Suzuki WagonR+ RB310 Service Manual page 1007

7B1-42 AUTOMATIC TRANSAXLE (M13 ENGINE MODEL)
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
"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.
WARNING:
Before test, make sure no one is around vehicle or down on a slope and keep watchful for safety dur-
ing 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)
Faulty valve body component
Malfunction of pressure control solenoid valve
(Low line pressure)
Faulty valve body component
Clogged oil strainer
Faulty oil pump
Leakage from both "D" and "R" range fluid pres-
sure circuit
Leakage from "D" range fluid pressure circuit
Leakage from "R" range fluid pressure circuit
Defective parking lock pawl or spring
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.
Possible Cause
Correction
Correction
Inspect. If NG, repair.