2006 INFINITI QX56 Factory Service Manual

Page 233 of 3383

INFINITI QX56 2006  Factory Service Manual AT-158
DTC P1774 LOW COAST BRAKE SOLENOID VALVE FUNCTION
Revision: November 20092006 QX56
Diagnostic ProcedureECS00CJ4
1. CHECK INPUT SIGNALS
  With CONSULT-II
1. Start the engine.
2. Select  “SELEC

Page 234 of 3383

INFINITI QX56 2006  Factory Service Manual DTC P1841 ATF PRESSURE SWITCH 1AT-159
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M A
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Revision: November 2009 2006 QX56
DTC P1841 ATF PRESSURE SWITCH 1PFP:25240
DescriptionECS00CJ5
Fail-safe function to detect front brake

Page 235 of 3383

INFINITI QX56 2006  Factory Service Manual AT-160
DTC P1841 ATF PRESSURE SWITCH 1
Revision: November 20092006 QX56
Diagnostic ProcedureECS00CJA
1. CHECK INPUT SIGNAL 
  With CONSULT-II
1. Start engine.
2. Select  “ECU INPUT SIGNALS ” or

Page 236 of 3383

INFINITI QX56 2006  Factory Service Manual DTC P1843 ATF PRESSURE SWITCH 3AT-161
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AT
Revision: November 2009 2006 QX56
DTC P1843 ATF PRESSURE SWITCH 3PFP:25240
DescriptionECS00CJB
Fail-safe function to detect input clutch

Page 237 of 3383

INFINITI QX56 2006  Factory Service Manual AT-162
DTC P1843 ATF PRESSURE SWITCH 3
Revision: November 20092006 QX56
Diagnostic ProcedureECS00CJG
1. CHECK INPUT SIGNAL 
  With CONSULT-II
1. Start engine.
2. Select  “ECU INPUT SIGNALS ” or

Page 238 of 3383

INFINITI QX56 2006  Factory Service Manual DTC P1845 ATF PRESSURE SWITCH 5AT-163
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Revision: November 2009 2006 QX56
DTC P1845 ATF PRESSURE SWITCH 5PFP:25240
DescriptionECS00CJH
Fail-safe function to detect direct clutc

Page 239 of 3383

INFINITI QX56 2006  Factory Service Manual AT-164
DTC P1845 ATF PRESSURE SWITCH 5
Revision: November 20092006 QX56
Diagnostic ProcedureECS00CJM
1. CHECK INPUT SIGNAL
  With CONSULT-II
1. Start engine.
2. Select  “ECU INPUT SIGNALS ” or “

Page 240 of 3383

INFINITI QX56 2006  Factory Service Manual DTC P1846 ATF PRESSURE SWITCH 6AT-165
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G H
I
J
K L
M A
B
AT
Revision: November 2009 2006 QX56
DTC P1846 ATF PRESSURE SWITCH 6PFP:25240
DescriptionECS00CJN
Fail-safe function to detect high and low