Nissan Silvia. Manual — part 47
20. A/T Does Not Shift: D
4
→
D
3
, When
Overdrive Control Switch “ON”
→
“OFF”
=NMAT0089
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-II
Does “TCM INPUT SIGNALS” in Data Monitor show damage to overdrive control switch circuit?
Without CONSULT-II
Does self-diagnosis show damage to overdrive control switch circuit?
SAT146BA
Yes or No
Yes
©
Check overdrive control switch circuit. Refer to AT-189.
No
©
Go to “13. A/T Does Not Shift: D
2
,
D
3
”, AT-171.
GI
MA
EM
LC
EC
FE
CL
MT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
20. A/T Does Not Shift: D
4
→
D
3
, When Overdrive Control Switch “ON”
→
“OFF”
AT-185
21. A/T Does Not Shift: D
3
→
2
2
, When Selector
Lever “D”
→
“2” Position
=NMAT0090
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-II
Does “TCM INPUT SIGNALS” in Data Monitor show damage to PNP switch circuit?
Without CONSULT-II
Does self-diagnosis show damage to PNP switch circuit?
SAT146BA
Yes or No
Yes
©
Check PNP switch circuit. Refer to AT-189.
No
©
Go to “12. A/T Does Not Shift: D
1
,
D
2
Or Does Not Kickdown: D
4
,
D
2
”, AT-168.
TROUBLE DIAGNOSES FOR SYMPTOMS
21. A/T Does Not Shift: D
3
→
2
2
, When Selector Lever “D”
→
“2” Position
AT-186
22. A/T Does Not Shift: 2
2
→
1
1
, When Selector
Lever “2”
→
“1” Position
=NMAT0091
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-II
Does “TCM INPUT SIGNALS” in Data Monitor show damage to PNP switch circuit?
Without CONSULT-II
Does self-diagnosis show damage to PNP switch circuit?
SAT146BA
Yes or No
Yes
©
Check PNP switch circuit. Refer to AT-189.
No
©
GO TO 2.
2
CHECK SYMPTOM
Check again.
SAT778B
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 con-
nector.
GI
MA
EM
LC
EC
FE
CL
MT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
22. A/T Does Not Shift: 2
2
→
1
1
, When Selector Lever “2”
→
“1” Position
AT-187
23. Vehicle Does Not Decelerate By Engine
Brake
=NMAT0092
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
©
Go to “18. Engine Speed Does Not Return To Idle (Light Braking D
4
,
D
3
)”, AT-182.
No
©
Go to “9. Vehicle Does Not Creep Backward In “R” Position”, AT-159.
TROUBLE DIAGNOSES FOR SYMPTOMS
23. Vehicle Does Not Decelerate By Engine Brake
AT-188
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