At glow plug side, measure resistance between each glow plug 1P connector terminal and glow plug body. Is there 1.0 Ω or less?
YES | - | Replace the glow plug, then go to Step 11 .
NO | - | Go to Step 10 .
Replace the glow plug control module. Reconnect all connectors. Turn the ignition switch ON (II). Reset the ECM with the HDS. Do the GLOW PLUG TEST in the INSPECTION MENU with the HDS. Check for Temporary DTCs or DTCs with the HDS. Are any Temporary DTCs or DTCs indicated?
YES | - | If DTC P0380 is indicated, check for poor connections or loose terminals at the glow plug control module, the glow plug 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.■