Nissan Frontier D22. Manual — part 103
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-381
[RE4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
14. Lock-up Is Not Released
ECS007OK
SYMPTOM:
●
Lock-up is not released when accelerator pedal is released.
1.
CHECK THROTTLE POSITION SWITCH CIRCUIT
With CONSULT
Does “TCM INPUT SIGNALS” in Data Monitor show damage to closed throttle position switch circuit?
Without CONSULT
Does self-diagnosis show damage to closed throttle position switch
circuit?
Yes or No
Yes
>> Check closed throttle position switch circuit. Refer to
321, "DTC P1705 THROTTLE POSITION SENSOR"
No
>> GO TO 2.
2.
CHECK SYMPTOM
Check again.
OK or NG
OK
>> INSPECTION END
NG
>> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
SAT367J
AT-382
[RE4R01A]
TROUBLE DIAGNOSES FOR SYMPTOMS
15. Engine Speed Does Not Return To Idle (Light Braking D
4
→ D
3
)
ECS007OL
SYMPTOM:
●
Engine speed does not smoothly return to idle when A/T shifts from D
4
to D
3
.
●
Vehicle does not decelerate by engine brake when turning overdrive control switch OFF.
●
Vehicle does not decelerate by engine brake when shifting A/T from D to 2 position.
1.
CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to overrun clutch solenoid valve
circuit after Cruise Test?
Yes or No
Yes
>> Check overrun clutch solenoid valve circuit. Refer to
329, "DTC P1760 OVERRUN CLUTCH SOLENOID
VALVE"
No
>> GO TO 2.
2.
CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to
(VG33E only) or
EC-1350, "DTC P0121 TP SENSOR"
(VG33ER only).
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace throttle position sensor.
3.
CHECK A/T FLUID CONDITION
1.
Remove oil pan.
2.
Check A/T fluid condition.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 6.
SAT348H
AAT495A
SAT171B
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-383
[RE4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
4.
DETECT MALFUNCTIONING ITEM
1.
Remove control valve assembly. Refer to
2.
Check the following items:
–
Overrun clutch control valve
–
Overrun clutch reducing valve
–
Overrun clutch solenoid valve
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
5.
CHECK SYMPTOM
Check again.
OK or NG
OK
>> INSPECTION END
NG
>> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
6.
DETECT MALFUNCTIONING ITEM
1.
Remove control valve assembly. Refer to
2.
Check the following items:
–
Overrun clutch control valve
–
Overrun clutch reducing valve
–
Overrun clutch solenoid valve
3.
Disassemble A/T.
4.
Check the following items:
–
Overrun clutch assembly
–
Oil pump assembly
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
16. Vehicle Does Not Start From D
1
ECS007OM
SYMPTOM:
●
Vehicle does not start from D
1
on Cruise Test — Part 2.
1.
CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to vehicle speed sensor·A/T (rev-
olution sensor), shift solenoid valve A, B or vehicle speed sen-
sor·MTR after Cruise Test?
Yes or No
Yes
>> Check damaged circuit. Refer to
VEHICLE SPEED SENSOR·A/T (REVOLUTION SEN-
SOR)"
,
AT-311, "DTC P0750 SHIFT SOLENOID VALVE
AT-316, "DTC P0755 SHIFT SOLENOID VALVE B"
AT-340, "DTC VEHICLE SPEED SENSOR·MTR"
No
>> GO TO 2.
SAT633I
AT-384
[RE4R01A]
TROUBLE DIAGNOSES FOR SYMPTOMS
2.
CHECK SYMPTOM
Check again.
OK or NG
OK
>> Go to
AT-369, "8. Vehicle Cannot Be Started From D
NG
>> 1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
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