Navigation System

NAVIGATION: NAVIGATION SYSTEM: 01-DC: Transmission Error

DTC 01-DC - Transmission Error

DESCRIPTION





NOTICE:
- The multi-display is the master unit.
- Be sure to clear and recheck DTCs after the inspection is completed to confirm that no DTCs are output.

INSPECTION PROCEDURE
NOTE:
Be sure to read DESCRIPTION before performing the following procedures.

PROCEDURE

1. CHECK FOR DTC OF OTHER COMPONENTS
(a) Check if the component shown by the sub-code is displayed in the check result of the other components.
(1) Check if "01-DC" is output for the other components.
(2) If "01-DC" is output for any other components, check if the same physical address is displayed.
HINT:
For the list of the components shown by sub-codes, refer to the table in step 2.

Result:






B -- CLEAR DTC
A -- Continue to next step.
2. IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE




(a) Enter the diagnostic mode.
(b) Press the "LAN Mon" switch to change to "LAN Monitor" mode.
(c) Identify the component which has stored this code.

Component Table:





HINT:
"NAVI" is the component which has stored this code in the example shown in the illustration.

NEXT -- Continue to next step.
3. CHECK COMPONENT WHICH HAS STORED THIS CODE
(a) Select the component which has stored this code.

Component Table:





NEXT -- END
4. CLEAR DTC
(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.
HINT:
If "01-DC" is output for only one component, this may not indicate a malfunction.

NEXT -- Continue to next step.
5. RECHECK DTC
(a) Recheck for DTCs and check if the same trouble occurs again.
OK:
Malfunction disappears.
NG -- CHECK COMPONENT WHICH HAS STORED THIS CODE
OK -- END