Suzuki GA413, Service Manual

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6-76 ENGINE GENERAL INFORMATION AND DIAGNOSIS
GA413
supple
DTC CONFIRMATION PROCEDURE
WARNING:
When performing a road test, select a place where there is no traffic or possibility of a traffic acci-
dent and be very careful during testing to avoid occurrence of an accident.
Road test should be carried out with 2 persons, a driver and a tester, on a level road.
1) Turn ignition switch OFF.
Clear DTC with ignition switch ON, check vehicle and environmental condition for:
– Altitude (barometric pressure): 2400 m, 8000 ft or less (560 mmHg, 75 kPa or more)
– Ambient temp.: – 10
C, 14 F or higher
– Intake air temp.: 70 C, 122 F or lower
– Engine coolant temp.: 70 C, 158 F or higher
2) Start engine and warm it up to normal operating temperature (70 – 110 C, 158 – 230 F) and run it at idle for
5 min.
3) Increase vehicle speed to 50 – 55 mph, 80 – 88 km/h in 5th gear.
4) Hold throttle valve at that opening position for 2 min. or longer.
5) Increase engine speed to 4000 r/min. in 3rd gear.
6) Release accelerator pedal and with engine brake applied, keep vehicle coasting (fuel cut condition) till engine
speed reaches 1500 r / min.
7) Stop vehicle (don’t turn ignition switch OFF) and confirm test results according to following “Test Result Con-
firmation Flow Table.”
1) 2) 3)
4)
5) 6) 7)
Engine speed
4000 r/min
0
Vehicle speed
0
50 – 55 mph
80 – 88 km/h
(Keep throttle
valve opening
constantly)
Test Result Confirmation Flow Table
STEP ACTION YES NO
1 Check DTC in “DTC” mode and pending DTC in “ON
BOARD TEST”.
Is DTC or pending DTC displayed? Proceed to applicable
DTC flow table. Go to Step 2.
2 Set scan tool to “READINESS TESTS” mode and
check if testing has been completed.
Is test completed? No DTC is detected.
(Confirmation test is
completed) Repeat DTC confirma-
tion procedure.