Suzuki Wagon R Manual page 1167

DTC CONFIRMATION PROCEDURE
WARNING:
D When performing a road test, select a place where there is no traffic or possibility of a traffic accident
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 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 40 – 47 mph, 65 – 75 km/h for 15 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 28 – 34 mph, 45 – 55 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".
Test Result Confirmation Flow Table
STEP
1 Check DTC in "DTC" mode and pending DTC in
"ON BOARD TEST" or "PENDING DTC" mode.
Is DTC or pending DTC displayed?
2 Set scan tool to "READINESS TESTS" mode and
check if testing has been completed.
Is test completed?
40 – 47 mph
(65 – 75 km / h)
28 – 34 mph
(45 – 55 km / h)
1)
ACTION
GENERAL INFORMATION AND ENGINE DIAGNOSIS 6-1-75
2) 3) 4)
YES
Proceed to applicable
DTC Diag. Flow Table.
No DTC is detected
(confirmation test is
completed).
NO
Go to Step 2.
Repeat DTC
confirmation
procedure.