Infiniti I35 (A33). Manual — part 58
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 accelerator pedal posi-
tion sensor (throttle position sensor) circuit?
SAT582KA
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-114, or 188.
3
CHECK LINE PRESSURE
Check line pressure at idle with selector lever in D position. Refer to AT-68, “LINE PRESSURE TEST”.
SAT494G
OK or NG
OK
©
GO TO 5.
NG
©
GO TO 4.
4
DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-282.
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
I
Oil pump assembly
OK or NG
OK
©
GO TO 5.
NG
©
Repair or replace damaged parts.
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
Large Shock. N
→
R Position
AT-229
5
CHECK SYMPTOM
Check again.
OK or NG
OK
©
INSPECTION END
NG
©
GO TO 6.
6
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
Large Shock. N
→
R Position (Cont’d)
AT-230
Vehicle Does Not Creep Backward In R
Position
=NHAT0093
SYMPTOM:
Vehicle does not creep backward when selecting R position.
1
CHECK A/T FLUID LEVEL
Check A/T fluid level again.
SAT638A
OK or NG
OK
©
GO TO 2.
NG
©
Refill ATF.
2
CHECK LINE PRESSURE
Check line pressure at idle with selector lever in R position. Refer to AT-68, “LINE PRESSURE TEST”.
SAT494G
OK or NG
OK
©
GO TO 4.
NG
©
GO TO 3.
3
DETECT MALFUNCTIONING ITEM
1. Remove control valve assembly. Refer to AT-282, “ON-VEHICLE SERVICE”.
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
3. Disassemble A/T. Refer to AT-293.
4. Check the following item:
I
Oil pump assembly
OK or NG
OK
©
GO TO 4.
NG
©
Repair or replace damaged parts.
GI
MA
EM
LC
EC
FE
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
Vehicle Does Not Creep Backward In R Position
AT-231
4
CHECK STALL REVOLUTION
Check stall revolution with selector lever in 1st and R positions.
SAT493G
OK or NG
OK (Refer to “Stall test”,
AT-64.)
©
GO TO 7.
OK in 1st position, NG in
R position
©
GO TO 5.
NG in both 1st and R
positions
©
GO TO 6.
5
DETECT MALFUNCTIONING ITEM
1. Disassemble A/T. Refer to AT-293.
2. Check the following item:
I
Reverse clutch assembly
OK or NG
OK
©
GO TO 7.
NG
©
Repair or replace damaged parts.
6
DETECT MALFUNCTIONING ITEM
1. Disassemble A/T. Refer to AT-293.
2. Check the following items:
I
Reverse clutch assembly
I
High clutch assembly
I
Low & reverse brake assembly
I
Forward clutch assembly
I
Overrun clutch assembly
OK or NG
OK
©
GO TO 7.
NG
©
Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
Vehicle Does Not Creep Backward In R Position (Cont’d)
AT-232
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