2009 Suzuki 400 LTZ Quad Sport Service Manual, Page 85Get this manual
1A-21 Engine General Information and Diagnosis: Visual inspection Prior to diagnosis using the mode select switch or SDS, perform the following visual inspectionsThe reason for visual inspection is that mechanical failures (such as oil leakage) cannot be displayed on the screen with the use of mode select switch or SDS Engine oil level and leakageRefer to "Engine Oil and Filter Replacement in Section 0B (Page 0B-11)" Engine coolant level and leakageRefer to "Cooling Circuit Inspection in Section 1F (Page 1F-4)" Fuel level and leakageRefer to "Fuel Line Inspection in Section 0B (Page 0B-11)" Clogged air cleaner elementRefer to "Air Cleaner Element Cleaning in Section 0B (Page 0B-4)" Battery condition Throttle cable playRefer to "Throttle Cable Play Inspection and Adjustment in Section 0B (Page 0B-10)" Vacuum hose looseness, bend and disconnection Broken fuse FI light operationRefer to "Indicator Light Inspection in Section 9C (Page 9C-2)" Each indicator light operationRefer to "Indicator Light Inspection in Section 9C (Page 9C-2)" Exhaust gas leakage and noiseRefer to "Exhaust System Inspection in Section 1K (Page 1K-4)" Each coupler disconnection Clogged radiator finsRefer to "Radiator Inspection and Cleaning in Section 1F (Page 1F-5)" Malfunction Code and Defective Condition Table