Trouble Diagnosis 3
Off-vehicle repair
Condition
Unable to run in all range Faulty oil pump
→
Excessive "N"
"D" shift
shock
→
Excessive "N"
"D" shift
shock
→
Poor 1
2 shift,
excessive shock or
slippage
→
Poor 2
3 shift,
excessive shock or
slippage
↔
Poor 3
O/D shift,
excessive shock or
slippage
→
Poor 3
2 shift,
excessive shock or
slippage
→
Poor 2
1 shift,
excessive shock or
slippage
Non operate TCC (lock-
up) system
→
Excessive "N"
"D" time
lag
→
Excessive "N"
"R" time
lag
Poor engine brake in
downshift to "2" range
Poor engine brake in
downshift to "L" range
Possible cause
Seized or broken planetary gear
Faulty one-way clutch No.2
Damaged drive plate
Faulty forward clutch
Faulty reverse clutch
Faulty 1st and reverse brake
Faulty torque converter
Faulty forward clutch
Faulty reverse clutch
Faulty 1st and reverse brake
Faulty 2nd brake
Faulty one-way clutch No.1
Faulty direct clutch
Faulty forward clutch
Faulty O/D and 2nd coast brake
Faulty direct clutch
Faulty one-way clutch No.1
Faulty 2nd brake
Faulty one-way clutch No.2
Faulty torque converter
Faulty oil pump
Faulty forward clutch
Faulty one-way clutch No.2
Leakage from "D" range fluid pressure
circuit
Faulty oil pump
Faulty reverse clutch
Faulty 1st and reverse brake
Leakage from "R" range fluid pressure
circuit
Faulty O/D and 2nd coast brake
Faulty 1st and reverse brake
Automatic Transmission/Transaxle:
Correction / Reference Item
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Overhaul or replace valve body assembly.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Overhaul or replace valve body assembly.
Inspect. If NG, replace.
Inspect. If NG, replace.
5A-43