Engine Brake Test; "P" Range Test - Suzuki Liana RH418 Supplementary Service Manual

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Troubleshooting
Condition
Higher than standard
level in each range
Lower than standard level
in each range
Lower than standard level
only in "D" range
Lower than standard level
only in "R" range

Engine Brake Test

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
Condition
Failure to operate when
shifted down to "2" range
Failure to operate when
shifted down to "L" range

"P" Range Test

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
Vehicle moves at "P"
range or remains
stationary at "N" range
Possible cause
Malfunction of pressure control solenoid
valve (Low line pressure)
Malfunction of primary regulator valve
(Low line pressure)
Malfunction of pressure control solenoid
valve (Low line pressure)
Malfunction of primary regulator valve
(Low line pressure)
Clogged oil strainer
Faulty oil pump
Leakage from both "D" and "R" range
fluid pressure circuit
Leakage from "D" range fluid pressure
circuit
Leakage from "R" range fluid pressure
circuit
Possible cause
Faulty 2nd / 4th brake
Faulty 1st / reverse brake
Possible cause
Defective parking lock pawl or spring
Automatic Transmission/Transaxle:
Correction / Reference Item
Inspect. If NG, replace valve body assembly.
Replace valve body assembly.
Inspect. If NG, replace valve body assembly.
Replace valve body assembly.
Replace.
Inspect. If NG, replace.
Overhaul or replace valve body assembly.
Overhaul or replace valve body assembly.
Overhaul or replace valve body assembly.
Correction / Reference Item
Inspect. If NG, replace.
Inspect. If NG, replace.
Correction / Reference Item
Inspect. If NG, repair.
5A-27
S3RH0B5104016
S3RH0B5104017

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