Infiniti G35 (V35). Manual — part 53
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-203
D
E
F
G
H
I
J
K
L
M
A
B
AT
Lock-up Is Not Released
NCS000IC
SYMPTOM:
The lock-up condition cannot be cancelled even after releasing the accelerator pedal.
DIAGNOSTIC PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
AT-86, "SELF-DIAGNOSTIC RESULT MODE"
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-86, "SELF-DIAGNOSTIC RESULT MODE"
"Judgment Self-diagnosis Code"
NO
>> GO TO 2.
2.
CHECK SYMPTOM
Check again. Refer to
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 3.
3.
CHECK TCM
1.
Check TCM input/output signals. Refer to
AT-83, "TCM Input/Output Signal Reference Values"
.
2.
If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
Engine Speed Does Not Return to Idle
NCS000ID
SYMPTOM:
When a shift-down is performed, the engine speed does not smoothly return to the idling speed.
DIAGNOSTIC PROCEDURE
1.
CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to
OK or NG
OK
>> GO TO 2.
NG
>> Refill ATF.
2.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
AT-86, "SELF-DIAGNOSTIC RESULT MODE"
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-86, "SELF-DIAGNOSTIC RESULT MODE"
"Judgment Self-diagnosis Code"
NO
>> GO TO 3.
AT-204
TROUBLE DIAGNOSIS FOR SYMPTOMS
3.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-225, "Control Valve with TCM and A/T Fluid Temperature Sensor 2"
2.
Check A/T fluid condition. Refer to
AT-50, "A/T Fluid Condition Check"
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 7.
4.
DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
5.
CHECK SYMPTOM
Check again. Refer to
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 6.
6.
CHECK TCM
1.
Check TCM input/output signals. Refer to
AT-83, "TCM Input/Output Signal Reference Values"
2.
If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
7.
DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-205
D
E
F
G
H
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M
A
B
AT
Cannot Be Changed to Manual Mode
NCS000IE
SYMPTOM:
Does not change to manual mode when manual shift gate is used.
DIAGNOSTIC PROCEDURE
1.
CHECK MANUAL MODE SWITCH
Check the manual mode switch. Refer to
AT-160, "DTC P1815 MANUAL MODE SWITCH"
.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace damaged parts.
2.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
AT-86, "SELF-DIAGNOSTIC RESULT MODE"
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-86, "SELF-DIAGNOSTIC RESULT MODE"
"Judgment Self-diagnosis Code"
NO
>> INSPECTION END
A/T Does Not Shift: 5th Gear
→
4th Gear
NCS000IF
SYMPTOM:
When shifted from M5 to M4 position in manual mode, does not downshift from 5th to 4th gear.
DIAGNOSTIC PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
AT-86, "SELF-DIAGNOSTIC RESULT MODE"
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-86, "SELF-DIAGNOSTIC RESULT MODE"
"Judgment Self-diagnosis Code"
NO
>> GO TO 2.
2.
CHECK A/T FLUID LEVEL
Check A/T fluid level. Refer to
OK or NG
OK
>> GO TO 3.
NG
>> Refill ATF.
3.
CHECK A/T POSITION
Check A/T position. Refer to
AT-216, "Checking of A/T Position"
OK or NG
OK
>> GO TO 4.
NG
>> Adjust A/T position. Refer to
AT-215, "Adjustment of A/T Position"
.
4.
CHECK MANUAL MODE SWITCH
Check the manual mode switch. Refer to
AT-160, "DTC P1815 MANUAL MODE SWITCH"
.
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
AT-206
TROUBLE DIAGNOSIS FOR SYMPTOMS
5.
CHECK A/T FLUID CONDITION
1.
Remove oil pan. Refer to
AT-225, "Control Valve with TCM and A/T Fluid Temperature Sensor 2"
2.
Check A/T fluid condition. Refer to
AT-50, "A/T Fluid Condition Check"
OK or NG
OK
>> GO TO 6.
NG
>> GO TO 9.
6.
DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
7.
CHECK SYMPTOM
Check again. Refer to
OK or NG
OK
>> INSPECTION END
NG
>> GO TO 8.
8.
CHECK TCM
1.
Check TCM input/output signals. Refer to
AT-83, "TCM Input/Output Signal Reference Values"
2.
If NG, recheck A/T assembly harness connector terminals for damage or loose connection with harness
connector.
OK or NG
OK
>> INSPECTION END
NG
>> Repair or replace damaged parts.
9.
DETECT MALFUNCTIONING ITEM
Check the malfunction items. If any items are damaged, repair or replace damaged parts. Refer to
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
A/T Does Not Shift: 4th Gear
→
3rd Gear
NCS000IG
SYMPTOM:
When shifted from M4 to M3 position in manual mode, does not downshift from 4th to 3rd gear.
DIAGNOSTIC PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
AT-86, "SELF-DIAGNOSTIC RESULT MODE"
,
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-86, "SELF-DIAGNOSTIC RESULT MODE"
"Judgment Self-diagnosis Code"
.
NO
>> GO TO 2.
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