Infiniti EX35. Manual — part 1422
TM-76
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
P1730 A/T INTERLOCK
P1730 A/T INTERLOCK
Description
INFOID:0000000003130528
Fail-safe function to detect interlock conditions.
DTC Logic
INFOID:0000000003130529
DTC DETECTION LOGIC
NOTE:
When the vehicle is driven fixed in 2nd gear, a turbine revolution sensor malfunction is displayed, but
this is not a turbine revolution sensor malfunction.
DTC CONFIRMATION PROCEDURE
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch
OFF. Then wait at least 10 seconds before performing the next test.
1.
CHECK DTC DETECTION
With CONSULT-III
1.
Start the engine.
2.
Select “Data Monitor” mode for “TRANSMISSION”.
3.
Drive vehicle and maintain the following conditions for at least 2 consecutive seconds.
With GST
Follow the procedure “With CONSULT-III”.
Is “P1730 A/T INTERLOCK” detected?
YES
>> Go to
NO
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
Judgment of A/T Interlock
INFOID:0000000003130530
Diagnosis Procedure
INFOID:0000000003130531
1.
CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to
.
Is the inspection result normal?
YES
>> Replace the control valve with TCM. Refer to
NO
>> Repair or replace damaged parts.
DTC
Item
(CONSULT-III screen
terms)
A/T CHECK indicator
lamp judgment flicker
Diagnostic item is de-
tected when...
Possible cause
P1730
A/T INTERLOCK
12th
Except during shift
change, the gear posi-
tion and ATF pressure
switch states are moni-
tored and comparative
judgment made.
• Harness or connectors
(Solenoid and switch
circuit is open or short-
ed.)
• Low coast brake sole-
noid valve
• ATF pressure switch 2
SLCT LVR POSI
: “D” position
P1731 A/T 1ST ENGINE BRAKING
TM-77
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
C
E
F
G
H
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J
K
L
M
A
B
TM
N
O
P
P1731 A/T 1ST ENGINE BRAKING
Description
INFOID:0000000003130532
Fail-safe function to prevent sudden decrease in speed by engine brake other than at M1 position.
DTC Logic
INFOID:0000000003130533
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch
OFF. Then wait at least 10 seconds before performing the next test.
1.
CHECK DTC DETECTION
With CONSULT-III
1.
Start the engine.
2.
Select “Data Monitor” mode for “TRANSMISSION”.
3.
Drive vehicle and maintain the following conditions for at least 2 consecutive seconds.
Is “P1731 A/T 1ST E/BRAKING” detected?
YES
>> Go to
NO
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000003130534
1.
CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to
Is the inspection result normal?
YES
>> Replace the control valve with TCM. Refer to
NO
>> Repair or replace damaged parts.
DTC
Item
(CONSULT-III screen
terms)
A/T CHECK indicator
lamp judgment flicker
Diagnostic item is de-
tected when...
Possible cause
P1731
A/T 1ST E/BRAKING
13th
ATF pressure switch 2
and solenoid current is
monitor and if a pattern is
detected having engine
braking 1st gear other
than in the M1 position, a
malfunction is detected.
• Harness or connectors
(Sensor circuit is open
or shorted.)
• Low coast brake sole-
noid valve
• ATF pressure switch 2
ENGINE SPEED
: 1,200 rpm
GEAR
: “1” position
MANU MODE SW
: ON
TM-78
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
P1752 INPUT CLUTCH SOLENOID VALVE
P1752 INPUT CLUTCH SOLENOID VALVE
Description
INFOID:0000000003130535
• The Input clutch solenoid valve is controlled by the TCM in response to signals transmitted from the PNP
switch, vehicle speed sensor and accelerator pedal position sensor (throttle position sensor). Gears will then
be shifted to the optimum position.
• The Input clutch solenoid valve controls the input clutch control valve in response to a signal transmitted
from the TCM.
DTC Logic
INFOID:0000000003130536
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch
OFF. Then wait at least 10 seconds before performing the next test.
1.
CHECK DTC DETECTION
With CONSULT-III
1.
Start the engine.
2.
Select “Data Monitor” mode for “TRANSMISSION”.
3.
Drive vehicle and maintain the following conditions for at least 5 consecutive seconds.
With GST
Follow the procedure “With CONSULT-III”.
Is “P1752 I/C SOLENOID/CIRC” detected?
YES
>> Go to
NO
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000003130537
1.
CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to
.
Is the inspection result normal?
YES
>> Replace the control valve with TCM. Refer to
NO
>> Repair or replace damaged parts.
DTC
Item
(CONSULT-III screen
terms)
A/T CHECK indicator
lamp judgment flicker
Diagnostic item is de-
tected when...
Possible cause
P1752
I/C SOLENOID/CIRC
5th
• Normal voltage not ap-
plied to solenoid due
to cut line, short, or the
like.
• TCM detects as irregu-
lar by comparing tar-
get value with monitor
value.
• Harness or connectors
(Solenoid circuit is
open or shorted.)
• Input clutch solenoid
valve
ACCELE POSI
: 1.5/8 – 2.0/8
GEAR
: “3”
⇒
“4” (I/C ON/OFF)
SLCT LVR POSI
: “D” position
Driving location
: Driving the vehicle uphill (increased engine load) will help maintain the driving con-
ditions required for this test.
P1757 FRONT BRAKE SOLENOID VALVE
TM-79
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
C
E
F
G
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M
A
B
TM
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O
P
P1757 FRONT BRAKE SOLENOID VALVE
Description
INFOID:0000000003130538
• The front brake solenoid valve is controlled by the TCM in response to signals transmitted from the PNP
switch, vehicle speed sensor and accelerator pedal position sensor (throttle position sensor). Gears will then
be shifted to the optimum position.
• The front brake solenoid valve controls the front brake control valve in response to a signal transmitted from
the TCM.
DTC Logic
INFOID:0000000003130539
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch
OFF. Then wait at least 10 seconds before performing the next test.
1.
CHECK DTC DETECTION
With CONSULT-III
1.
Start the engine.
2.
Select “Data Monitor” mode for “TRANSMISSION”.
3.
Drive vehicle and maintain the following conditions for at least 5 consecutive seconds.
With GST
Follow the procedure “With CONSULT-III”.
Is “P1757 FR/B SOLENOID/CIRC” detected?
YES
>> Go to
NO
>> Check intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
Diagnosis Procedure
INFOID:0000000003130540
1.
CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to
Is the inspection result normal?
YES
>> Replace the control valve with TCM. Refer to
NO
>> Repair or replace damaged parts.
DTC
Item
(CONSULT-III screen
terms)
A/T CHECK indicator
lamp judgment flicker
Diagnostic item is de-
tected when...
Possible cause
P1757
FR/B SOLENOID/CIRC
6th
• Normal voltage not ap-
plied to solenoid due
to cut line, short, or the
like.
• TCM detects as irregu-
lar by comparing tar-
get value with monitor
value.
• Harness or connectors
(Solenoid circuit is
open or shorted.)
• Front brake solenoid
valve
ACCELE POSI
: 1.5/8 – 2.0/8
GEAR
: “3”
⇒
“4” (FR/B ON/OFF)
SLCT LVR POSI
: “D” position
Drive location
: Driving the vehicle uphill (increased engine load) will help maintain the driving condi-
tions required for this test.
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