Nissan Silvia. Manual — part 39
5. Engine Cannot Be Started In “P” and “N”
Position
=NMAT0074
SYMPTOM:
Engine cannot be started with selector lever in “P” or “N”
position.
Engine cannot be started with selector lever in “P”Engine can
be started with selector lever in “D”, “2”, “1” or “R” position.
1
CHECK PNP SWITCH CIRCUIT
With CONSULT-II
Does “TCM INPUT SIGNALS” in Data Monitor show damage to PNP switch circuit?
Without CONSULT-II
Does self-diagnosis show damage to PNP switch circuit?
SAT146BA
Yes or No
Yes
©
Check PNP switch circuit. Refer to AT-189.
No
©
GO TO 2.
2
CHECK PNP SWITCH INSPECTION
Check for short or open of PNP switch 2-pin harness connector E22. Refer to “Components Inspection”, AT-196.
OK or NG
OK
©
GO TO 3.
NG
©
Repair or replace PNP switch.
3
CHECK STARTING SYSTEM
Check starting system. Refer to SC-12, “System Description”.
OK or NG
OK
©
INSPECTION END
NG
©
Repair or replace damaged parts.
GI
MA
EM
LC
EC
FE
CL
MT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
5. Engine Cannot Be Started In “P” and “N” Position
AT-153
6. In “P” Position, Vehicle Moves Forward Or
Backward When Pushed
=NMAT0075
SYMPTOM:
Vehicle moves when it is pushed forward or backward with
selector lever in “P” position.
1
CHECK PARKING COMPONENTS
Check parking components.
Refer to “Parking Pawl Components”, AT-266.
SAT133B
OK or NG
OK
©
INSPECTION END
NG
©
Repair or replace damaged parts.
TROUBLE DIAGNOSES FOR SYMPTOMS
6. In “P” Position, Vehicle Moves Forward Or Backward When Pushed
AT-154
7. In “N” Position, Vehicle Moves
=NMAT0076
SYMPTOM:
Vehicle moves forward or backward when selecting “N” posi-
tion.
1
CHECK PNP SWITCH CIRCUIT
With CONSULT-II
Does “TCM INPUT SIGNALS” in Data Monitor show damage to PNP switch circuit?
Without CONSULT-II
Does self-diagnosis show damage to PNP switch circuit?
SAT146BA
Yes or No
Yes
©
Check PNP switch circuit. Refer to AT-189.
No
©
GO TO 2.
2
CHECK CONTROL LINKAGE
Check control linkage. Refer to AT-207.
OK or NG
OK
©
GO TO 3.
NG
©
Adjust control linkage. Refer to AT-207.
3
CHECK A/T FLUID LEVEL
Check A/T fluid level again. Refer to AT-9.
SAT638A
OK or NG
OK
©
GO TO 4.
NG
©
Refill ATF.
GI
MA
EM
LC
EC
FE
CL
MT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSES FOR SYMPTOMS
7. In “N” Position, Vehicle Moves
AT-155
4
CHECK A/T FLUID CONDITION
1. Remove oil pan.
2. Check A/T fluid condition.
SAT171B
OK or NG
OK
©
GO TO 5.
NG
©
1. Disassemble A/T.
2. Check the following items:
I
Forward clutch assembly
I
Overrun clutch assembly
I
Reverse clutch assembly
5
CHECK SYMPTOM
Check again.
OK or NG
OK
©
INSPECTION END
NG
©
1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.
TROUBLE DIAGNOSES FOR SYMPTOMS
7. In “N” Position, Vehicle Moves (Cont’d)
AT-156
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