Suzuki 2006 SX4, Service Manual

Page: 618 / 1478

5A-30 Automatic Transmission/Transaxle:
Time Lag Test
S6RW0C5104013
This test is to check conditions of clutch, reverse brake
and fluid pressure. “Time lag” means time elapsed since
select lever is shifted with engine idling till shock is felt.
1) With chocks placed before and behind front and rear
wheels respectively, depress brake pedal.
2) Start engine.
3) With stop watch ready, shift select lever from “N” to
“D” range and measure time from that moment till
shock is felt.
4) Similarly measure time lag by shifting select lever
from “N” to “R” range.
Gear shifting time lag
“N”
→
“D”: Less than 0.7 sec.
“N”
→
“R”: Less than 1.2 sec.
NOTE
• When repeating this test, be sure to wait at
least one minute after select lever is
shifted back to “N” range.
• Engine should be warmed up fully for this
test.
• Repeat test 3 times and take average of
those data for final time lag data.
Troubleshooting
Line Pressure Test
S6RW0C5104014
Purpose of this test is to check operating conditions of each part by measuring fluid pressure in fluid pressure line.
Line pressure test requires following conditions.
• Automatic fluid is at normal operating temperature (70 – 80
°
C / 158 – 176
°
F).
• Fluid is filled to proper level (between FULL and LOW on dipstick).
• Air conditioner switch is turned OFF.
Condition Possible cause Correction / Reference Item
N
→
“D” time lag exceeds
specification
Malfunction of pressure control solenoid
valve (Low line pressure) Inspect. If NG, replace valve body assembly.
Malfunction of primary regulator valve
(Low line pressure) Replace valve body assembly.
Clogged oil strainer Replace.
Faulty oil pump Inspect. If NG, replace.
Slippery forward clutch Inspect. If NG, replace.
Faulty one-way No. 2 clutch Inspect. If NG, replace.
Leakage from “D” range fluid pressure
circuit Overhaul or replace valve body assembly.
N
→
“R” time lag exceeds
specification
Malfunction of pressure control solenoid
valve (Low line pressure) Inspect. If NG, replace valve body assembly.
Malfunction of primary regulator valve
(Low line pressure) Replace valve body assembly.
Clogged oil strainer Replace.
Faulty oil pump Inspect. If NG, replace.
Slippery direct clutch Inspect. If NG, replace.
Slippery 1st / reverse brake Inspect. If NG, replace.
Slippery U/D brake Inspect. If NG, replace.
Leakage from “R” range fluid pressure
circuit Overhaul or replace valve body assembly.