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 "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
1. Repair or replace the malfunctioning part.
2. Reconnect parts or connectors disconnected during Diagnostic Procedure.
>> GO TO 5.
5.FINAL CHECK
Refer to confirmed symptom in step 2, and make sure that the symptom is not detected.
Has the symptom been repaired?
YES >> Inspection End.
NO >> GO TO 2.
DTC/CIRCUIT DIAGNOSIS
Diagnosis system (bluetooth control
unit)Diagnosis Description The Bluetooth control unit has two diagnostic checks. The first diagnostic check is performed automatically every ignition cycle during control unit initialization. The sec ...
Fuel level sensor unit, fuel filter and fuel pump assembly
Exploded View
1. Lock ring 2. Fuel level sensor unit, fuel filter and
fuel pump assembly
3. O-ring
4. Fuel tank
Removal and Installation
WARNING:
Be sure to read "General Precautions" before working on the fuel system. Refer
to FL, "General Precautions".
REMOVAL
Release t ...
U0073 Communication bus a off
DTC Logic
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
U0073
Control Module Communication
Bus "A" Off
When the ignition switch is ON,
TCM detects a bus-off error
continuously for 2 seconds or
more.
Harness or connector
(CA ...