Nissan Frontier D40. Instruction — part 1075
TM-198
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
P1752 INPUT CLUTCH SOLENOID
P1752 INPUT CLUTCH SOLENOID
Description
INFOID:0000000005274112
Input clutch solenoid valve is controlled by the TCM in response to signals sent from the transmission range
switch, output speed sensor and accelerator pedal position sensor (throttle position sensor). Gears will then
be shifted to the optimum position.
CONSULT-III Reference Value in Data Monitor Mode
INFOID:0000000005274113
On Board Diagnosis Logic
INFOID:0000000005274114
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P1752” with CONSULT-III or 5th judgment flicker without CONSULT-III 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 Cause
INFOID:0000000005274115
• Harness or connectors
(The solenoid circuit is open or shorted.)
• Input clutch solenoid valve
DTC Confirmation Procedure
INFOID:0000000005274116
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-III
1.
Turn ignition switch “ON”. (Do not start engine.)
2.
Select “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3.
Start engine.
4.
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: 3rd
⇒
4th (I/C ON/OFF)
Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving
conditions required for this test.
5.
If DTC is detected go to
WITH GST
Follow the procedure “WITH CONSULT-III”.
Diagnosis Procedure
INFOID:0000000005274117
1.
CHECK INPUT SIGNAL
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “MAIN SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3.
Start the engine.
4.
Read out the value of “I/C SOLENOID” while driving.
Item name
Condition
Display value (Approx.)
I/C SOLENOID
Input clutch disengaged. Refer to
0.6 - 0.8 A
Input clutch engaged. Refer to
.
0 - 0.05 A
P1752 INPUT CLUTCH SOLENOID
TM-199
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 2.
2.
CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
DETECT MALFUNCTIONING ITEM
Check the following.
• The A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK
>> Replace the control valve with TCM. Refer to
TM-280, "Removal and Installation"
NG
>> Repair or replace damaged parts.
4.
CHECK DTC
Perform “DTC Confirmation Procedure”.
• Refer to
TM-198, "DTC Confirmation Procedure"
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 2.
TM-200
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
P1757 FRONT BRAKE SOLENOID
P1757 FRONT BRAKE SOLENOID
Description
INFOID:0000000005274118
Front brake solenoid valve is controlled by the TCM in response to signals sent from the transmission range
switch, output speed sensor and accelerator pedal position sensor (throttle position sensor). Gears will then
be shifted to the optimum position.
CONSULT-III Reference Value in Data Monitor Mode
INFOID:0000000005274119
On Board Diagnosis Logic
INFOID:0000000005274120
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P1757” with CONSULT-III or 6th judgment flicker without CONSULT-III 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 Cause
INFOID:0000000005274121
• Harness or connectors
(The solenoid circuit is open or shorted.)
• Front brake solenoid valve
DTC Confirmation Procedure
INFOID:0000000005274122
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-III
1.
Turn ignition switch “ON”. (Do not start engine.)
2.
Select “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3.
Start engine.
4.
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: 3rd
⇒
4th (FR/B ON/OFF)
Driving location: Driving the vehicle uphill (increased engine load) will help maintain the driving
conditions required for this test.
5.
If DTC is detected go to
WITH GST
Follow the procedure “WITH CONSULT-III”.
Diagnosis Procedure
INFOID:0000000005274123
1.
CHECK INPUT SIGNAL
With CONSULT-III
1.
Turn ignition switch ON.
2.
Select “MAIN SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3.
Start engine.
4.
Read out the value of “FR/B SOLENOID” while driving.
Item name
Condition
Display value (Approx.)
FR/B SOLENOID
Front brake engaged. Refer to
.
0.6 - 0.8 A
Front brake disengaged. Refer to
0 - 0.05 A
P1757 FRONT BRAKE SOLENOID
TM-201
< COMPONENT DIAGNOSIS >
[5AT: RE5R05A]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 2.
2.
CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace damaged parts.
3.
DETECT MALFUNCTIONING ITEM
Check the following.
• The A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK
>> Replace the control valve with TCM. Refer to
TM-280, "Removal and Installation"
NG
>> Repair or replace damaged parts.
4.
CHECK DTC
Perform “DTC Confirmation Procedure”.
• Refer to
TM-200, "DTC Confirmation Procedure"
.
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 2.
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