Connect MAF/IAT sensor 5P connector terminals No. 1 and No. 2 with a jumper wire. Turn the ignition switch ON (II). Check the MAF SENSOR in the DATA LIST with the HDS. Is about 0 gm/s or 0.29 V or less indicated?
YES | - | Go to Step 28 .
NO | - | Go to Step 22 .
Replace the MAF/IAT sensor. Reconnect all connectors. Turn the ignition switch ON (II). Reset the ECM with the HDS. Start the engine. Check for Temporary DTCs or DTCs with the HDS. Are any Temporary DTCs or DTCs indicated?
YES | - | If DTC P0102 is indicated, check for poor connections or loose terminals at the MAF/IAT sensor and the ECM, then go to Step 1 . If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO | - | Troubleshooting is complete.■
Update the ECM if it does not have the latest software, or substitute a known-good ECM. Start the engine. Check for Temporary DTCs or DTCs with the HDS. Are any Temporary DTCs or DTCs indicated?
YES | - | If DTC P0102 is indicated, check for poor connections or loose terminals at the MAF/IAT sensor and the ECM, then go to Step 1 . If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO | - | If the ECM was updated, troubleshooting is complete. If the ECM was substituted, replace the original ECM. ■