Road Test - Suzuki Grand Vitara 2011 Manual

Step
9 1) 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 "D".
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 oil pump
Unable to run in reverse
position
→
1 2 upshift fails to
occur
→
2 3 upshift fails to
occur
→
3 4 upshift fails to
occur
Incorrect gear shift point Malfunction of throttle position sensor
TCC (lock-up) function
does not operate
Action
Possible cause
Seized or broken planetary gear
Faulty torque converter
Damaged drive plate
Faulty valve body component
Faulty direct clutch
Faulty reverse brake
Malfunction of transmission range
sensor
Maladjust shift control cable
Faulty valve body component
Faulty second brake
Faulty one-way No.1 clutch
Malfunction of transmission range
sensor
Faulty valve body component
Faulty direct clutch
Malfunction of transmission range
sensor
Faulty valve body component
Faulty O/D brake
Malfunction of input shaft speed sensor Inspect. If NG, replace.
Malfunction of output shaft speed
sensor
Malfunction of power mode switch
Malfunction of transmission fluid
temperature sensor
Malfunction of engine coolant
temperature (ECT) sensor
Malfunction of brake light switch
Malfunction of throttle position sensor
Faulty valve body component
Faulty torque converter
Automatic Transmission/Transaxle:
Yes
Repair or replace faulty
parts.
Correction / Reference Item
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.
Adjust.
Replace valve body component.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Replace valve body component.
Inspect. If NG, replace.
Inspect. If NG, replace.
Replace valve body component.
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 valve body component.
Replace torque converter.
5A-30
No
Proceed to "Trouble
Diagnosis 3" in "A/T
Symptom Diagnosis".
S6JB0A5104012