Engine Brake Test; Stall Test - Suzuki Swift Sport 2004 Service & Repair Manual

5A-30 Automatic Transmission/Transaxle:
Troubleshooting
Condition
Operated gear is not
correct

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

Stall Test

This test is to check overall performance of automatic transaxle and engine by measuring stall speed at "D" and "R"
ranges. Be sure to perform this test only when transaxle fluid is at normal operating temperature and its level is
between FULL and LOW marks.
CAUTION
!
• Do not run engine at stall more than 5 seconds continuously, or fluid temperature may rise
excessively high.
• After performing stall test, be sure to leave engine running at idle for longer than 1 minute before
another stall test.
1) Apply parking brake and block wheels.
2) Install tachometer.
3) Start engine with select lever shifted to "P" range.
4) Depress brake pedal fully.
5) Shift select lever to "D" range and depress accelerator pedal fully while watching tachometer. Read engine rpm
quickly when it has become constant (stall speed).
6) Release accelerator pedal immediately after stall speed is checked.
7) In the same way, check stall speed in "R" range.
8) Stall speed should be within the following specification.
Engine stall speed
Standard: 2100 – 2400 rpm
Possible cause
Faulty valve body component
Faulty clutch or brake
Possible cause
Faulty valve body component
Faulty O/D and 2nd coast brake
Faulty valve body component
Faulty 1st and reverse brake
Correction / Reference Item
Replace valve body assembly.
Inspect clutch and brake. If any parts are faulty,
replace them.
Correction / Reference Item
Replace valve body assembly.
Inspect. If NG, replace.
Replace valve body assembly.
Inspect. If NG, replace.
S7RS0B5104013
S7RS0B5104014