Toyota Sienna Service Manual: Map Disc Read Error

DTC 58-42 Map Disc Read Error

DTC 80-42 Map Disc Read Error

DESCRIPTION

INSPECTION PROCEDURE

HINT: After the inspection is completed, clear the DTCs.

1 CHECK MAP DISC

1. Check that the map disc is not deformed or cracked.

OK: No deformations or cracks on the map disc.

2 DISC CLEANING

1. Disc cleaning

1.  If dirt is on the disc surface, wipe it clean with a soft cloth from the inside to the outside in a radial direction.

NOTICE: Do not use a conventional record cleaner or anti-static preservative.

3 DTC CLEAR AND RECHECK

1. Clear the DTCs
2. Recheck for DTCs and check if the same trouble occurs again.

OK: Same problem does not occur.

4 REPLACE MAP DISC

1. Replace the map disc.
2.  Clear the DTCs and recheck for DTCs.
3.  Check if the same trouble occurs again.

OK: Same problem does not occur

REPLACE RADIO AND NAVIGATION ASSEMBLY