Nissan Silvia. Manual - part 20

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

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

to D

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

to D

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

AT-106

6. Control valve assembly

OFF vehicle

7. Brake band

8. Forward clutch

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

to D

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

AT-125

OFF vehicle

7. Brake band

8. Forward clutch

9. High clutch

Races extremely
fast or slips in
changing from D

or D

to D

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

AT-259

8. Low one-way clutch

AT-257

Vehicle will not
run in any posi-
tion.

ON vehicle

1. Fluid level

2. Manual control linkage adjustment

3. Line pressure test

4. Line pressure solenoid valve

OFF vehicle

5. Oil pump

AT-226

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. Manual control linkage adjustment

3. Park/neutral position (PNP) switch
adjustment

Engine starts in
positions other
than P and N.
AT-153

ON vehicle

1. Manual 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

AT-89, 95

5. Engine speed signal

AT-132

OFF vehicle

6. Oil pump

AT-226

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. Manual control linkage adjustment

OFF vehicle

2. Parking pawl components

Vehicle runs in N
position.
AT-155

ON vehicle

1. Manual 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. Manual 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

AT-120

3. Control valve assembly

OFF vehicle

4. Torque converter

Vehicle braked by
gear change from
D

to D

ON vehicle

1. Fluid level

OFF vehicle

2. Reverse clutch

3. Low & reverse brake

4. High clutch

5. Low one-way clutch

AT-257

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

to D

ON vehicle

1. Fluid level

OFF vehicle

2. Brake band

Vehicle braked by
gear change from
D

to D

ON vehicle

1. Fluid level

OFF vehicle

2. Overrun clutch

3. Forward one-way clutch

AT-259

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

AT-106

4. Shift solenoid valve B

AT-111

5. Control valve assembly

OFF vehicle

6. Reverse clutch

7. High clutch

8. Brake band

9. Low & reverse brake

10. Oil pump

AT-226

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. Manual 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

AT-89, 95

5. Shift solenoid valve A

AT-106

6. Control valve assembly

7. Overrun clutch solenoid valve

AT-116

OFF vehicle

8. Overrun clutch

9. Low & reverse brake