Suzuki WagonR+ RB310 Service Manual page 2416

INSPECTION
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
temperature and keep it at 2000 r/min. for
60 sec.
3) Repeat racing engine (Repeat depressing
accelerator 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
0.3 V and over 0.6 V repeatedly?
Fig. 1 for Step 3
ACTION
Fig. 2 for Step 3
Normal
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.
ENGINE DIAGNOSIS 6-57
NO
Go to "ENGINE DIAG.
FLOW TABLE".
Go to Step 3.
Check "R" and "Br/W"
wires for open and
short, and connections
for poor connection.
If wires and connections
are OK, replace
HO2S-1.