2005 INFINITI QX4 Factory Service Manual

Page 1841 of 3419

INFINITI QX4 2005  Factory Service Manual EC-650Revision: October 2005
ICC BRAKE SWITCH
2005 QX56
Wiring DiagramUBS00L25
BBWA1786E

Page 1842 of 3419

INFINITI QX4 2005  Factory Service Manual ICC BRAKE SWITCH
EC-651
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Revision: October 20052005 QX56
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM gro

Page 1843 of 3419

INFINITI QX4 2005  Factory Service Manual EC-652Revision: October 2005
ICC BRAKE SWITCH
2005 QX56
2. CHECK OVERALL FUNCTION-II
 With CONSULT-II
Check “BRAKE SW2” indication in “DATA MONITOR” mode. 
 Without CONSULT-II
Check voltage be

Page 1844 of 3419

INFINITI QX4 2005  Factory Service Manual ICC BRAKE SWITCH
EC-653
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Revision: October 20052005 QX56
4. CHECK ICC BRAKE HOLD RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ICC brake hold relay.
3.

Page 1845 of 3419

INFINITI QX4 2005  Factory Service Manual EC-654Revision: October 2005
ICC BRAKE SWITCH
2005 QX56
7. CHECK ICC BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between ICC b

Page 1846 of 3419

INFINITI QX4 2005  Factory Service Manual ICC BRAKE SWITCH
EC-655
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Revision: October 20052005 QX56
11 .  DETECT MALFUNCTIONING PART
Check the following.
Harness connectors M31, E152
Fuse block (J/B) No. 1 connector

Page 1847 of 3419

INFINITI QX4 2005  Factory Service Manual EC-656Revision: October 2005
ICC BRAKE SWITCH
2005 QX56
Component InspectionUBS00L27
ICC BRAKE SWITCH
1. Turn ignition switch OFF.
2. Disconnect ICC brake switch harness connector.
3. Check continuity

Page 1848 of 3419

INFINITI QX4 2005  Factory Service Manual ASCD BRAKE SWITCH
EC-657
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Revision: October 20052005 QX56
ASCD BRAKE SWITCHPFP:25320
Component DescriptionUBS00HDO
When the brake pedal is depressed, ASCD brake switch is turn