Nissan Terrano r20e. Instruction — part 25
5. Engine Cannot Be Started In “P” and “N”
Position
SYMPTOM:
I
Engine cannot be started with selector lever in “P” or “N”
position.
I
Engine can be started with selector lever in “D”, “2”, “1”
or “R” position.
Does “ECU INPUT SIGNALS” in
Data Monitor show damage to park/
neutral position switch circuit?
----------------------------------------------------------------------------------------------------------------------- OR -----------------------------------------------------------------------------------------------------------------------
Does self-diagnosis show damage to
park/neutral position switch circuit?
No
E
Yes
Check park/neutral position
switch. Refer to AT-88.
Check for short or open of park/neutral
position switch 2-pin connector. Refer to
AT-88.
OK
E
NG
Repair or replace park/
neutral position switch.
Check starting system. Refer to EL sec-
tion (“System Description”, “STARTING
SYSTEM”).
OK
E
NG
Repair or replace dam-
aged parts.
INSPECTION END
6. In “P” Position, Vehicle Moves Forward Or
Backward When Pushed
SYMPTOM:
Vehicle moves when it is pushed forward or backward with
selector lever in “P” position.
Check parking pawl components. Refer to
AT-175.
OK
E
NG
Repair or replace dam-
aged parts.
INSPECTION END
SAT146BA
NAT275
SAT133B
H
H
H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-97
7. In “N” Position, Vehicle Moves
SYMPTOM:
Vehicle moves forward or backward when selecting “N” posi-
tion.
Does “ECU INPUT SIGNALS” in
Data Monitor show damage to park/
neutral position switch circuit?
----------------------------------------------------------------------------------------------------------------------- OR -----------------------------------------------------------------------------------------------------------------------
Does self-diagnosis show damage to
park/neutral position switch circuit?
No
E
Yes
Check park/neutral position
switch. Refer to AT-92.
Check control linkage. Refer to AT-115.
OK
E
NG
Adjust control linkage.
Refer to AT-115.
Check A/T fluid level again.
OK
E
NG
Refill ATF.
1. Remove oil pan.
2. Check A/T fluid condition.
OK
E
NG
1. Disassemble A/T.
2. Check the following
items:
I
Forward clutch assembly
I
Overrun clutch assembly
I
Reverse clutch assembly
Check again.
OK
E
NG
1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin
terminals for damage or
loose connection with
harness connector.
INSPECTION END
SAT146BA
NAT276
SAT638A
SAT171B
H
H
H
H
H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-98
8. Large Shock. “N”
→
“R” Position
SYMPTOM:
There is large shock when changing from “N” to “R” position.
Does self-diagnosis show damage to line
pressure solenoid valve or throttle (accel-
erator) position sensor, A/T fluid tempera-
ture sensor circuit?
No
E
Yes
Check damaged circuit.
Refer to AT-60, AT-76 or
AT-84.
Check throttle (accelerator) position sen-
sor. Refer to EC section [TROUBLE
DIAGNOSIS FOR “THROTTLE (ACCEL)
POSI SEN” (DTC 43)].
OK
E
NG
Repair or replace throttle
(accelerator) position sen-
sor.
Check line pressure at idle with selector
lever in “D” position. Refer to “Line Pres-
sure Test”, AT-30.
OK
E
NG
1. Remove control valve
assembly. Refer to
AT-113.
2. Check the following
items:
I
Valves to control line
pressure (Pressure regu-
lator valve, pressure
modifier valve, pilot valve
and pilot filter)
I
Line pressure solenoid
valve
Check again.
OK
E
NG
1. Perform TCM input/
output signal inspection.
2. If NG, recheck TCM pin
terminals for damage or
loose connection with
harness connector.
INSPECTION END
SAT831HA
NAT262
SAT494G
H
H
H
H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-99
9. Vehicle Does Not Creep Backward In “R”
Position
SYMPTOM:
Vehicle does not creep backward when selecting “R” position.
Check A/T fluid level again.
OK
E
NG
Refill ATF.
q
A
NG in both “1”
and “R” positions
Check stall revolution with selector
lever in “1” and “R” positions.
OK
OK in “1” position
NG in “R” position
E
1. Remove control valve
assembly. Refer to AT-113.
2. Check the following items:
I
Valves to control line pres-
sure (Pressure regulator
valve, pressure modifier
valve, pilot valve and pilot
filter)
I
Line pressure solenoid valve
3. Disassemble A/T.
4. Check the following items:
I
Oil pump assembly
I
Torque converter
I
Reverse clutch assembly
I
High clutch assembly
I
Low & reverse brake assem-
bly
I
Low one-way clutch
1. Remove control valve
assembly. Refer to AT-113.
2. Check the following items:
I
Valves to control line pres-
sure (Pressure regulator
valve, pressure modifier
valve, pilot valve and pilot
filter)
I
Line pressure solenoid valve
3. Disassemble A/T.
4. Check the following items:
I
Oil pump assembly
I
Torque converter
I
Reverse clutch assembly
I
High clutch assembly
Check line pressure at idle with
selector lever in “R” position. Refer to
“Line Pressure Test”, AT-30.
OK
E
NG
1. Remove control valve
assembly. Refer to AT-113.
2. Check the following items:
I
Valves to control line pres-
sure (Pressure regulator
valve, pressure modifier
valve, pilot valve and pilot
filter)
I
Line pressure solenoid valve
3. Disassemble A/T.
4. Check the following item:
I
Oil pump assembly
1. Remove oil pan.
2. Check A/T fluid condition.
NG
OK
q
A
Check again.
OK
E
NG
1. Perform TCM input/output
signal inspection.
2. If NG, recheck TCM pin ter-
minals for damage or loose
connection with harness con-
nector.
INSPECTION END
SAT638A
SAT493G
SAT494G
SAT171B
H
H
H
H
H
H
H
H
DIAGNOSTIC PROCEDURES FOR SYMPTOMS
AT-100
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст