Suzuki Baleno Manual page 1400

6-2-52 ENGINE GENERAL INFORMATION AND DIAGNOSIS (J18 ENGINE WITH WU TWC)
1) With ignition switch OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Start engine and warm up to normal operating temperature.
4) Drive vehicle at 40 mph (60 km/h) or higher. (engine speed: 2500 – 3000 r/min.)
5) Keep above vehicle speed for 6 min. or more. (Throttle valve opening is kept constant in this step.)
6) Release accelerator pedal and with engine brake applied, keep vehicle coasting (with fuel cut for 3 sec. or more)
and then stop vehicle.
7) Check DTC and pending DTC.
TROUBLESHOOTING (DTC P0130)
STEP
1 Was "ENGINE DIAG. FLOW TABLE" performed?
2 Is there DTC(s) other than HO2S-1 (DTC P0130)?
3 1) Connect scan tool to DLC with ignition switch
OFF.
2) Warm up engine to normal operating tempera-
ture and keep it at 2000 r / min. for 60 sec.
3) Repeat racing engine (Repeat depressing ac-
celerator pedal 5 to 6 times continuously and
take foot off from pedal to enrich and enlean
A/ F mixture). See Fig. 1 and 2.
Does HO2S-1 output voltage deflect between 0.4
V and over 0.6 V repeatedly?
Fig.1 for Step 3
ACTION
Fig.2 for Step 3
YES
Go to Step 2.
Go to applicable DTC
Diag. Flow Table.
Intermittent trouble.
Check for intermittent
referring to "Intermittent
and Poor Connection" in
Section 0A.
NO
Go to "ENGINE DIAG.
FLOW TABLE".
Go to Step 3.
Check "W" and "Or"
wires for open and
short, and connections
for poor connection.
If wires and connections
are OK, replace
HO2S-1.