The display and navigation module display and multi-display controller sub-assembly are connected by the MOST communication line.
When a MOST communication error occurs between the display and navigation module display and multi-display controller sub-assembly, these
DTCs will be stored.
HINT
For the MOST network, the display and navigation module display is the master unit.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. CHECK OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)
(a) Check for optional components.
(1) Check that optional components (including associated wiring) which generate radio waves are not installed.
Result:
HINT
* Electrical noise from radio waves generated by optional components or the wiring for those components may affect MOST
communication.
* This DTC may be stored when an MOST communication error occurs due to electrical noise.
B -- CHECK DTC
A -- Continue to next step.
2. REMOVE OPTIONAL COMPONENTS (INCLUDING ASSOCIATED WIRING)
(a) Remove optional components (including associated wiring).
NOTICE:
Do not remove optional components or associated wiring without the permission of the customer.
NEXT -- Continue to next step.
3. CHECK DTC
(a) Clear the DTCs See: Accessories and Optional Equipment/Navigation System/Testing and Inspection/Reading and Clearing
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