A/T Basic Check; Road Test - Suzuki Liana RH413 Service Manual

A/C SWITCH
ON: Signal which inform that air conditioner compressor
is turned ON.
OFF: Signal which inform that air conditioner
compressor is not turned ON.

A/T Basic Check

This check is important for troubleshooting when TCM has detected no DTC and no abnormality has been noted in
visual inspection. Follow the flow carefully.
Step
1 Was "A/T System Check" preformed?
2 Perform "Road Test".
Is it OK?
3 Perform "Manual Road Test".
Is it OK?
4 Perform "Engine Brake Test".
Is it OK?
5 Perform "Stall Test".
Is it OK?
6 Perform "Time Lag Test".
Is it OK?
7 Perform "Line Pressure Test".
Is it OK?
8 Proceed to "Trouble Diagnosis 1" in "A/T Symptom
Diagnosis".
Is trouble identified?
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 selector 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
Diagram".
Action
Automatic Transmission/Transaxle:
ENGINE TORQUE (N⋅m)
Engine torque computed by duty pulse signal outputted
from ECM.
Yes
Go to Step 2.
Go to Step 3.
Go to Step 4.
Go to Step 5.
Go to Step 6.
Go to Step 7.
Go to Step 8.
Repair or replace faulty
parts.
Repair or replace faulty
parts.
5A-29
S3RH0A5104010
No
Go to "A/T System
Check".
Proceed to
"Troubleshooting" in
"Road Test".
Proceed to
"Troubleshooting" in
"Manual Road Test".
Proceed to
"Troubleshooting" in
"Engine Brake Test".
Proceed to
"Troubleshooting" in
"Stall Test".
Proceed to
"Troubleshooting" in
"Time Lag Test".
Proceed to
"Troubleshooting" in
"Line Pressure Test".
Go to Step 9.
Proceed to "Trouble
Diagnosis 3" in "A/T
Symptom Diagnosis".
S3RH0A5104011