Road Test - Suzuki Swift Sport 2004 Service & Repair Manual

Step
9 Proceed to "Trouble Diagnosis 2" in "A/T Symptom
Diagnosis".
Is trouble identified?

Road Test

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 lever "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
Unable to run in all range Faulty valve body component
No gear shift as 3rd gear Malfunction of shift solenoid valve-A
→
1 2 upshift fails to
occur
→
3 upshift fails to
2
occur
Action
Possible cause
Faulty oil pump
Seized or broken planetary gear
Faulty one-way No.2 clutch
Faulty forward clutch
Faulty reverse clutch
Faulty 1st and reverse brake
Damaged drive plate
Faulty torque converter
and/or -B
Malfunction of timing solenoid valve
Malfunction of pressure control solenoid
valve
Malfunction of shift solenoid valve-B
Malfunction of output shaft speed
sensor
Malfunction of throttle position sensor
Malfunction of transmission range
sensor
Faulty valve body component
Faulty 2nd brake
Faulty one-way No.1 clutch
Malfunction of shift solenoid valve-A
Malfunction of output shaft speed
sensor
Malfunction of throttle position sensor
Malfunction of transmission range
sensor
Faulty valve body component
Faulty direct clutch
Automatic Transmission/Transaxle:
Yes
Repair or replace faulty
parts.
Correction / Reference Item
Replace valve body assembly.
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 valve body assembly.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Replace valve body assembly.
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 valve body assembly.
Inspect. If NG, replace.
5A-27
No
Proceed to "Trouble
Diagnosis 3" in "A/T
Symptom Diagnosis".
S7RS0B5104011