Manual Road Test; Time Lag Test - Suzuki GRAND VITARA XL-7 Owner's Manual

Time Lag Test

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.
Specification for time lag :
"N" → → → → "D"
Less than 1.2 sec.
"N" → → → → "R"
Less than 1.5 sec.

Manual Road Test

This test check the gear being used in "L", "2" or "D" range when
driven with unoperated gear shift control system. Test drive vehi-
cle on a level road.
NOTE:
Before this test, check diagnostic trouble code (DTC).
1) Disconnect shift solenoid coupler (1) valves on transmission.
WARNING:
To avoid the danger of being burned, do not touch the hot
exhaust system when disconnecting shift solenoid cou-
pler (1).
2) With select lever in "P", start engine and warm it up.
3) With select lever in "L" range, start vehicle and accelerate to
20 km/h (12.5 mile/h). Check in this state that 1st gear is
being used.
4) At 20 km/h (12.5 mile/h), shift select lever to "2" range and
accelerate to 40 km/h (25 mile/h). Check in this state that 3rd
gear is being used.
5) At 40 km/h (25 mile/h), shift select lever to "D" range and
check that O/D gear is used when speed is higher than 40
km/h (25 mile/h).
6) After above checks, stop vehicle then engine, and connect
shift solenoids coupler (1) with ignition switch OFF.
WARNING:
To avoid the danger of being burned, do not touch the hot
exhaust system when connecting shift solenoid coupler
(1).
7) Clear DTC with scan tool.
AUTOMATIC TRANSMISSION (4 A/T) 7B1-41