC brake switch)
Ignition switch: ONBrake pedal: Fully released ON
Brake pedal: Slightly depressed OFF
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
1572ICC brake switchA)
When the vehicle speed is above 30 km/h
(19MPH), ON signals from the stop lamp
switch and the ICC brake switch are sent
to ECM at the same time.Harness or connectors
(The stop lamp switch circuit is shorted.)
Harness or connectors
(The ICC brake switch circuit is shorted.)
Stop lamp switch
ICC brake switch
ICC brake hold relay
Incorrect stop lamp switch installation
Incorrect ICC brake switch installation
ECM B)
ICC brake switch signal is not sent to ECM
for extremely long time while the vehicle is
driving

Page 2846 of 5621

INFINITI M35 2006 Factory Service Manual DTC P1572 ICC BRAKE SWITCH
EC-1303
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Revision: 2006 January2006 M35/M45
DTC Confirmation ProcedureNBS005MR
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC

Page 2847 of 5621

INFINITI M35 2006 Factory Service Manual EC-1304
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DTC P1572 ICC BRAKE SWITCH
Revision: 2006 January2006 M35/M45
Wiring Diagram NBS005MS
TBWT1051E

Page 2848 of 5621

INFINITI M35 2006 Factory Service Manual DTC P1572 ICC BRAKE SWITCH
EC-1305
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Revision: 2006 January2006 M35/M45
Specification data are reference values and are measured between each terminal and ground.
CAUT

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