SYSTEM DIAGRAM

System Description
Operation CheckDoor Courtesy Switch Circuit
DESCRIPTION
The main body ECU (multiplex network Body ECU) receives a door open or closed
signal from each door courtesy light switch.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Recognition code registration is necessary when replacing the main body
ECU (multiplex network bo ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) To check DTCs, connect the Techstream to the Data Link Connector 3 (DLC3)
of the vehicle. The Techstream displays DTCs and freeze frame data. The DTCs and
freeze frame data can be cleared with the Techstream (See page
).
2. NORMAL MODE AND CHECK MODE
(a) ...
Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
DESCRIPTION
for Navigation Function:
The navigation receiver assembly receives a vehicle speed signal from
the combination meter assembly and sends the signal to navigation receiver
assembly.
for Automatic Sound Levelizer (ASL):
This circuit is necessary for the Aut ...