Intention of troubleshooting procedure

WARNING: This page is about a different variant/trim than selected.

Step 1
- Perform inspection of each separate part.
Step 2
- Perform a unit inspection of the exhaust gas pressure sensor.
Step 3-4
- Verify that the primary malfunction is resolved and there are no other malfunctions.

TROUBLESHOOTING DIAGNOSTIC PROCEDURE

STEP	INSPECTION		ACTION
1	PURPOSE: INSPECT EGR VALVE CONTROL SYSTEM OPERATION Perform the EGR valve operation inspection. (See ENGINE CONTROL SYSTEM OPERATION INSPECTION [VIN Y] .) Is there any malfunction?	Yes	Repair or replace the malfunctioning part according to the inspection results, then go to Step 3.
1		No	Go to the next step.
2	PURPOSE: DETERMINE INTEGRITY OF EXHAUST GAS PRESSURE SENSOR Inspect the exhaust gas pressure sensor. (See EXHAUST GAS PRESSURE SENSOR INSPECTION [VIN Y] .) Is there any malfunction?	Yes	Replace the exhaust gas pressure sensor, then go to the next step. (See EXHAUST GAS PRESSURE SENSOR REMOVAL/INSTALLATION [VIN Y] .)
2		No	Go to the next step.
3	PURPOSE: PERFORM DTC INSPECTION AND VERIFY IF MALFUNCTIONING PART IS PCM Always reconnect all disconnected connectors. Clear the DTC from the PCM memory using the M-MDS. (See CLEARING DTC .) Implement the repeatability verification procedure. (See Repeatability Verification Procedure .) 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 [VIN Y] .) Go to the next step.
3		No	Go to the next step.
4	PURPOSE: 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 .)
4		No	DTC troubleshooting completed.