Symptom Table 2

Symptom

Diagnostic item

Oil pump

Torque converter

Low brake*

Front brake

High and low reverse clutch

Input clutch

Direct clutch

2346 brake

Reverse brake

1st one-way clutch

2nd one-way clutch

gear

control valve

Parking component

Refer to OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTON : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to HIGH AND LOW REVERSE CLUTCH : Exploded View Disassembly & Assembly) .

Refer to FRONT CARRIER, INPUT CLUTCH, REAR INTERNAL GEAR : Exploded View (Disassembly & Assembly) .

Refer to FRONT CARRIER, INPUT CLUTCH, REAR INTERNAL GEAR : Exploded View (Disassembly & Assembly) .

Refer to OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTON : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to MID SUN GEAR, REAR SUN GEAR, HIGH AND LOW REVERSE CLUTCH HUB : Exploded View .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to CONTROL VALVE WITH TCM : Exploded View .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Poor performance

Driving performance

Shift point is high in "D" position.

Shift point is low in "D" position.

Large shock

When shifting gears

->"D" position

1

2

2

->"R" position

1

1

2

1GR<=> 2GR

1

2

2GR<=> 3GR

1

2

3GR<=> 4GR

2

1

2

4GR<=> 5GR

1

1

2

5GR<=> 6GR

1

1

2

6GR<=> 7GR

1

1

2

Downshift when accelerator pedal is depressed

2

1

1

1

1

1

1

1

2

Upshift when accelerator pedal is released

2

1

1

1

1

1

1

1

2

Lock-up

1

2

Judder

Lock-up

1

2

Strange noise

In "R" position

1

1

1

1

2

In "N" position

1

1

1

2

In "D" position

1

1

1

1

2

Engine at idle

1

1

1

2

Symptom

Diagnostic item

Oil pump

Torque converter

Low brake*

Front brake

High and low reverse clutch

Input clutch

Direct clutch

2346 brake

Reverse brake

1st one-way clutch

2nd one-way clutch

gear

control valve

Parking component

Refer to OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTON : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to HIGH AND LOW REVERSE CLUTCH : Exploded View Disassembly & Assembly) .

Refer to FRONT CARRIER, INPUT CLUTCH, REAR INTERNAL GEAR : Exploded View (Disassembly & Assembly) .

Refer to FRONT CARRIER, INPUT CLUTCH, REAR INTERNAL GEAR : Exploded View (Disassembly & Assembly) .

Refer to OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTON : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to MID SUN GEAR, REAR SUN GEAR, HIGH AND LOW REVERSE CLUTCH HUB : Exploded View .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to CONTROL VALVE WITH TCM : Exploded View .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Function trouble

Gear does no change

"D" position

Locks in 1GR

1

1

1

2

Locks in 2GR

1

Locks in 3GR

1

Locks in 4GR

1

Locks in 5GR

1

Locks in 6GR

1

Locks in 7GR

1

1GR -> 2GR

1

1

1

2

2GR -> 3GR

1

2

3GR -> 4GR

2

1

1

1

2

4GR -> 5GR

1

1

2

5GR -> 6GR

1

2

6GR -> 7GR

2

1

1

1

2

5GR -> 4GR

1

2

4GR -> 3GR

2

1

2

3GR -> 2GR

1

1

2

2GR -> 1GR

1

1

1

2

Does not lock-up

1

2

1

1

1

1

1

1

1

2

"M" position

1GR<=> 2GR

2

1

1

1

1

1

1

1

2

2GR<=> 3GR

2

1

1

1

1

1

1

1

2

3GR<=> 4GR

2

1

1

1

1

1

1

1

2

4GR<=> 5GR

2

1

1

1

1

1

1

1

2

5GR<=> 6GR

2

1

1

1

1

1

1

1

2

6GR<=> 7GR

2

1

1

1

1

1

1

1

2

Symptom

Diagnostic item

Oil pump

Torque converter

Low brake*

Front brake

High and low reverse clutch

Input clutch

Direct clutch

2346 brake

Reverse brake

1st one-way clutch

2nd one-way clutch

gear

control valve

Parking component

Refer to OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTON : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to HIGH AND LOW REVERSE CLUTCH : Exploded View Disassembly & Assembly) .

Refer to FRONT CARRIER, INPUT CLUTCH, REAR INTERNAL GEAR : Exploded View (Disassembly & Assembly) .

Refer to FRONT CARRIER, INPUT CLUTCH, REAR INTERNAL GEAR : Exploded View (Disassembly & Assembly) .

Refer to OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTON : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to MID SUN GEAR, REAR SUN GEAR, HIGH AND LOW REVERSE CLUTCH HUB : Exploded View .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to CONTROL VALVE WITH TCM : Exploded View .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Function trouble

Poor shifting

Slip

When shifting gears

1GR<=> 2GR

1

1

1

2

2GR<=> 3GR

1

1

2

3GR<=> 4GR

1

2

1

2

4GR<=> 5GR

1

1

1

2

5GR<=> 6GR

1

1

1

2

6GR<=> 7GR

1

1

1

2

Engine brake does not work

"D" position ->"M" position

1

1

1

1

1

2

"M" position

7GR -> 6GR

1

1

1

2

6GR -> 5GR

1

1

1

2

5GR -> 4GR

1

1

1

2

4GR -> 3GR

1

2

1

2

3GR -> 2GR

1

1

1

1

1

2

2GR -> 1GR

1

1

1

1

2

Function trouble

Poor power transmission

Slip

With selector lever in "D" position, acceleration is extremely poor.

1

1

2

1

1

2

With selector lever in "R" position, acceleration is extremely poor.

1

1

1

1

1

1

2

While starting off by accelerating in 1GR, engine races.

1

1

2

1

1

1

2

While accelerating in 2GR, engine races.

1

2

1

1

1

2

While accelerating in 3GR, engine races.

1

2

1

1

1

2

While accelerating in 4GR, engine races.

1

1

1

1

1

2

While accelerating in 5GR, engine races.

1

1

1

1

1

2

While accelerating in 6GR, engine races.

1

1

1

1

1

2

While accelerating in 7GR, engine races.

1

1

1

1

2

Lock-up

1

1

1

2

No creep at all.

1

1

2

1

1

1

1

1

1

1

1

2

1

Extremely large creep.

1

Symptom

Diagnostic item

Oil pump

Torque converter

Low brake*

Front brake

High and low reverse clutch

Input clutch

Direct clutch

2346 brake

Reverse brake

gear

1st one-way clutch

2nd one-way clutch

control valve

Parking component

Refer to OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTON : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to HIGH AND LOW REVERSE CLUTCH : Exploded View Disassembly & Assembly) .

Refer to FRONT CARRIER, INPUT CLUTCH, REAR INTERNAL GEAR : Exploded View (Disassembly & Assembly) .

Refer to FRONT CARRIER, INPUT CLUTCH, REAR INTERNAL GEAR : Exploded View (Disassembly & Assembly) .

Refer to OIL PUMP, 2346 BRAKE, FRONT BRAKE PISTON : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to MID SUN GEAR, REAR SUN GEAR, HIGH AND LOW REVERSE CLUTCH HUB : Exploded View .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Refer to CONTROL VALVE WITH TCM : Exploded View .

Refer to AUTOMATIC TRANSMISSION ASSEMBLY : Exploded View Disassembly & Assembly) .

Function trouble

Power transmission cannot be performed

Vehicle cannot run in all position.

1

1

2

1

1

1

1

1

1

2

1

Driving is not possible in "D" position.

1

1

2

1

1

1

1

1

1

1

1

2

1

Driving is not possible in "R" position.

1

1

1

1

1

2

1

Engine stall

1

Engine stalls when selector lever shifted "N" => "D" or "R".

1

Engine does not start in "N" or "P" position.

1

Engine starts in position other than "N" or "P".

Poor operation

Vehicle does not enter parking condition.

1

Parking condition is not cancelled.

1

Vehicle runs with A/T in "P" position.

2

1

1

1

1

1

1

2

1

Vehicle moves forward with the "R" position.

2

1

1

1

1

1

2

Vehicle runs with A/T in "N" position.

2

1

1

1

1

1

1

2

Vehicle moves backward with the "D" position.

1

2