Suzuki GA413, Руководство по обслуживанию

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ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-79
GA413
supple
DTC CONFIRMATION PROCEDURE
WARNING:
D
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.
D
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, 158
_
F or lower
– Engine coolant temp.: 70 – 110
_
C, 158 – 230
_
F
2) Start engine and drive vehicle at 35 – 45 mph, 55 – 65 km / h for 8 min. or longer.
While this driving, if “Catalyst Monitoring TEST COMPLETED” is displayed in “READINESS TESTS” mode and
DTC is not displayed in “DTC” mode, confirmation test is completed.
If “TEST NOT COMPLTD” is still being displayed, continue test driving.
3) Decrease vehicle speed at 30 – 40 mph, 50 – 60 km / h, and hold throttle valve at that opening position for 2 min.
and confirm that short term fuel trim vary within – 20% – +20% range.
4) Stop vehicle (do not turn ignition switch OFF) and confirm test results according to following “Test Result Con-
firmation Flow Table”.
1) 2) 3) 4)
35 – 45 mph
(55 – 65 km / h)
30 – 40 mph
(50 – 60 km / h)
Test Result Confirmation Flow Table
STEP ACTION YES NO
1 Check DTC in “DTC” mode and pending DTC in
“ON BOARD TEST” or “PENDING DTC” mode.
Is DTC or pending DTC displayed? Proceed to applicable
DTC Diag. 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
iscompleted). Repeat DTC
confirmation
procedure.