Infiniti I30 (A33). Manual — part 57
4
CHECK A/T FLUID LEVEL
Check A/T fluid level again.
SAT638A
OK or NG
OK
©
GO TO 5.
NG
©
Refill ATF.
5
CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
SAT171B
OK or NG
OK
©
GO TO 7.
NG
©
GO TO 6.
6
DETECT MALFUNCTIONING ITEM
1. Disassemble A/T.
2. Check the following items:
I
Forward clutch assembly
I
Overrun clutch assembly
I
Reverse clutch assembly
OK or NG
OK
©
GO TO 7.
NG
©
Repair or replace damaged parts.
7
CHECK SYMPTOM
Check again.
OK or NG
OK
©
INSPECTION END
NG
©
GO TO 8.
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
4. In N Position, Vehicle Moves (Cont’d)
AT-225
8
CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK
©
INSPECTION END
NG
©
Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
4. In N Position, Vehicle Moves (Cont’d)
AT-226
5. Large Shock. N
→
R Position
=NHAT0092
SYMPTOM:
There is large shock when changing from N to R position.
1
CHECK SELF-DIAGNOSTIC RESULTS
Does self-diagnosis show damage to A/T fluid temperature sensor, line pressure solenoid valve or throttle position sensor
circuit?
SAT345HA
Yes or No
Yes
©
GO TO 2.
No
©
GO TO 3.
2
CHECK DAMAGED CIRCUIT
Check damaged circuit.
©
Refer to “DTC P0710, P0745 or P1705”, AT-108, or 182.
3
CHECK THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to EC-176, “DTC P0120 Throttle Position Sensor”.
SAT289K
OK or NG
OK
©
GO TO 4.
NG
©
Repair or replace throttle position sensor.
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
5. Large Shock. N
→
R Position
AT-227
4
CHECK LINE PRESSURE
Check line pressure at idle with selector lever in D position. Refer to “LINE PRESSURE TEST”, AT-65.
SAT494G
OK or NG
OK
©
GO TO 6.
NG
©
GO TO 5.
5
DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-280.
2. Check the following items:
I
Valves to control line pressure (Pressure regulator valve, pressure modifier valve, pilot valve and pilot filter)
I
Line pressure solenoid valve
OK or NG
OK
©
GO TO 6.
NG
©
Repair or replace damaged parts.
6
CHECK SYMPTOM
Check again.
OK or NG
OK
©
INSPECTION END
NG
©
GO TO 7.
7
CHECK TCM INSPECTION
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK
©
INSPECTION END
NG
©
Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
5. Large Shock. N
→
R Position (Cont’d)
AT-228
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