2006 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2006  Factory Service Manual AT-166
DTC P1846 ATF PRESSURE SWITCH 6
Revision: November 20092006 QX56
Diagnostic ProcedureECS00CJS
1. CHECK INPUT SIGNAL 
  With CONSULT-II
1. Start the engine.
2. Select  “ECU INPUT SIGNALS ” o

Page 242 of 3383

INFINITI QX56 2006  Factory Service Manual MAIN POWER SUPPLY AND GROUND CIRCUITAT-167
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Revision: November 2009 2006 QX56
MAIN POWER SUPPLY AND GROUND CIRCUITPFP:00100
Wiring Diagram — AT — MAINECS00CJT
BCWA0324E

Page 243 of 3383

INFINITI QX56 2006  Factory Service Manual AT-168
MAIN POWER SUPPLY AND GROUND CIRCUIT
Revision: November 20092006 QX56
TCM terminals and data are reference value. Measured between each terminal and ground.
Diagnostic ProcedureECS00CJU
1. CHEC

Page 244 of 3383

INFINITI QX56 2006  Factory Service Manual MAIN POWER SUPPLY AND GROUND CIRCUITAT-169
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Revision: November 2009 2006 QX56
3. DETECT MALFUNCTIONING ITEM
Check the following items:
Harness for short or open between batte

Page 245 of 3383

INFINITI QX56 2006  Factory Service Manual AT-170
MAIN POWER SUPPLY AND GROUND CIRCUIT
Revision: November 20092006 QX56
7. CHECK TERMINAL CORD ASSEMBLY
1. Remove control valve with TCM. Refer to  AT- 2 3 0 ,  "
Control Valve With TCM and A/T F

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INFINITI QX56 2006  Factory Service Manual CLOSED THROTTLE POSITION AND WIDE OPEN THROTTLE POSITION CIR-CUIT
AT-171
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Revision: November 2009 2006 QX56
CLOSED THROTTLE POSITION AND WIDE OPEN THROTTLE POSITION CIR-
CUIT

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INFINITI QX56 2006  Factory Service Manual AT-172
BRAKE SIGNAL CIRCUIT
Revision: November 20092006 QX56
BRAKE SIGNAL CIRCUITPFP:25320
CONSULT-II Reference ValueECS00CJX
Diagnostic ProcedureECS00CJY
1. CHECK CAN COMMUNICATION LINE
Perform the s

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INFINITI QX56 2006  Factory Service Manual TOW MODE SWITCHAT-173
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Revision: November 2009 2006 QX56
TOW MODE SWITCHPFP:25129
DescriptionECS00CJZ
When tow mode switch is “ON”, tow mode switch signals are sent to TCM