Suzuki Wagon R Manual page 2060

Step
2 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?
3 MIL Circuit Check
1) Connect connectors to combination meter.
Does MIL turn ON at ignition switch turned ON?
ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE) 6-2-57
Action Yes
Go to Step 3. "PPL/WHT" wire cir-
cuit shorted to
ground.
Replace combina- Substitute a known-
tion meter. good ECM and
recheck.
No