Suzuki Wagon R Plus RB310, Service Manual

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7B1-42 AUTOMATIC TRANSAXLE (M13 ENGINE)
Troubleshooting
“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 park-
ing 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.
Troubleshooting
Condition Possible Cause Correction
Higher than standard
level in each range Malfunction of pressure control solenoid valve
(Low line pressure) Inspect. If NG, replace valve body
assembly.
Faulty valve body component 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.
Faulty valve body component Replace valve body assembly.
Clogged oil strainer Replace.
Faulty oil pump Inspect. If NG, replace.
Leakage from both “D” and “R” range fluid pres-
sure 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.
WARNING:
Before test, make sure no one is around vehicle or down on a slope and keep watchful for safety dur-
ing test.
Condition Possible Cause Correction
Vehicle moves at “P” range or
remains stationary at “N” range
Defective parking lock pawl or spring Inspect. If NG, repair.