2006 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2006  Factory Service Manual EC-502Revision: November 2009
DTC P1572 ICC BRAKE SWITCH
2006 QX56
DTC P1572 ICC BRAKE SWITCHPFP:25320
Component DescriptionUBS00L1W
When the brake pedal is depressed, ICC brake switch is turned OFF
a

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INFINITI QX56 2006  Factory Service Manual DTC P1572 ICC BRAKE SWITCHEC-503
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DTC Confirmation ProcedureUBS00L1Z
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmatio

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INFINITI QX56 2006  Factory Service Manual EC-504Revision: November 2009
DTC P1572 ICC BRAKE SWITCH
2006 QX56
Wiring Diagram UBS00L20
BBWA2129E

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INFINITI QX56 2006  Factory Service Manual DTC P1572 ICC BRAKE SWITCHEC-505
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Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not

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INFINITI QX56 2006  Factory Service Manual EC-506Revision: November 2009
DTC P1572 ICC BRAKE SWITCH
2006 QX56
2. CHECK OVERALL FUNCTION-II
 With CONSULT-II
Check  “BRAKE SW2 ” indication in “DATA MONITOR ” mode. 
 Without CONSULT-II
Ch

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INFINITI QX56 2006  Factory Service Manual DTC P1572 ICC BRAKE SWITCHEC-507
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4. CHECK ICC BRAKE HOLD RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ICC brake hol

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INFINITI QX56 2006  Factory Service Manual EC-508Revision: November 2009
DTC P1572 ICC BRAKE SWITCH
2006 QX56
7. CHECK ICC BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity be

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INFINITI QX56 2006  Factory Service Manual DTC P1572 ICC BRAKE SWITCHEC-509
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11 .  DETECT MALFUNCTIONING PART
Check the following.
Harness connectors M31, E152
Fuse block (J/B) No. 1