Nissan Silvia. Instruction — part 42
11. Vehicle Cannot Be Started From D
1
=NMAT0080
SYMPTOM:
Vehicle cannot be started from D
1
on Cruise test — Part 1.
1
CHECK SYMPTOM
Is “6. Vehicle Does Not Creep Backward In “R” Position” OK?
Yes or No
Yes
©
GO TO 2.
No
©
Go to “9. Vehicle Does Not Creep Backward In “R” Position”, AT-159.
2
CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to vehicle speed sensor·A/T (revolution sensor), shift solenoid valve A, B or vehicle
speed sensor·MTR after cruise test?
SAT934FB
Yes or No
Yes
©
Check damaged circuit. Refer to AT-89, AT-95, AT-106 or AT-111.
No
©
GO TO 3.
3
CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to EC-141, “Component Description”.
SAT414K
OK or NG
OK
©
GO TO 4.
NG
©
Repair or replace throttle position sensor.
GI
MA
EM
LC
EC
FE
CL
MT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
11. Vehicle Cannot Be Started From D
1
AT-165
4
CHECK LINE PRESSURE
Check line pressure at stall point with selector lever in “D” position.
Refer to “LINE PRESSURE TEST”, AT-51.
SAT494G
OK or NG
OK
©
GO TO 5.
NG
©
GO TO 8.
5
CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
SAT171B
OK or NG
OK
©
GO TO 6.
NG
©
GO TO 8.
6
DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly.
Refer to AT-205.
2. Check the following items:
I
Shift valve A
I
Shift valve B
I
Shift solenoid valve A
I
Shift solenoid valve B
I
Pilot valve
I
Pilot filter
OK or NG
OK
©
GO TO 7.
NG
©
Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
11. Vehicle Cannot Be Started From D
1
(Cont’d)
AT-166
7
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 con-
nector.
8
DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly.
Refer to AT-205.
2. Check the following items:
I
Shift valve A
I
Shift valve B
I
Shift solenoid valve A
I
Shift solenoid valve B
I
Pilot valve
I
Pilot filter
3. Disassemble A/T.
4. Check the following items:
I
Forward clutch assembly
I
Forward one-way clutch
I
Low one-way clutch
I
High clutch assembly
I
Torque converter
I
Oil pump assembly
OK or NG
OK
©
GO TO 7.
NG
©
Repair or replace damaged parts.
GI
MA
EM
LC
EC
FE
CL
MT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
11. Vehicle Cannot Be Started From D
1
(Cont’d)
AT-167
12. A/T Does Not Shift: D
1
→
D
2
Or Does Not
Kickdown: D
4
→
D
2
=NMAT0081
SYMPTOM:
A/T does not shift from D
1
to D
2
at the specified speed.
A/T does not shift from D
4
to D
2
when depressing accelerator
pedal fully at the specified speed.
1
CHECK SYMPTOM
Are “7. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position” and “8. Vehicle Cannot Be Started From D
1
” OK?
Yes or No
Yes
©
GO TO 2.
No
©
Go to “10. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position” and “11. Vehicle
Cannot Be Started From D
1
2
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 3.
3
CHECK VEHICLE SPEED SENSOR·A/T AND VEHICLE SPEED SENSOR·MTR CIRCUIT
Check vehicle speed sensor·A/T (revolution sensor) and vehicle speed sensor·MTR circuit. Refer to AT-89, AT-95.
OK or NG
OK
©
GO TO 4.
NG
©
Repair or replace vehicle speed sensor·A/T (revolution sensor) and vehicle speed
sensor·MTR circuits.
TROUBLE DIAGNOSES FOR SYMPTOMS
12. A/T Does Not Shift: D
1
→
D
2
Or Does Not Kickdown: D
4
→
D
2
AT-168
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