Diagnostic procedure

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DIAGNOSTIC PROCEDURE CHART

STEP	INSPECTION		ACTION
1	IDENTIFY TRIGGER DTC FOR FREEZE FRAME DATA (MODE 2) Is the DTC P0133:00 on FREEZE FRAME DATA (Mode 2)?	Yes	Go to the next step.
1		No	Go to troubleshooting procedures for DTC on FREEZE FRAME DATA (Mode 2). (See DTC TABLE .)
2	VERIFY FREEZE FRAME DATA (MODE 2)/SNAPSHOT DATA AND DIAGNOSTIC MONITORING TEST RESULTS HAVE BEEN RECORDED Have the FREEZE FRAME DATA (Mode 2)/snapshot data and DIAGNOSTIC MONITORING TEST RESULTS (A/F sensor, HO2S related) been recorded?	Yes	Go to the next step.
2		No	Record the FREEZE FRAME DATA (Mode 2)/snapshot data and DIAGNOSTIC MONITORING TEST RESULTS on the repair order, then go to the next step.
3	VERIFY RELATED REPAIR INFORMATION AVAILABILITY Verify related Service Bulletins and/or on-line repair information availability. Is any related repair information available?	Yes	Perform repair or diagnosis according to the available repair information. If the vehicle is not repaired, go to the next step.
3		No	Go to the next step.
4	VERIFY RELATED PENDING AND STORED DTC Switch the ignition to off, then to ON (engine off). Verify the pending or stored DTCs using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST .) Is the DTC P0443:00 also present?	Yes	Go to the applicable DTC inspection. (See DTC P0443:00 .)
4		No	Go to the next step.
5	INSPECT A/F SENSOR CONNECTOR CONDITION Switch the ignition to off. Disconnect the A/F sensor connector. Inspect for poor connection (such as damaged/pulled-out pins, corrosion). Is there any malfunction?	Yes	Repair or replace the terminal and/or connector, then go to Step 15.
5		No	Go to the next step.
6	INSPECT INSTALLATION; OF A/F SENSOR Inspect installation of A/F sensor. Is the A/F sensor installed securely?	Yes	Go to the next step.
6		No	Retighten the A/F sensor, then go to Step 15. (See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION .)
7	INSPECT GAS LEAKAGE FROM EXHAUST SYSTEM Visually inspect if there is any gas leakage between the exhaust manifold and A/F sensor. Is there gas leakage?	Yes	Repair or replace the malfunctioning part according to the inspection result, then go to Step 15.
7		No	Go to the next step.
8	INSPECT PURGE SOLENOID VALVE Inspect the purge solenoid valve. (See PURGE SOLENOID VALVE INSPECTION .) Is there any malfunction?	Yes	Replace the purge solenoid valve, then go to Step 15. (See PURGE SOLENOID VALVE REMOVAL/INSTALLATION .)
8		No	Go to the next step.
9	INSPECT FUEL LINE PRESSURE Inspect the fuel line pressure. (See FUEL LINE PRESSURE INSPECTION .) Is there any malfunction?	Yes	Go to the next step.
9		No	Go to Step 12.
10	INSPECT FUEL LINE LEAKAGE Visually inspect the leakage from fuel line between fuel distributor to fuel pump. Is there any leakage?	Yes	Repair or replace the malfunctioning part according to the inspection result, then go to Step 15.
10		No	Go to the next step.
11	INSPECT FUEL FILTER Visually inspect the foreign materials or stain inside fuel filter. Is there any foreign materials or stain?	Yes	Repair or replace the malfunctioning part according to the inspection result, then go to Step 15.
11		No	Replace the fuel pump unit, then go to Step 15. (See FUEL PUMP UNIT REMOVAL/INSTALLATION .)
12	INSPECT ENGINE COMPRESSION Inspect the engine compression. (See COMPRESSION INSPECTION .) Is there any malfunction?	Yes	Perform the engine overhaul for repairs, then go to Step 15.
12		No	Go to the next step.
13	INSPECT SEALING OF ENGINE COOLANT PASSAGE Perform the "ENGINE COOLANT LEAKAGE INSPECTION". (See ENGINE COOLANT LEAKAGE INSPECTION .) Is there any malfunction?	Yes	Repair or replace the malfunctioning part according to the inspection result, then go to Step 15.
13		No	Go to the next step.
14	INSPECT A/F SENSOR Reconnect all disconnected connectors. Inspect the A/F sensor. (See AIR FUEL RATIO (A/F) SENSOR INSPECTION .) Is there any malfunction?	Yes	Replace the A/F sensor, then go to the next step. (See AIR FUEL RATIO (A/F) SENSOR REMOVAL/INSTALLATION .)
14		No	Inspect the related wiring harness. If there is any malfunction: Repair or replace the suspected wiring harness, then go to the next step. If there is no malfunction: Go to the next step.
15	VERIFY DTC TROUBLESHOOTING COMPLETED Make sure to reconnect all disconnected connectors. Clear the DTC from the PCM memory using the M-MDS. (See AFTER REPAIR PROCEDURE .) Drive the vehicle under the monitoring conditions. Perform the Pending Trouble Code Access Procedure. (See ON-BOARD DIAGNOSTIC TEST .) Is the PENDING CODE for this DTC present?	Yes	Repeat the inspection from Step 1. If the malfunction recurs, replace the PCM. (See PCM REMOVAL/INSTALLATION .) Go to the next step.
15		No	Go to the next step.
16	VERIFY AFTER REPAIR PROCEDURE Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE .) Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE .)
16		No	DTC troubleshooting completed.