DTC B1080: Power Supply Circuit (IG1 line) Input Error for Relay Control Module and MICU
NOTE:
If you are troubleshooting multiple DTC's, be sure to follow the instructions in B-CAN system diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs using the HDS.
- Cycle the ignition switch to OFF, and then back ON.
- Turn the ignition switch ON (II) and wait for 2 seconds or more.
Is DTC F31080 indicated again?
YES -Go to step 4.
NO -Intermittent failure, the relay control module is OK at this time. Check for loose or poor connections. If the connections are good, check the battery condition (see BATTERY TEST ) and the charging system (see CHARGING SYSTEM INDICATOR CIRCUIT TROUBLESHOOTING ).
- Check the MICU IG1 power supply No. 21 (7.5 A) fuse in the under-dash fuse/relay box.
Is the fuse OK?
YES -Go to MICU INPUT TEST .
NO -Replace the fuse and recheck for DTCs.