Preliminary Check
1. FOREIGN OBJECTS
Check the following:
Are there any foreign objects that could be causing interference?
2. WIRING CONNECTIONS
Are any connectors damaged or loose?
3. POWER AND GROUND
Check power supply and ground circuits for control unit. Refer to ADP-47, "DRIVER SEAT CONTROL UNIT : Diagnosis Procedure".
Is the inspection result normal?
Special Repair Requirement
Refer to Owner's Manual for Automatic Drive Positioner system operating instructions.
Instrument Panel
Vent
Headlight/fog light/turn signal switch
Supplemental front-impact air bag. Horn
Meters and gauges. Warning and indicator lights. Vehicle information
display
Paddle shifters (if so equipped)
Wiper and washer switch
Audio controls*. Navigation controls*
Hazard warning ...
Center speaker
Removal and Installation
REMOVAL
Remove the center speaker grille, using a suitable tool.
Remove the center speaker screws (A).
Pull out the center speaker (1), disconnect the harness connector
from the center speaker and remove.
INSTALLATION
Installation is in the reverse order of ...
CAN communication circuit
Diagnosis Procedure
1.CONNECTOR INSPECTION
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication system.
Check terminals and connectors for damage, bend and loose
connection.
2.CHECK HARNESS CON ...