Infiniti G20 (P11). Manual — part 61
4
CHECK LINE PRESSURE
Check line pressure at stall point with selector lever in “D” position. Refer to “Line Pressure Test”, AT-86.
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-280.
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.
GI
MA
EM
LC
EC
FE
CL
MT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
8. Vehicle Cannot Be Started From D
1
(Cont’d)
AT-241
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-280.
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.
TROUBLE DIAGNOSES FOR SYMPTOMS
8. Vehicle Cannot Be Started From D
1
(Cont’d)
AT-242
9. A/T Does Not Shift: D
1
→
D
2
Or Does Not
Kickdown: D
4
→
D
2
=NCAT0089
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 7. Vehicle Does Not Creep Forward In “D”, “2” Or “1” Position and 8. Vehicle Can-
not 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?
SAT367J
Yes or No
Yes
©
Check PNP switch circuit. Refer to “DTC P0705”, AT-107.
No
©
GO TO 3.
3
CHECK VEHICLE SPEED SENSOR·A/T AND CHECK VEHICLE SPEED SENSOR·MTR CIRCUIT
Check vehicle speed sensor·A/T (revolution sensor) and vehicle speed sensor·MTR circuit. Refer to “DTC P0720 and
VHCL SPEED SEN·MTR”, AT-119, AT-215.
OK or NG
OK
©
GO TO 4.
NG
©
Repair or replace vehicle speed sensor·A/T (revolution sensor) and vehicle speed
sensor·MTR circuits.
GI
MA
EM
LC
EC
FE
CL
MT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
9. A/T Does Not Shift: D
1
→
D
2
Or Does Not Kickdown: D
4
→
D
2
AT-243
4
CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to EC-177, “DTC P0120 THROTTLE POSITION SENSOR”.
SAT413J
OK or NG
OK
©
GO TO 5.
NG
©
Repair or replace throttle position sensor.
5
CHECK A/T FLUID CONIDITION
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. Refer to AT-280.
2. Check the following items:
I
Shift valve A
I
Shift solenoid valve A
I
Pilot valve
I
Pilot filter
OK or NG
OK
©
GO TO 7.
NG
©
Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
9. A/T Does Not Shift: D
1
→
D
2
Or Does Not Kickdown: D
4
→
D
2
(Cont’d)
AT-244
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст