Infiniti Q45. Manual — part 74
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-209
D
E
F
G
H
I
J
K
L
M
A
B
AT
3.
CHECK CONTROL LINKAGE
Check the control linkage. Refer to
AT-218, "Checking of A/T Position"
OK or NG
OK
>> GO TO 4.
NG
>> Adjust control linkage. Refer to
AT-218, "Adjustment of A/T Position"
4.
CHECK MANUAL MODE SWITCH
Check the manual mode switch. Refer to
AT-161, "DTC P1815 MANUAL MODE SWITCH"
.
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
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-51, "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
(Symptom No.48).
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-84, "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
(Symptom No.48).
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
AT-210
TROUBLE DIAGNOSIS FOR SYMPTOMS
A/T Does Not Shift: 3rd Gear
→
2nd Gear
NCS0010X
SYMPTOM:
When shifted from M3 to M2 position in manual mode, does not downshift from 3rd to 2nd gear.
DIAGNOSTIC PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
AT-87, "SELF-DIAGNOSTIC RESULT MODE"
,
.
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-87, "SELF-DIAGNOSTIC RESULT MODE"
"Judgement 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 CONTROL LINKAGE
Check the control linkage. Refer to
AT-218, "Checking of A/T Position"
OK or NG
OK
>> GO TO 4.
NG
>> Adjust control linkage. Refer to
AT-218, "Adjustment of A/T Position"
4.
CHECK MANUAL MODE SWITCH
Check the manual mode switch. Refer to
AT-161, "DTC P1815 MANUAL MODE SWITCH"
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
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-51, "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.
TROUBLE DIAGNOSIS FOR SYMPTOMS
AT-211
D
E
F
G
H
I
J
K
L
M
A
B
AT
8.
CHECK TCM
1.
Check TCM input/output signals. Refer to
AT-84, "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
(Symptom No.49).
OK or NG
OK
>> GO TO 7.
NG
>> Repair or replace damaged parts.
A/T Does Not Shift: 2nd Gear
→
1st Gear
NCS0010Y
SYMPTOM:
When shifted from M2 to M1 position in manual mode, does not downshift from 2nd to 1st gear.
DIAGNOSTIC PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
AT-87, "SELF-DIAGNOSTIC RESULT MODE"
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-87, "SELF-DIAGNOSTIC RESULT MODE"
"Judgement 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 CONTROL LINKAGE
Check the control linkage. Refer to
AT-218, "Checking of A/T Position"
OK or NG
OK
>> GO TO 4.
NG
>> Adjust control linkage. Refer to
AT-218, "Adjustment of A/T Position"
4.
CHECK MANUAL MODE SWITCH
Check the manual mode switch. Refer to
AT-161, "DTC P1815 MANUAL MODE SWITCH"
.
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace damaged parts.
AT-212
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-51, "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-84, "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.
Vehicle Does Not Decelerate By Engine Brake
NCS0010Z
SYMPTOM:
No engine brake is applied when the gear is shifted from the 2nd to 1st gear.
DIAGNOSTIC PROCEDURE
1.
CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to
AT-87, "SELF-DIAGNOSTIC RESULT MODE"
,
.
Is any malfunction detected by self-diagnostic results?
YES
>> Check the malfunctioning system. Refer to
AT-87, "SELF-DIAGNOSTIC RESULT MODE"
"Judgement Self-diagnosis Code"
.
NO
>> GO TO 2.
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