2006 INFINITI FX35 Service Manual

engine coolant check engine fuel tank capacity AUX air filter oil reset

Page 233 of 4462

INFINITI FX35 2006 Service Manual DTC P1754 INPUT CLUTCH SOLENOID VALVE FUNCTION AT-149
D E
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AT
Revision: 2006 December 2006 FX35/FX45
WITH GST
Follow the procedure “WITH CONSULT-II”.
Diagnostic Proc

Page 234 of 4462

INFINITI FX35 2006 Service Manual AT-150
DTC P1757 FRONT BRAKE SOLENOID VALVE
Revision: 2006 December 2006 FX35/FX45
DTC P1757 FRONT BRAKE SOLENOID VALVEPFP:31940
DescriptionNCS001F1
Front brake solenoid valve is controlled by the TCM

AT-150
DTC P1757 FRONT BRAKE SOLENOID VALVE
Revision: 2006 December 2006 FX35/FX45
DTC P1757 FRONT BRAKE SOLENOID VALVEPFP:31940
DescriptionNCS001F1
Front brake solenoid valve is controlled by the TCM in response to signals sent from the PNP switch, vehicle
speed sensor and accelerator pedal position sensor (throttle position sensor). Gears will then be shifted to the
optimum position.
CONSULT-II Reference ValueNCS001F2
On Board Diagnosis LogicNCS001F3
This is an OBD-II self-diagnostic item.
Diagnostic trouble code “P1757 FR/B SOLENOID/CIRC” with CONSULT-II or 6th judgement flicker with-
out CONSULT-II is detected under the following conditions.
–When TCM detects an improper voltage drop when it tries to operate the solenoid valve.
–When TCM detects as irregular by comparing target value with monitor value.
Possible CauseNCS001F4
Harness or connectors
(Solenoid circuit is open or shorted.)
Front brake solenoid valve
DTC Confirmation ProcedureNCS001F5
CAUTION:
Always drive vehicle at a safe speed.
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. (Do not start engine.)
2. Select “SELECTION FROM MENU” in “DATA MONITOR” mode for “A/T” with CONSULT-II and check monitor “ACCELE POSI”,
“SLCT LVR POSI” and “GEAR”.
3. Touch “START”.
4. Start engine.
5. Drive vehicle and maintain the following conditions for at least 5 consecutive seconds.
ACCELE POSI: 1.5/8 - 2.0/8
SLCT LVR POSI: “D” position
GEAR: “3” “4” (FR/B ON/OFF)
Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving
conditions required for this test.
6. If DTC is detected go to AT- 1 5 1 , "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II”.
Item name Condition Display value (Approx.)
FR/B SOLENOID Front brake engaged. Refer to
AT- 2 2
. 0.6 - 0.8 A
Front brake disengaged. Refer to AT- 2 2
. 0 - 0.05 A
BCIA0031E

Page 235 of 4462

INFINITI FX35 2006 Service Manual DTC P1757 FRONT BRAKE SOLENOID VALVE AT-151
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AT
Revision: 2006 December 2006 FX35/FX45
Diagnostic ProcedureNCS001F6
1. CHECK INPUT SIGNAL
With CONSULT-II
1. Turn

Page 236 of 4462

INFINITI FX35 2006 Service Manual AT-152
DTC P1759 FRONT BRAKE SOLENOID VALVE FUNCTION
Revision: 2006 December 2006 FX35/FX45
DTC P1759 FRONT BRAKE SOLENOID VALVE FUNCTIONPFP:31940
DescriptionNCS001F7
Front brake solenoid valve is co

AT-152
DTC P1759 FRONT BRAKE SOLENOID VALVE FUNCTION
Revision: 2006 December 2006 FX35/FX45
DTC P1759 FRONT BRAKE SOLENOID VALVE FUNCTIONPFP:31940
DescriptionNCS001F7
Front brake solenoid valve is controlled by the TCM in response to signals sent from the PNP switch, vehi-
cle speed sensor and accelerator pedal position sensor (throttle position sensor). Gears will then be
shifted to the optimum position.
This is not only caused by electrical malfunction (circuits open or shorted) but also by mechanical mal-
function such as control valve sticking, improper solenoid valve operation.
CONSULT-II Reference ValueNCS001F8
On Board Diagnosis LogicNCS001F9
This is an OBD-II self-diagnostic item.
Diagnostic trouble code “P1759 FR/B SOLENOID FNCT” with CONSULT-II or 6th judgement flicker with-
out CONSULT-II is detected under the following conditions.
–When TCM detects that actual gear ratio is irregular, and relation between gear position and condition of
ATF pressure switch 1 is irregular during depressing accelerator pedal. (Other than during shift change)
–When TCM detects that relation between gear position and condition of ATF pressure switch 1 is irregular
during releasing accelerator pedal. (Other than during shift change)
Possible CauseNCS001FA
Harness or connectors
(Solenoid and switch circuits are open or shorted.)
Front brake solenoid valve
ATF pressure switch 1
DTC Confirmation ProcedureNCS001FB
CAUTION:
Always drive vehicle at a safe speed.
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. Start engine.
2. Accelerate vehicle to maintain the following conditions. ACCELE POSI: 1.5/8 - 2.0/8
SLCT LVR POSI: “D” position
GEAR: “3” “4” (FR/B ON/OFF)
Driving location: Driving the vehicle uphill (increased
engine load) will help maintain the driving conditions
required for this test.
3. Perform step “2” again.
4. Turn ignition switch OFF, then perform step “1” to “3” again.
5. Check “SELF-DIAG RESULTS” mode for “A/T” with CONSULT- II. If DTC (P1759) is detected, go to AT- 1 5 3 , "
Diagnostic Procedure" .
If DTC (P1757) is detected, go to AT- 1 5 1 , "
Diagnostic Procedure" .
If DTC (P1841) is detected, go to AT- 1 7 2 , "
Diagnostic Procedure" .
Item name Condition Display value (Approx.)
FR/B SOLENOID Front brake engaged. Refer to
AT- 2 2
. 0.6 - 0.8 A
Front brake disengaged. Refer to AT- 2 2
. 0 - 0.05 A
ATF PRES SW 1 Front brake engaged. Refer to
AT- 2 2
.ON
Front brake disengaged. Refer to AT- 2 2
.OFF
BCIA0031E

Page 237 of 4462

INFINITI FX35 2006 Service Manual DTC P1759 FRONT BRAKE SOLENOID VALVE FUNCTION AT-153
D E
F
G H
I
J
K L
M A
B
AT
Revision: 2006 December 2006 FX35/FX45
WITH GST
Follow the procedure “WITH CONSULT-II”.
Diagnostic Proce

Page 238 of 4462

INFINITI FX35 2006 Service Manual AT-154
DTC P1762 DIRECT CLUTCH SOLENOID VALVE
Revision: 2006 December 2006 FX35/FX45
DTC P1762 DIRECT CLUTCH SOLENOID VALVEPFP:31940
DescriptionNCS001FD
Direct clutch solenoid valve is controlled by t

AT-154
DTC P1762 DIRECT CLUTCH SOLENOID VALVE
Revision: 2006 December 2006 FX35/FX45
DTC P1762 DIRECT CLUTCH SOLENOID VALVEPFP:31940
DescriptionNCS001FD
Direct clutch solenoid valve is controlled by the TCM in response to signals sent from the PNP switch, vehicle
speed sensor and accelerator pedal position sensor (throttle position sensor). Gears will then be shifted to the
optimum position.
CONSULT-II Reference ValueNCS001FE
On Board Diagnosis LogicNCS001FF
This is an OBD-II self-diagnostic item.
Diagnostic trouble code “P1762 D/C SOLENOID/CIRC” with CONSULT-II or 2nd judgement flicker without
CONSULT-II is detected under the following conditions.
–When TCM detects an improper voltage drop when it tries to operate the solenoid valve.
–When TCM detects as irregular by comparing target value with monitor value.
Possible CauseNCS001FG
Harness or connectors
(Solenoid circuit is open or shorted.)
Direct clutch solenoid valve
DTC Confirmation ProcedureNCS001FH
CAUTION:
Always drive vehicle at a safe speed.
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. (Do not start engine.)
2. Select “SELECTION FROM MENU” in “DATA MONITOR” mode for “A/T” with CONSULT-II and check monitor “ACCELE POSI”,
“SLCT LVR POSI” and “GEAR”.
3. Touch “START”.
4. Start engine.
5. Drive vehicle and maintain the following conditions for at least 5 consecutive seconds.
ACCELE POSI: 1.5/8 - 2.0/8
SLCT LVR POSI: “D” position
GEAR: “1” “2” (D/C ON/OFF)
Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving
conditions required for this test.
6. If DTC is detected, go to AT- 1 5 5 , "
Diagnostic Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-II”.
Item name Condition Display value (Approx.)
D/C SOLENOID Direct clutch disengaged. Refer to
AT- 2 2
. 0.6 - 0.8 A
Direct clutch engaged. Refer to AT- 2 2
. 0 - 0.05 A
BCIA0031E

Page 239 of 4462

INFINITI FX35 2006 Service Manual DTC P1762 DIRECT CLUTCH SOLENOID VALVE AT-155
D E
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G H
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AT
Revision: 2006 December 2006 FX35/FX45
Diagnostic ProcedureNCS001FI
1. CHECK INPUT SIGNAL
With CONSULT-II
1. Tu

Page 240 of 4462

INFINITI FX35 2006 Service Manual AT-156
DTC P1764 DIRECT CLUTCH SOLENOID VALVE FUNCTION
Revision: 2006 December 2006 FX35/FX45
DTC P1764 DIRECT CLUTCH SOLENOID VALVE FUNCTIONPFP:31940
DescriptionNCS001FJ
Direct clutch solenoid valve

AT-156
DTC P1764 DIRECT CLUTCH SOLENOID VALVE FUNCTION
Revision: 2006 December 2006 FX35/FX45
DTC P1764 DIRECT CLUTCH SOLENOID VALVE FUNCTIONPFP:31940
DescriptionNCS001FJ
Direct clutch solenoid valve is controlled by the TCM in response to signals sent from the PNP switch,
vehicle speed sensor and accelerator pedal position sensor (throttle position sensor). Gears will then be
shifted to the optimum position.
This is not only caused by electrical malfunction (circuits open or shorted) but also by mechanical mal-
function such as control valve sticking, improper solenoid valve operation.
CONSULT-II Reference ValueNCS001FK
On Board Diagnosis LogicNCS001FL
This is an OBD-II self-diagnostic item.
Diagnostic trouble code “P1764 D/C SOLENOID FNCTN” with CONSULT-II or 2nd judgement flicker with-
out CONSULT-II is detected under the following conditions.
–When TCM detects that actual gear ratio is irregular, and relation between gear position and condition of
ATF pressure switch 5 is irregular during depressing accelerator pedal. (Other than during shift change)
–When TCM detects that relation between gear position and condition of ATF pressure switch 5 is irregular
during releasing accelerator pedal. (Other than during shift change)
Possible CauseNCS001FM
Harness or connectors
(Solenoid and switch circuits are open or shorted.)
Direct clutch solenoid valve
ATF pressure switch 5
DTC Confirmation ProcedureNCS001FN
CAUTION:
Always drive vehicle at a safe speed.
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. Start engine.
2. Accelerate vehicle to maintain the following conditions. ACCELE POSI: 1.5/8 - 2.0/8
SLCT LVR POSI: “D” position
GEAR: “1” “2” (D/C ON/OFF)
Driving location: Driving the vehicle uphill (increased
engine load) will help maintain the driving conditions
required for this test.
3. Perform step “2” again.
4. Turn ignition switch OFF, then perform step “1” to “3” again.
5. Check “SELF-DIAG RESULTS” mode for “A/T” with CONSULT- II. If DTC (P1764) is detected, go to AT- 1 5 7 , "
Diagnostic Procedure" .
If DTC (P1762) is detected, go to AT- 1 5 5 , "
Diagnostic Procedure" .
If DTC (P1845) is detected, go to AT- 1 7 6 , "
Diagnostic Procedure" .
Item name Condition Display value (Approx.)
D/C SOLENOID Direct clutch disengaged. Refer to
AT- 2 2
. 0.6 - 0.8 A
Direct clutch engaged. Refer to AT- 2 2
. 0 - 0.05 A
ATF PRES SW 5 Direct clutch engaged. Refer to
AT- 2 2
.ON
Direct clutch disengaged. Refer to AT- 2 2
.OFF
BCIA0031E

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