AUTOMATIC TRANSAXLE (M13 ENGINE) 7B1-33
Trouble diagnosis table-3
Off-vehicle Repair
Condition Possible Cause Correction
Unable to run in all range
Faulty oil pump
Inspect. If NG, replace.
Seized or broken planetary gear
Faulty one-way No.2 clutch
Damaged drive plate
Faulty forward clutch
Faulty reverse clutch
Faulty 1st and reverse brake
Faulty torque converter Replace
Excessive “N”
→
“D” shift shock Faulty forward clutch Inspect. If NG, replace.
Excessive “N”
→
“R” shift shock
Faulty reverse clutch
Inspect. If NG, replace.
Faulty 1st and reverse brake
Poor 1
→
2 shift, excessive shock or
slippage
Faulty 2nd brake
Inspect. If NG, replace.
Faulty one-way No.1 clutch
Poor 2
→
3 shift, excessive shock or
slippage
Faulty direct clutch Inspect. If NG, replace.
Poor 3
↔
O/D shift, excessive shock or
slippage
Faulty forward clutch
Inspect. If NG, replace.
Faulty O/D and 2nd coast brake
Poor 3
→
2 shift, excessive shock or
slippage
Faulty direct clutch
Inspect. If NG, replace.
Faulty one-way No.1 clutch
Poor 2
→
1 shift, excessive shock or
slippage
Faulty 2nd brake
Inspect. If NG, replace.
Faulty one-way No.2 clutch
Non operate TCC (lock-up) system Faulty torque converter Replace.
Excessive “N”
→
“D” time lag
Faulty oil pump
Inspect. If NG, replace.Faulty forward clutch
Faulty one-way No.2 clutch
Leakage from “D” range fluid pressure
circuit
Overhaul or replace valve
body assembly.
Excessive “N”
→
“R” time lag
Faulty oil pump
Inspect. If NG, replace.Faulty reverse clutch
Faulty 1st and reverse brake
Leakage from “R” range fluid pressure
circuit
Overhaul or replace valve
body assembly.
Poor engine brake in downshift to “2”
range
Faulty O/D and 2nd coast brake Inspect. If NG, replace.
Poor engine brake in downshift to “L”
range
Faulty 1st and reverse brake. Inspect. If NG, replace.
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