Suzuki 2006 SX4, Service Manual

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Automatic Transmission/Transaxle: 5A-27
Road Test
S6RW0C5104010
This test is to check if upshift, downshift and lock-up take
place at specified speeds while actually driving vehicle
on a level road.
WARNING
!
• Carry out test in very little traffic area to
prevent an accident.
• Test requires 2 persons, a driver and a
tester.
1) Warm up engine.
2) With engine running at idle, shift select “D” range.
3) Accelerate vehicle speed by depressing accelerator
pedal gradually.
4) While driving in “D” range, check if gear shift and
lock-up occur properly as shown in “Automatic Gear
Shift Table”.
Troubleshooting
Condition Possible cause Correction / Reference Item
Unable to run in any
forward positions Faulty forward clutch Inspect. If NG, replace.
Unable to run in reverse
position Faulty direct clutch Inspect. If NG, replace.
Faulty 1st / reverse brake Inspect. If NG, replace.
Faulty U/D brake Inspect. If NG, replace.
Unable to run in all range Faulty valve body component Replace valve body assembly.
Faulty oil pump Inspect. If NG, replace.
Seized or broken planetary gear Inspect. If NG, replace.
Faulty torque converter Inspect. If NG, replace.
Damaged drive plate Inspect. If NG, replace.
1
→
2 upshift fails to
occur
Malfunction of throttle position sensor Inspect. If NG, replace.
Malfunction of transmission range
sensor Inspect. If NG, replace.
Faulty valve body component Replace valve body assembly.
Faulty 2nd coast brake Inspect. If NG, replace.
Faulty 2nd brake Inspect. If NG, replace.
Faulty one-way clutch No. 1 Inspect. If NG, replace.
2
→
3 upshift fails to
occur
Malfunction of throttle position sensor Inspect. If NG, replace.
Malfunction of transmission range
sensor Inspect. If NG, replace.
Faulty valve body component Replace valve body assembly.
Faulty U/D clutch Inspect. If NG, replace.
3
→
4 upshift fails to
occur
Malfunction of “3” position switch Inspect. If NG, replace.
Malfunction of engine coolant
temperature sensor Inspect. If NG, replace.
Malfunction of throttle position sensor Inspect. If NG, replace.
Malfunction of transmission range
sensor Inspect. If NG, replace.
Malfunction of transmission fluid
temperature sensor Inspect. If NG, replace.
Faulty valve body component Replace valve body assembly.
Faulty direct clutch Inspect. If NG, replace.
Gear shift point is
incorrect Abnormal engine condition Inspect and repair engine.
Malfunction of throttle position sensor Inspect. If NG, replace.
TCC (lock-up) function
does not operate Malfunction of brake light switch Inspect. If NG, replace.
Malfunction of engine coolant
temperature sensor Inspect. If NG, replace.
Malfunction of throttle position sensor Inspect. If NG, replace.
Malfunction of transmission range
sensor Inspect. If NG, replace.
Malfunction of transmission fluid
temperature sensor Inspect. If NG, replace.
Faulty valve body component Replace valve body assembly.
Faulty torque converter Replace torque converter.