2008 INFINITI FX35 Service Manual

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Page 2297 of 3924

INFINITI FX35 2008 Service Manual
DTC P1564 ASCD STEERING SWITCHEC-1057
< SERVICE INFORMATION > [VK45DE]
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Without CONSULT-III
1. Turn ignition switch ON.
2. Check voltage between ECM terminal 99 and gr

Page 2298 of 3924

INFINITI FX35 2008 Service Manual
EC-1058
< SERVICE INFORMATION >[VK45DE]
DTC P1564 ASCD STEERING SWITCH
>> Repair open circuit or short to ground or short to power in harness or connectors.
7.CHECK ASCD STEERING SWITCH
Refer to EC-

Page 2299 of 3924

INFINITI FX35 2008 Service Manual
DTC P1568 ICC FUNCTIONEC-1059
< SERVICE INFORMATION > [VK45DE]
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DTC P1568 ICC FUNCTION
On Board Diagnosis LogicINFOID:0000000001326932
This self-diagnosis has the on
e

Page 2300 of 3924

INFINITI FX35 2008 Service Manual
EC-1060
< SERVICE INFORMATION >[VK45DE]
DTC P1572 ICC BRAKE SWITCH
DTC P1572 ICC BRAKE SWITCH
Component DescriptionINFOID:0000000001326935
When the brake pedal is depressed,
ICC brake switch is turn

EC-1060
< SERVICE INFORMATION >[VK45DE]
DTC P1572 ICC BRAKE SWITCH
DTC P1572 ICC BRAKE SWITCH
Component DescriptionINFOID:0000000001326935
When the brake pedal is depressed,
ICC 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 ACS-7
for the ICC function.
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000001326936
Specification data are reference values.
On Board Diagn osis LogicINFOID:0000000001326937
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 pe rform the trouble diagnosis for DTC P0605. Refer
to EC-1007
.
This self-diagnosis has the one tr ip 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 igniti on switch OFF. And even when ma lfunction A is detected in two
consecutive trips, DTC is not stored in ECM memory.
DTC Confirmation ProcedureINFOID:0000000001326938
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been previously conduc ted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
PBIB2558E
MONITOR ITEM CONDITION SPECIFICATION
BRAKE SW1
(ICC brake switch) Ignition switch: ON Brake pedal: Fully released ON
Brake pedal: Slightly depressed OFF
BRAKE SW2
(Stop lamp switch) Ignition switch: ON Brake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
DTC No.
Trouble diagnosis
name DTC detecting condition Possible cause
P1572
1572 ICC brake switch A)
When the vehicle speed is above 30 km/h
(19 MPH), 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
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 2301 of 3924

INFINITI FX35 2008 Service Manual
DTC P1572 ICC BRAKE SWITCHEC-1061
< SERVICE INFORMATION > [VK45DE]
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Procedure for malfunction B is not described here. It takes extremely long time to complete proced

Page 2302 of 3924

INFINITI FX35 2008 Service Manual
EC-1062
< SERVICE INFORMATION >[VK45DE]
DTC P1572 ICC BRAKE SWITCH
Wiring Diagram
INFOID:0000000001326939
Specification data are reference values and are measured between each terminal and ground.
CA

Page 2303 of 3924

INFINITI FX35 2008 Service Manual
DTC P1572 ICC BRAKE SWITCHEC-1063
< SERVICE INFORMATION > [VK45DE]
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Diagnosis ProcedureINFOID:0000000001326940
1.CHECK OVERALL FUNCTION-I
With CONSULT-III
1. Turn igni

Page 2304 of 3924

INFINITI FX35 2008 Service Manual
EC-1064
< SERVICE INFORMATION >[VK45DE]
DTC P1572 ICC BRAKE SWITCH
Check voltage between ECM terminal 101 and ground under the fol-
lowing conditions.
OK or NG
OK >> GO TO 17.
NG >> GO TO 12.
3.CHECK

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