Nissan Frontier D22. Manual — part 104
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-385
[RE4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
17. A/T Does Not Shift: D
4
→ D
3
, When Overdrive Control Switch ON
→ OFF
ECS007ON
SYMPTOM:
●
A/T does not shift from D
4
to D
3
when changing overdrive control switch to OFF position.
1.
CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
With CONSULT
Does “TCM INPUT SIGNALS” in Data Monitor show damage to overdrive control switch circuit?
Without CONSULT
Does self-diagnosis show damage to overdrive control switch cir-
cuit?
Yes or No
Yes
>> Check overdrive control switch circuit. Refer to
.
No
>> Go to
AT-374, "10. A/T Does Not Shift: D
.
SAT344H
AT-386
[RE4R01A]
TROUBLE DIAGNOSES FOR SYMPTOMS
18. A/T Does Not Shift: D
3
→ 2
2
, When Selector Lever D
→ 2 Position
ECS007OO
SYMPTOM:
●
A/T does not shift from D
3
to 2
2
when changing selector lever from D to 2 position.
1.
CHECK PNP SWITCH CIRCUIT
With CONSULT
Does “TCM INPUT SIGNALS” in Data Monitor show damage to PNP switch circuit?
Without CONSULT
Does self-diagnosis show damage to PNP switch circuit?
Yes or No
Yes
>> Check PNP switch circuit. Refer to
PARK/NEUTRAL POSITION (PNP) SWITCH"
No
>> Go to
AT-372, "9. A/T Does Not Shift: D
SAT367J
TROUBLE DIAGNOSES FOR SYMPTOMS
AT-387
[RE4R01A]
D
E
F
G
H
I
J
K
L
M
A
B
AT
19. A/T Does Not Shift: 2
2
→ 1
1
, When Selector Lever 2
→ 1 Position
ECS007OP
SYMPTOM:
●
A/T does not shift from 2
2
to 1
1
when changing selector lever from 2 to 1 position.
1.
CHECK PNP SWITCH CIRCUIT
With CONSULT
Does “TCM INPUT SIGNALS” in Data Monitor show damage to PNP switch circuit?
Without CONSULT
Does self-diagnosis show damage to PNP switch circuit?
Yes or No
Yes
>> Check PNP switch circuit. Refer to
PARK/NEUTRAL POSITION (PNP) SWITCH"
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.
20. Vehicle Does Not Decelerate By Engine Brake
ECS007OQ
SYMPTOM:
●
Vehicle does not decelerate by engine brake when shifting from 2
2
(1
2
) to 1
1
.
1.
CHECK SYMPTOM
Is “6. Vehicle Does Not Creep Backward In R Position” OK?
Yes or No
Yes
AT-382, "15. Engine Speed Does Not Return To Idle (Light Braking D
.
No
>> Go to
AT-364, "6. Vehicle Does Not Creep Backward In R Position"
21. TCM Self-diagnosis Does Not Activate (PNP, Overdrive Control and Throttle
Position Switches Circuit Checks)
ECS007OR
SYMPTOM:
●
O/D OFF indicator lamp does not come on in TCM self-diagnostic procedure even the lamp circuit
is good.
SAT367J
SAT778B
AT-388
[RE4R01A]
TROUBLE DIAGNOSES FOR SYMPTOMS
DESCRIPTION
●
PNP switch
The PNP switch assembly includes a transmission range switch.
The transmission range switch detects the selector position and
sends a signal to the TCM.
●
Overdrive control switch
Detects the overdrive control switch position (ON or OFF) and
sends a signal to the TCM.
●
Throttle position switch
Consists of a wide open throttle position switch and a closed
throttle position switch.
The wide open position switch sends a signal to the TCM when
the throttle valve is open at least 1/2 of the full throttle position.
The closed throttle position switch sends a signal to the TCM
when the throttle valve is fully closed.
AAT478A
SAT341I
AAT495A
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