DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerTrunk opener request switch
Description
Performs trunk lid open request when it is pressed.
Component Function Check
1. CHECK FUNCTION
With CONSULT
Check trunk opener request switch REQ SW -BD/TR in Data Monitor mode.
Diagnosis Procedure
1. CHECK TRUNK OPENER REQUEST SWITCH OUTPUT SIGNAL
Turn ignition switch ...
Audio system
System Diagram
System Description
AUDIO SYSTEM
The audio system consists of the following components
Audio unit
Display unit
Bluetooth control unit
Window antenna
BOSE speaker amp.
Steering wheel audio control switches
Front door speakers
Tweeters
Center speaker
Rear door ...
Symptom diagnosis
SQUEAK AND RATTLE TROUBLE DIAGNOSES
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic
Worksheet during the interview to document the facts and conditions when the
noise occurs and any
custome ...