Infiniti I30 (A33). Manual - part 23

2. Line pressure test

3. Line pressure solenoid valve

4. Control valve assembly

5. Accumulator N-D

OFF vehicle

6. Reverse clutch

7. High clutch

8. Forward clutch

9. Forward one-way clutch

AT-342

10. Low one-way clutch

AT-286

Clutches or
brakes slip some-
what in starting.

ON vehicle

1. Fluid level

2. Control cable adjustment

3. Throttle position sensor (Adjustment)

4. Line pressure test

5. Line pressure solenoid valve

6. Control valve assembly

7. Accumulator N-D

OFF vehicle

8. Forward clutch

9. Reverse clutch

10. Low & reverse brake

AT-339

11. Oil pump

12. Torque converter

No creep at all.
AT-229, 233

ON vehicle

1. Fluid level

2. Line pressure test

3. Control valve assembly

OFF vehicle

4. Forward clutch

5. Oil pump

6. Torque converter

Almost no shock
or clutches slip-
ping in change
from D

to D

ON vehicle

1. Fluid level

2. Throttle position sensor (Adjustment)

3. Line pressure test

4. Accumulator servo release

5. Control valve assembly

OFF vehicle

6. Brake band

IDX

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

Symptom Chart (Cont’d)

AT-89

Items

Symptom

Condition

Diagnostic Item

Reference Page

Slips/Will Not
Engage

Almost no shock
or slipping in
change from D

ON vehicle

1. Fluid level

2. Throttle position sensor (Adjustment)

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)

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)

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)

3. Line pressure test

4. Line pressure solenoid valve

5. Shift solenoid valve A

AT-172

6. Control valve assembly

OFF vehicle

7. Brake band

8. 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)

3. Line pressure test

4. Line pressure solenoid valve

5. Control valve assembly

6. A/T fluid temperature sensor

AT-108

OFF vehicle

7. Brake band

8. Forward clutch

9. High clutch

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

Symptom Chart (Cont’d)

AT-90

Items

Symptom

Condition

Diagnostic Item

Reference Page

Slips/Will Not
Engage

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)

3. Line pressure test

4. Line pressure solenoid valve

5. Control valve assembly

OFF vehicle

6. Forward clutch

7. Forward one-way clutch

AT-342

8. Low one-way clutch

AT-286

Vehicle will not
run in any posi-
tion.

ON vehicle

1. Fluid level

2. Control cable 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

AT-339

9. Torque converter

10. Parking components

AT-362

NOT USED

Engine cannot be
started in P and N
positions.
AT-222

ON vehicle

1. Ignition switch and starter

EL-11, and SC-10

2. Control cable adjustment

3. Park/neutral position (PNP) switch
adjustment

AT-281

Engine starts in
positions other
than P and N.
AT-222

ON vehicle

1. Control cable adjustment

2. Park/neutral position (PNP) switch
adjustment

AT-281

Transaxle noise in
P and N positions.

ON vehicle

1. Fluid level

2. Line pressure test

3. Throttle position sensor (Adjustment)

4. Vehicle speed sensor·A/T (Revolution
sensor) and vehicle speed sensor·MTR

AT-114, 203

5. Engine speed signal

AT-119

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-223

ON vehicle

1. Control cable adjustment

OFF vehicle

2. Parking components

AT-362

IDX

TROUBLE DIAGNOSIS — GENERAL DESCRIPTION

Symptom Chart (Cont’d)

AT-91

Items

Symptom

Condition

Diagnostic Item

Reference Page

NOT USED

Vehicle runs in N
position.
AT-224

ON vehicle

1. Control cable 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. Control cable 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

AT-68

Engine stops
when shifting
lever into R, D, 2
and 1.

ON vehicle

1. Engine idling rpm

AT-68

2. Torque converter clutch solenoid valve

AT-151

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

AT-339

4. High clutch

5. Low one-way clutch

AT-286

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-342

4. Reverse clutch