Diagnostic procedure

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DIAGNOSTIC PROCEDURE CHART

STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA (MODE 1)/SNAPSHOT DATA HAS BEEN RECORDED Has the FREEZE FRAME DATA (Mode 2)/snapshot data been recorded?	Yes	Go to the next step.
1		No	Record the FREEZE FRAME DATA (Mode 2)/snapshot data on the repair order, then go to the next step.
2	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.
2		No	Go to the next step.
3	INSPECT FUSE Switch the ignition to off. Disconnect the negative battery cable. Remove the PCM 10 A fuse. Inspect the PCM 10 A fuse. Is there any malfunction?	Yes	Replace the PCM 10 A fuse, then go to Step 8.
3		No	Go to the next step.
4	INSPECT MAIN RELAY Remove the main relay. Inspect the main relay. (See RELAY INSPECTION .) Is there any malfunction?	Yes	Replace the main relay, then go to Step 8.
4		No	Go to the next step.
5	INSPECT PCM CONNECTOR CONDITION Disconnect the PCM 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 8.
5		No	Go to the next step.
6	INSPECT MAIN RELAY CIRCUIT FOR SHORT TO POWER SUPPLY Main relay is removed. PCM connector is disconnected. Install the PCM 10 A fuse. Reconnect the negative battery cable. Switch the ignition to ON (engine off). Measure the voltage between the following terminals and body ground: Main relay terminal D (wiring harness-side) Main relay terminal B (wiring harness-side) Is there any voltage?	Yes	Repair or replace the wiring harness for a possible short to power supply, then go to Step 8.
6		No	Go to the next step.
7	INSPECT MAIN RELAY CIRCUIT FOR SHORT TO GROUND OR OPEN CIRCUIT Main relay is removed. PCM connector is disconnected. Switch the ignition to off. Install the main relay. Switch the ignition to ON (engine off). Measure the voltage between the following terminals and body ground: PCM terminal 1A (wiring harness-side) PCM terminal 1Q (wiring harness-side) Is the voltage B+ ?	Yes	Go to the next step.
7		No	Repair or replace the wiring harness for a possible short to ground or open circuit, then go to the next step.
8	VERIFY DTC TROUBLESHOOTING COMPLETED Make sure to reconnect all disconnected connectors. Install the PCM 10 A fuse. Reconnect the negative battery cable. Clear the DTC from the PCM memory using the M-MDS. (See AFTER REPAIR PROCEDURE .) Perform the KOER self test. (See KOEO/KOER SELF TEST .) Is the same 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.
8		No	Go to the next step.
9	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 .)
9		No	DTC troubleshooting completed.