Nissan Silvia. Instruction — part 20
Items
Symptom
Condition
Diagnostic Item
Reference Page
Slips/Will Not
Engage
Almost no shock
or slipping in
change from D
2
to
D
3
.
ON vehicle
1. Fluid level
2. Throttle position sensor (Adjustment)
EC-50, “Basic Inspec-
tion”.
3. Line pressure test
4. Control valve assembly
OFF vehicle
5. High clutch
6. Forward clutch
Almost no shock
or slipping in
change from D
3
to
D
4
.
ON vehicle
1. Fluid level
2. Throttle position sensor (Adjustment)
EC-50, “Basic Inspec-
tion”.
3. Line pressure test
4. Control valve assembly
OFF vehicle
5. High clutch
6. Brake band
Races extremely
fast or slips in
changing from D
4
to D
3
when
depressing pedal.
ON vehicle
1. Fluid level
2. Throttle position sensor (Adjustment)
EC-50, “Basic Inspec-
tion”.
3. Line pressure test
4. Line pressure solenoid valve
5. Control valve assembly
OFF vehicle
6. High clutch
7. Forward clutch
Races extremely
fast or slips in
changing from D
4
to D
2
when
depressing pedal.
ON vehicle
1. Fluid level
2. Throttle position sensor (Adjustment)
EC-50, “Basic Inspec-
tion”.
3. Line pressure test
4. Line pressure solenoid valve
5. Shift solenoid valve A
6. Control valve assembly
OFF vehicle
7. Brake band
8. Forward clutch
GI
MA
EM
LC
EC
FE
CL
MT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Symptom Chart (Cont’d)
AT-77
Items
Symptom
Condition
Diagnostic Item
Reference Page
Slips/Will Not
Engage
Races extremely
fast or slips in
changing from D
3
to D
2
when
depressing pedal.
ON vehicle
1. Fluid level
2. Throttle position sensor (Adjustment)
EC-50, “Basic Inspec-
tion”.
3. Line pressure test
4. Line pressure solenoid valve
5. Control valve assembly
6. A/T fluid temperature sensor
OFF vehicle
7. Brake band
8. Forward clutch
9. High clutch
Races extremely
fast or slips in
changing from D
4
or D
3
to D
1
when
depressing pedal.
ON vehicle
1. Fluid level
2. Throttle position sensor (Adjustment)
EC-50, “Basic Inspec-
tion”.
3. Line pressure test
4. Line pressure solenoid valve
5. Control valve assembly
OFF vehicle
6. Forward clutch
7. Forward one-way clutch
8. Low one-way clutch
Vehicle will not
run in any posi-
tion.
ON vehicle
1. Fluid level
2. Instruction control linkage adjustment
3. Line pressure test
4. Line pressure solenoid valve
OFF vehicle
5. Oil pump
6. High clutch
7. Brake band
8. Low & reverse brake
9. Torque converter
10. Parking pawl components
NOT USED
Engine cannot be
started in P and N
positions.
AT-153
ON vehicle
1. Ignition switch and starter
EL-7, “Schematic”,
and SC-12, “System
Description”.
2. Instruction control linkage adjustment
3. Park/neutral position (PNP) switch
adjustment
Engine starts in
positions other
than P and N.
AT-153
ON vehicle
1. Instruction control linkage adjustment
2. Park/neutral position (PNP) switch
adjustment
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Symptom Chart (Cont’d)
AT-78
Items
Symptom
Condition
Diagnostic Item
Reference Page
NOT USED
Transmission
noise in P and N
positions.
ON vehicle
1. Fluid level
2. Line pressure test
3. Throttle position sensor (Adjustment)
EC-50, “Basic Inspec-
tion”.
4. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTR
5. Engine speed signal
OFF vehicle
6. Oil pump
7. Torque converter
Vehicle moves
when changing
into P position or
parking gear does
not disengage
when shifted out
of P position.
AT-154
ON vehicle
1. Instruction control linkage adjustment
OFF vehicle
2. Parking pawl components
Vehicle runs in N
position.
AT-155
ON vehicle
1. Instruction control linkage adjustment
OFF vehicle
2. Forward clutch
3. Reverse clutch
4. Overrun clutch
Vehicle braked
when shifting into
R position.
ON vehicle
1. Fluid level
2. Instruction control linkage adjustment
3. Line pressure test
4. Line pressure solenoid valve
5. Control valve assembly
OFF vehicle
6. High clutch
7. Brake band
8. Forward clutch
9. Overrun clutch
Excessive creep.
ON vehicle
1. Engine idling rpm
EC-50, “Basic Inspec-
tion”.
Engine stops
when shifting
lever into R, D, 2
and 1.
ON vehicle
1. Engine idling rpm
EC-50, “Basic Inspec-
tion”.
2. Torque converter clutch solenoid valve
3. Control valve assembly
OFF vehicle
4. Torque converter
Vehicle braked by
gear change from
D
1
to D
2
.
ON vehicle
1. Fluid level
OFF vehicle
2. Reverse clutch
3. Low & reverse brake
4. High clutch
5. Low one-way clutch
GI
MA
EM
LC
EC
FE
CL
MT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Symptom Chart (Cont’d)
AT-79
Items
Symptom
Condition
Diagnostic Item
Reference Page
NOT USED
Vehicle braked by
gear change from
D
2
to D
3
.
ON vehicle
1. Fluid level
OFF vehicle
2. Brake band
Vehicle braked by
gear change from
D
3
to D
4
.
ON vehicle
1. Fluid level
OFF vehicle
2. Overrun clutch
3. Forward one-way clutch
4. Reverse clutch
Maximum speed
not attained.
Acceleration poor.
ON vehicle
1. Fluid level
2. Park/neutral position (PNP) switch
adjustment
3. Shift solenoid valve A
4. Shift solenoid valve B
5. Control valve assembly
OFF vehicle
6. Reverse clutch
7. High clutch
8. Brake band
9. Low & reverse brake
10. Oil pump
11. Torque converter
Transmission
noise in D, 2, 1
and R positions.
ON vehicle
1. Fluid level
ON vehicle
2. Torque converter
Engine brake
does not operate
in “1” position.
AT-184
ON vehicle
1. Park/neutral position (PNP) switch
adjustment
2. Instruction control linkage adjustment
3. Throttle position sensor (Adjustment)
EC-50, “Basic Inspec-
tion”.
4. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTR
5. Shift solenoid valve A
6. Control valve assembly
7. Overrun clutch solenoid valve
OFF vehicle
8. Overrun clutch
9. Low & reverse brake
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Symptom Chart (Cont’d)
AT-80
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