Disconnect the negative (-) battery terminal.

Remove the crash pad center speaker grill (A).

Remove the crash pad center speaker (A) after loosening 2 screws.

Remove the crash pad cnter lower garnish (A).

Remove the center facia panel (A) after loosening 2 screws. Take care not to damage fixing clips.

(Refer to the BD group - "Crash pad")

Disconnect connectors.

Using an ohmmeter, inspect the continuity between the terminals after removing controller.