Inspection Procedure

WARNING: This page is about a different car, the 2005 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.

Check if the screen is dimmed at night. (With the light control switch ON, do all screens except the navigation screen appear in Night Mode?)
1. NG: Check the light control switch.
2. OK: Go To Next Step.
Check "Display check mode" (Vehicle Signal Check)
CHECK:

Check the input signal TAIL and ADIM/TCAN.

OK:
1. Status is normal
1. NG: Check and replace multi display.
2. OK: Go To Next Step.
Check the multi display.
CHECK:

Check voltage terminal DR.

OK:
1. DR: See ECU TERMINALS REFERENCE (MULTI-DISPLAY) .
1. NG: Replace or repair wire harness or connector.
2. OK: Check and replace the multi display.