DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE

DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred).
>> GO TO 2.
2.CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer. Verify relation between the symptom and the condition when the symptom is detected. Refer to AV-59, "Symptom Table".
>> GO TO 3.
3.DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE
Inspect according to Diagnostic Procedure of the system.
Is malfunctioning part detected? YES >> GO TO 4.
NO >> GO TO 2.
4.REPAIR OR REPLACE THE MALFUNCTIONING PART
>> GO TO 5.
5.FINAL CHECK
Refer to confirmed symptom in step 2, and make sure that the symptom is not detected.
Was the repair confirmed? YES >> Inspection End.
NO >> GO TO 2.
 Wiring diagram
Wiring diagram DTC/circuit diagnosis
DTC/circuit diagnosisU0073 communication bus a OFF
   DTC Description
DTC DETECTION LOGIC
	
		DTC
		CONSULT screen terms
		(Trouble diagnosis content)
		DTC detection condition
	
	
		U0073
		COMM BUS A OFF
		(Control Module Communication Bus A Off)
		TCM communication blockage lasts for 2 seconds or more when turning
		ON the ignition sw ...
   
Removal and installation
   AV CONTROL UNIT
Exploded View
	AV control unit bracket (LH) 
	AV control unit 
	AV control unit bracket (RH)
Removal and Installation
REMOVAL
CAUTION:
	 Before disconnecting the AV control unit and battery terminals, 
	turn the ignition switch OFF and wait
	at least 30 secon ...
   
Front grille
   Exploded View
	Front bumper fascia 
	Front camera (if equipped) 
	Front grille
	Front emblem 
 Pawl 
 Clip
Removal and Installation
REMOVAL
	 Remove front grille upper clip (A) (LH/RH).
	Release clips and pawls, then remove front grille.
	: Clip
	: Pawl
	Disco ...