Suzuki Wagon R Plus RB310, Service Manual

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7B1-38 AUTOMATIC TRANSAXLE (M13 ENGINE)
Engine Brake Test
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 above test.
Troubleshooting
WARNING:
Before test, make sure that there is no vehicle behind so as to prevent rear-end collision.
Condition Possible Cause Correction
Failure to operate
when shifted down to
“2” range Faulty valve body component Replace valve body assembly.
Faulty O/D and 2nd coast brake Inspect. If NG, replace.
Failure to operate
when shifted down to
“L” range Faulty valve body component Replace valve body assembly.
Faulty 1st and reverse brake Inspect. If NG, replace.