Infiniti I35 (A33). Manual — part 61
4
CHECK ACCELERATOR PEDAL POSITION SENSOR
Check accelerator pedal position sensor. Refer to AT-188, “DTC P1705”.
SAT516KB
OK or NG
OK
©
GO TO 5.
NG
©
Repair or replace accelerator pedal position sensor.
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. Remove control valve. Refer to AT-282.
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. Refer to AT-293.
4. Check the following items:
I
Servo piston assembly
I
Brake band
OK or NG
OK
©
GO TO 8.
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
A/T Does Not Shift: D
1
→
D
2
or Does Not Kickdown: D
4
→
D
2
(Cont’d)
AT-241
7
DETECT MALFUNCTIONING ITEM
1. Remove control valve. Refer to AT-282.
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 8.
NG
©
Repair or replace damaged parts.
8
CHECK SYMPTOM
Check again.
OK or NG
OK
©
INSPECTION END
NG
©
GO TO 9.
9
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
A/T Does Not Shift: D
1
→
D
2
or Does Not Kickdown: D
4
→
D
2
(Cont’d)
AT-242
A/T Does Not Shift: D
2
→
D
3
=NHAT0097
SYMPTOM:
A/T does not shift from D
2
to D
3
at the specified speed.
1
CHECK SYMPTOM
Are “Vehicle Does Not Creep Forward In D, 2nd or 1st Position” and “Vehicle Cannot Be Started From D
1
” OK?
Yes or No
Yes
©
GO TO 2.
No
©
Go to “Vehicle Does Not Creep Forward In D, 2nd or 1st Position” and “Vehicle Cannot
Be Started From D
1
2
ADJUST CONTROL CABLE
Check control cable. Refer to AT-284.
SAT023JA
OK or NG
OK
©
GO TO 3.
NG
©
Adjust control cable. Refer to AT-284.
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 “DTC P0720 and
VHCL SPEED SEN·MTR”, AT-120 and AT-206.
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
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
A/T Does Not Shift: D
2
→
D
3
AT-243
4
CHECK ACCELERATOR PEDAL POSITION SENSOR
Check accelerator pedal position sensor. Refer to AT-188, “DTC P1705”.
SAT516KB
OK or NG
OK
©
GO TO 5.
NG
©
Repair or replace accelerator pedal position sensor.
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. Remove control valve assembly. Refer to AT-282.
2. Check the following items:
I
Shift valve B
I
Shift solenoid valve B
I
Pilot valve
I
Pilot filter
3. Disassemble A/T. Refer to AT-293.
4. Check the following items:
I
Servo piston assembly
I
High clutch assembly
I
Brake band
OK or NG
OK
©
GO TO 8.
NG
©
Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
A/T Does Not Shift: D
2
→
D
3
(Cont’d)
AT-244
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