Engine Brake Test - Suzuki Grand Vitara 2011 Manual

5A-35 Automatic Transmission/Transaxle:
Troubleshooting
Condition
Higher than standard
level in each range
Lower than standard level
in each range
Lower than standard level
in "D" range
Lower than standard level
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 4th gear of "D" range, shift select lever down to "3" 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
Possible cause
Malfunction of pressure control solenoid
valve (High line pressure)
Malfunction of primary regulator valve
(High 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
Defective O/D clutch
Leakage from both "D" and "R" range
fluid pressure circuit
Fluid leakage from direct clutch
Defective O/D clutch
Leakage from "D" range fluid pressure
circuit
Fluid leakage from direct clutch
Defective O/D clutch
Fluid leakage from reverse brake
Leakage from "R" range fluid pressure
circuit
Possible cause
Faulty second coast brake
Faulty reverse brake
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.
Inspect. If NG, replace.
Inspect. If NG, replace valve body assembly.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace valve body assembly.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace valve body assembly.
Correction / Reference Item
Inspect. If NG, replace.
Inspect. If NG, replace.
S6JB0A5104017