Suzuki 2006 SX4, Service Manual

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5A-36 Automatic Transmission/Transaxle:
Trouble Diagnosis 3
Off-vehicle repair
Transmission Warning Light Circuit Check – Light Does Not Come “ON” at Ignition Switch ON (Non-
Euro-OBD Model)
S6RW0C5104043
Troubleshooting
Condition Possible cause Correction / Reference Item
Unable to run in any
forward positions Faulty forward clutch Inspection. If NG, replace.
Unable to run in reverse
position Faulty direct clutch Inspection. If NG, replace.
Faulty 1st / reverse brake Inspection. If NG, replace.
Faulty U/D brake Inspection. If NG, replace.
Unable to run in all range Faulty oil pump Inspection. If NG, replace.
Seized or broken planetary gear Inspection. If NG, replace.
Faulty torque converter Inspection. If NG, replace.
Damaged drive plate Inspection. If NG, replace.
Poor 1
→
2 shift,
excessive shock or
slippage
Faulty 2nd coast brake Inspection. If NG, replace.
Faulty 2nd brake Inspection. If NG, replace.
Faulty one-way clutch No. 1 Inspection. If NG, replace.
Poor 2
→
3 shift,
excessive shock or
slippage
Faulty U/D clutch Inspection. If NG, replace.
Poor 3
→
4 shift,
excessive shock or
slippage
Faulty direct clutch Inspection. If NG, replace.
Non operate TCC (lock-
up) system Faulty torque converter Replace torque converter.
Excessive “N”
→
“D” time
lag
Clogged oil strainer Replace.
Faulty oil pump Inspection. If NG, replace.
Slippery forward clutch Inspection. If NG, replace.
Faulty one-way No. 2 clutch Inspection. If NG, replace.
Leakage from “D” range fluid pressure
circuit Overhaul or replace valve body assembly.
Excessive “N”
→
“R” time
lag
Clogged oil strainer Replace.
Faulty oil pump Inspection. If NG, replace.
Slippery direct clutch Inspection. If NG, replace.
Slippery 1st / reverse brake Inspection. If NG, replace.
Slippery U/D brake Inspection. If NG, replace.
Leakage from “R” range fluid pressure
circuit Overhaul or replace valve body assembly.
Poor engine brake in
downshift to “L” range Faulty 1st / reverse brake Inspection. If NG, replace.
Step Action Yes No
1 Combination Meter Power Supply Check
1) Turn ignition switch ON.
Does other indicator / warning lights in combination meter
comes ON?
Go to Step 2. Repair combination
meter power supply
circuit referring to
“Combination Meter
Circuit Diagram in
Section 9C”.
2 1) TCM power and ground circuit check referring to “TCM
Power and Ground Circuit Check”.
Is it in good condition?
Go to Step 3. Repair or replace.
3 DTC check
1) Check DTC referring to “DTC Check”.
Is there DTC U0073 or U0100?
Go to applicable DTC
diag. flow. Go to Step 4.