2007 INFINITI FX35 Service Manual

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INFINITI FX35 2007 Service Manual DTC P1774 LOW COAST BRAKE SOLENOID VALVE FUNCTION AT-165
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Revision: 2006 July 2007 FX35/FX45
Diagnostic ProcedureNCS001GC
1. CHECK INPUT SIGNALS
With CONSULT-

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INFINITI FX35 2007 Service Manual AT-166
DTC P1815 MANUAL MODE SWITCH
Revision: 2006 July 2007 FX35/FX45
DTC P1815 MANUAL MODE SWITCHPFP:34901
DescriptionNCS001GD
Manual mode switch is installed in A/T device. It sends manual mode swi

AT-166
DTC P1815 MANUAL MODE SWITCH
Revision: 2006 July 2007 FX35/FX45
DTC P1815 MANUAL MODE SWITCHPFP:34901
DescriptionNCS001GD
Manual mode switch is installed in A/T device. It sends manual mode switch, shift up and shift down switch
signals to TCM.
TCM sends the switch signals to unified meter and A/C amp. By CAN communication line. Then manual mode
switch position is indicated on the A/T indicator. For inspection, refer to AT- 1 8 5 , "
A/T INDICATOR CIRCUIT" .
CONSULT-II Reference Value in Data Monitor ModeNCS001GE
On Board Diagnosis LogicNCS001GF
This is not an OBD-II self-diagnostic item.
Diagnostic trouble code “P1815 MANU MODE SW/CIR” with CONSULT-II is detected when TCM moni-
tors Manual mode, Non manual mode, Up or Down switch signal, and detects as irregular when impossi-
ble input pattern occurs 1 second or more.
Possible CauseNCS001GG
Harness or connectors
(These switches circuit is open or shorted.)
Manual mode select switch (Into control device)
Manual mode position select switch (Into control device)
DTC Confirmation ProcedureNCS001GH
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-II
1. Turn ignition switch ON.
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for “A/T” with CONSULT-II.
3. Start engine.
4. Drive vehicle and maintain the following conditions for at least 2 consecutive seconds.
MANU MODE SW: ON
5. If DTC is detected, go to AT- 1 6 9 , "
Diagnostic Procedure" .
Item name Condition Display Value
MANU MODE SW Manual shift gate position (neutral) ON
Other than the above OFF
NON M-MODE SW Manual shift gate position OFF
Other than the above ON
UP SW LEVER selector lever: + side ON
Other than the above OFF
DOWN SW LEVER selector lever: - side ON
Other than the above OFF
BCIA0031E

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INFINITI FX35 2007 Service Manual DTC P1815 MANUAL MODE SWITCH AT-167
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Revision: 2006 July 2007 FX35/FX45
Wiring Diagram — AT — MMSWNCS001GI
TCWM0498E

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INFINITI FX35 2007 Service Manual AT-168
DTC P1815 MANUAL MODE SWITCH
Revision: 2006 July 2007 FX35/FX45
TCWM0499E

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INFINITI FX35 2007 Service Manual DTC P1815 MANUAL MODE SWITCH AT-169
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Revision: 2006 July 2007 FX35/FX45
TCM terminals and data are reference value. Measured between each terminal and ground.
Dia

DTC P1815 MANUAL MODE SWITCH AT-169
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Revision: 2006 July 2007 FX35/FX45
TCM terminals and data are reference value. Measured between each terminal and ground.
Diagnostic ProcedureNCS001GJ
1. CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis. Refer to AT- 9 2 , "
SELF-DIAGNOSTIC RESULT MODE" .
Is a malfunction in the CAN communication indicated in the results?
YES >> Check CAN communication line. Refer to AT- 1 0 4 , "DTC U1000 CAN COMMUNICATION LINE" .
NO >> GO TO 2.
2. CHECK MANUAL MODE SWITCH CIRCUIT
With CONSULT-II
1. Turn ignition switch ON.
2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for “A/T” with CONSULT-II.
3. Read out ON/OFF switching action of “MANU MODE SW”, “NON M-MODE SW”, “UP SW LEVER”, “DOWN SW LEVER”.
Without CONSULT-II
Drive vehicle in the manual mode, and confirm that the actual gear position and the meter's indication of the
position mutually coincide when the selector lever is shifted to the “+ (up)” or “- (down)” side (1st ⇔ 5th gear).
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. DETECT MALFUNCTIONING ITEM
Check the following.
Manual mode switch. Refer to AT- 1 7 0 , "Component Inspection" .
Pin terminals for damage or loose connection with harness connector.
Open circuit or short to ground or short to power in harness or connector for A/T device (manual mode
switch).
Unified meter and A/C amp. Refer to DI-5, "COMBINATION METERS" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
Terminal Wire
color Item Condition Data (Approx.)
3 L CAN-H – –
8 P CAN-L – –
9GYStarter relay Selector lever in “N” and “P” positions. Battery voltage
Selector lever in other positions. 0 V
Item name Condition Display Value
MANU MODE SW Manual shift gate position (neutral) ON
Other than the above OFF
NON M-MODE SW Manual shift gate position OFF
Other than the above ON
UP SW LEVER selector lever: +side ON
Other than the above OFF
DOWN SW LEVER selector lever: -side ON
Other than the above OFF
SCIA4988E

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INFINITI FX35 2007 Service Manual AT-170
DTC P1815 MANUAL MODE SWITCH
Revision: 2006 July 2007 FX35/FX45
4. CHECK DTC
Perform AT- 1 6 6 , "
DTC Confirmation Procedure" .
OK or NG
OK >> INSPECTION END
NG >> GO TO 5.
5. CHECK TCM

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INFINITI FX35 2007 Service Manual DTC P1841 ATF PRESSURE SWITCH 1 AT-171
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Revision: 2006 July 2007 FX35/FX45
DTC P1841 ATF PRESSURE SWITCH 1PFP:25240
DescriptionNCS001GL
Fail-safe function to dete

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INFINITI FX35 2007 Service Manual AT-172
DTC P1841 ATF PRESSURE SWITCH 1
Revision: 2006 July 2007 FX35/FX45
Diagnostic ProcedureNCS001GQ
1. CHECK INPUT SIGNAL
With CONSULT-II
1. Start engine.
2. Select “ECU INPUT SIGNALS” or

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