DTC Troubleshooting

DTC TROUBLESHOOTING CHART

Step	Action	YES	NO
1	Was "Engine and Emission Control System Check" performed?	Go to Step 2.	Go to ENGINE AND EMISSION CONTROL SYSTEM CHECK .
2	Does fuel level meter indicate "E" level (empty)?	Add fuel and recheck.	Go to Step 3.
3	Air intake system and exhaust system inspection Check air intake system and exhaust system for leakage. Are intake system and exhaust system in good condition?	Go to Step 4.	Repair or replace.
4	Ignition system inspection Check spark plug and ignition spark of cylinder where misfire occurs, referring to SPARK PLUG INSPECTION and IGNITION SPARK CHECK . Is it in good condition?	Go to Step 5.	Faulty ignition coil, wire harness or spark plug. If OK, substitute a known-good ECM and recheck.
5	Fuel injector and its circuit check Check fuel injector circuit referring to FUEL INJECTOR CIRCUIT CHECK . Is it in good condition?	Go to Step 6.	Repair or replace.
6	Fuel pressure inspection Check fuel pressure referring to FUEL PRESSURE CHECK . Is check result satisfactory?	Go to Step 7.	Repair or replace.
7	Fuel injector inspection Check fuel injector(s) referring to FUEL INJECTOR INSPECTION . Is check result satisfactory?	Go to Step 8.	Replace.
8	EGR system inspection Check EGR system referring to EGR SYSTEM INSPECTION (USING SUZUKI SCAN TOOL) . Is check result satisfactory?	Go to Step 9.	Repair or replace.
9	Fuel level sensor inspection Check fuel level sensor referring to FUEL LEVEL SENSOR INSPECTION . Is check result satisfactory?	Go to Step 10.	Repair or replace.
10	Engine mechanical systems check Check engine mechanical systems. Engine compression: Refer to COMPRESSION CHECK . Valve lash: Refer to VALVE LASH (CLEARANCE) INSPECTION . Valve timing: Refer to LH (NO. 1) BANK 2ND TIMING CHAIN AND CHAIN TENSIONER REMOVAL AND INSTALLATION and 1ST TIMING CHAIN AND CHAIN TENSIONER REMOVAL AND INSTALLATION . Are they in good condition?	Substitute a known-good ECM and recheck.	Repair or replace.