Suzuki Wagon R Manual page 2652

Low Engine Oil Level Warning Light Symptom Diagnosis for Z13DT Engine
Condition
Low engine oil level
warning light does not
light up when low
engine oil level
Low engine oil level
warning light stays ON
Diagnosis
Possible Cause
Fuse blown
Wiring or grounding faulty
Engine oil level switch faulty
Combination meter faulty
ECM faulty
Low engine oil
Wiring or grounding faulty
Engine oil level switch faulty
Combination meter faulty
ECM faulty
INSTRUMENTATION/DRIVER INFORMATION 8C-3
Correction
Replace fuse to circuit for short.
Repair circuit.
Check engine oil level switch refer-
ring to ìEngine Oil Level Switchî in
Section 6E3.
Check combination meter circuit
referring to ìCombination Meterî in
this section.
Check ECM referring to ìInspection
of ECM and Its Circuitsî in Section
6-3.
Refill engine oil referring to ìEngine
Oil and Oil Filter Replacementî in
Section 0B.
Repair circuit.
Check engine oil level switch refer-
ring to ìEngine Oil Level Switchî in
Section 6E3.
Check combination meter circuit
referring to ìCombination Meterî in
this section.
Check ECM referring to ìInspection
of ECM and Its Circuitsî in Section
6-3.