Connect the battery positive terminal to EGR valve 6P connector terminal No. 4 with a jumper wire. Start the engine and let it idle, then connect the battery negative terminal to EGR valve 6P connector terminal No. 6 with a jumper wire. Does the engine stall or run rough?
YES | - | Go to Step 51 .
NO | - | Go to Step 33 .
Turn the ignition switch OFF. Remove the EGR valve. Clean the intake manifold EGR port with carburetor cleaner. Also, clean the passage inside the EGR valve with carburetor cleaner. Install the EGR valve. Reconnect the EGR valve 6P connector. Turn the ignition switch ON (II). Reset the ECM/PCM with the HDS. Do the ECM/PCM idle learn procedure. Do the EGR TEST in the INSPECTION MENU with the HDS. Is the result OK?
YES | - | Go to Step 49 .
NO | - | Go to Step 42 .
Turn the ignition switch OFF. Replace the EGR valve. Reconnect all connectors. Turn the ignition switch ON (II). Reset the ECM/PCM with the HDS. Do the ECM/PCM idle learn procedure. Do the EGR TEST in the INSPECTION MENU with the HDS. Check for Temporary DTCs or DTCs in the DTC MENU with the HDS. Are any Temporary DTCs or DTCs indicated?
YES | - | If DTC P2413 is indicated, check for poor connections or loose terminals at the EGR valve and the ECM/PCM, then go to Step 1 . If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO | - | Go to Step 50 .
Monitor the OBD STATUS for DTC P2413 in the DTCs MENU with the HDS. Does the screen indicate PASSED?
YES | - | Troubleshooting is complete.■
NO | - | If the screen indicates FAILED, then go to Step 1 and recheck. If the screen indicates EXCUTING, keep driving until a result comes on. If the screen indicates OUT OF CONDITION, go to Step 48 and recheck.
Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM. Do the EGR TEST in the INSPECTION MENU with the HDS. Check for Temporary DTCs or DTCs in the DTC MENU with the HDS. Are any Temporary DTCs or DTCs indicated?
YES | - | If DTC P2413 is indicated, check for poor connections or loose terminals at the EGR valve and the ECM/PCM, then go to Step 1 . If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO | - | If ECM/PCM was updated, troubleshooting is complete. If ECM/PCM was substituted, replace the original ECM/PCM. ■