Suzuki Liana RH418, Supplementary Service Manual

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Automatic Transmission/Transaxle: 5A-27
Troubleshooting
Engine Brake Test
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WARNING
!
Before test, make sure that there is no vehicle behind so as to prevent rear-end collision.
1) While driving vehicle in 3rd gear of “D” range, shift select lever down to “2” range and check if engine brake
operates.
2) In the same way as in Step 1), check engine brake for operation when select lever is shifted down to “L” range.
3) Engine brake should operate in the test.
Troubleshooting
“P” Range Test
S3RH0B5104017
1) Stop vehicle on a slope of 5 degrees or more, shift select lever to “P” range and at the same time apply parking
brake.
2) After stopping engine, depress brake pedal and release parking brake.
3) Then, release brake pedal gradually and check that vehicle remains stationary.
4) Depress brake pedal and shift select lever to “N” range.
5) Then, release brake pedal gradually and check that vehicle moves.
WARNING
!
Before test, make sure no one is around vehicle or down on a slope and keep watchful for safety
during test.
Troubleshooting
Condition Possible cause Correction / Reference Item
Higher than standard
level in each range Malfunction of pressure control solenoid
valve (Low line pressure) Inspect. If NG, replace valve body assembly.
Malfunction of primary regulator valve
(Low line pressure) Replace valve body assembly.
Lower than standard level
in each range Malfunction of pressure control solenoid
valve (Low line pressure) Inspect. If NG, replace valve body assembly.
Malfunction of primary regulator valve
(Low line pressure) Replace valve body assembly.
Clogged oil strainer Replace.
Faulty oil pump Inspect. If NG, replace.
Leakage from both “D” and “R” range
fluid pressure circuit Overhaul or replace valve body assembly.
Lower than standard level
only in “D” range Leakage from “D” range fluid pressure
circuit Overhaul or replace valve body assembly.
Lower than standard level
only in “R” range Leakage from “R” range fluid pressure
circuit Overhaul or replace valve body assembly.
Condition Possible cause Correction / Reference Item
Failure to operate when
shifted down to “2” range Faulty 2nd / 4th brake Inspect. If NG, replace.
Failure to operate when
shifted down to “L” range Faulty 1st / reverse brake Inspect. If NG, replace.
Condition Possible cause Correction / Reference Item
Vehicle moves at “P”
range or remains
stationary at “N” range Defective parking lock pawl or spring Inspect. If NG, repair.