Engine Brake Test; P" Range Test - Suzuki GRAND VITARA XL-7 Owner's Manual

7B1-42 AUTOMATIC TRANSMISSION (4 A/T)
NOTE:
• When repeating this test, be sure to wait at least minute after select lever is shifted back to "N"
range.
• Engine should be warmed up fully for this test.
TROUBLESHOOTING
When "N" → "D" time lag exceeds specification
When "N" → "R" time lag exceeds specification

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) If engine brake fails to operate in above tests, possible causes for such failure are as follows. Check each
part which is suspected to be the cause.
TROUBLESHOOTING
Fails to operate when shifted down to "2" range
Fails to operate when shifted down to "L" range

"P" Range Test

1) Stop vehicle on a slope, shift select lever to "P" range and at the same time apply parking brake.
2) After stopping engine, depress brake pedal and release paring 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, check to make sure no one is around vehicle or down on a slope and keep watchful for
safety during test.
Condition
Condition
Possible cause
• Low line pressure
• Worn forward clutch
• Low line pressure
• Worn direct clutch
• Worn reverse brake
Possible cause
Second coast brake defective
Reverse brake defective