Inspection Procedure 13

INSPECTION PROCEDURE 13: The map disk is not read.
INSPECTION PROCEDURE 14: The map disk cannot be inserted.

CAUTION: Before replacing the navigation unit, ensure that the power supply circuit and the ground circuit are normal. (Check that the voltage is 10 V or more.)

TROUBLESHOOTING HINTS
- The special map disk may be defective.
- The navigation unit may be defective

DIAGNOSIS

STEP 1. Using the navi service mode function, check that the navigation unit is OK.

1. Display the Circuit check.
2. Check that "OK" is shown in the field of DVD.

Q: Is check result normally?

YES : Go to Step 2.

NO : Replace the navigation unit.


STEP 2. Check that the inserted disk is the special map disk.

*1. When an unusable disk is inserted, "The disk is not a map disk. Please insert the map disk." is displayed.
*2. If the disk is not inserted, "There is no disk in the DVD player. Please insert the map disk." is displayed.

Q: Is an inserted disk the special map disk?

YES : Go to Step 3.

NO : Replace the disk with the special map disk.

STEP 3. Check if the map disk is inserted upside down.

Q: Is the map disk inserted upside down?

YES : Go to Step 4.

NO : Correct the side of the map disk, and then reboot.

STEP 4. Check that the fouling is present to the map disk.

Q: Is there any fouling to the map disk?

YES : Go to Step 5.

NO : Clean the disk signal side, then reboot.

STEP 5. Check that the scratch is present to the map disk.

Q: Is there any scratch to the map disk?

YES : Replace the navigation unit.

NO : Go to Step 6.

STEP 6. Replace the map disk, then check that the disk is scratched again.

Q: Is the disk scratched again?

YES : Replace the navigation unit.

NO : Replace the map disk.