DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerMultifunction switch
Removal and Installation
REMOVAL
Remove cluster lid D. Refer to IP-18, "Removal and Installation".
Remove the four multifunction switch screws (A) and the multifunction
switch (2) from cluster lid D (1).
: Metal clip
INSTALLATION
Installation is in the reverse order of ...
ECM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (unit side and connector
side).
- Models without automatic drive position ...
Tweeter
Description
The AV control unit sends audio signals to the tweeters using the front door
speaker circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit and speaker connectors for the following:
Proper connection
Damage
Disconnected or loose terminals
2.HARNESS CHE ...