Suzuki Ignis Service Manual page 3260

Step
3 MIL Circuit Check
1) Turn ignition switch to OFF position.
2) Remove combination meter referring to "Combination
Meter Removal and Installation" in Section8.
3) Disconnect connectors from ECM.
4) Measure resistance between "PPL/WHT" wire terminal
of combination meter connector and body ground.
Is resistance infinity?
4 MIL Circuit Check
1) Connect connectors to combination meter.
Does MIL turn ON at ignition switch turned ON?
Action
ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-59
Yes
Go to Step 4.
Replace combina-
tion meter.
No
"PPL/WHT" wire cir-
cuit shorted to
ground.
Substitute a known-
good ECM and
recheck.