If the combination meter detects that the rheostat illumination switch has been pressed for 60 seconds or more continuously with the electric motor switch at the ON position and the DTC No. U1190 is not set, DTC No. B2463 is set.
TROUBLESHOOTING HINTS
Malfunction of combination meter (integrated with rheostat illumination switch)
DIAGNOSIS
1. Switch check. (Does the combination meter illuminate at the brightness determined by the position of the rheostat illumination switch?)