Description

Diagnosis Procedure
1. CHECK FUSES
Check that the following fuses are not blown.

Is the fuse blown?
YES >> Replace the fuse after repairing the affected circuit.
NO >> Inspection End.
Diagnosis and repair workflowWork Flow DETAILED FLOW 1. REVIEW CUSTOMER COMPLAINT Review customer complaint. Try to obtain detailed information about the conditions when the symptom occurs. >> GO TO 2 2. VERIFY THE ...
Compression pressure
Inspection
Warm up engine and then turn it off.
Release fuel pressure.
Remove ignition coil and spark plug from each cylinder.
Connect engine tachometer (not required in use of CONSULT).
Install compression gauge (B) with an adapter (A) (commercial
service tool) onto spark plug hole.
...
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 ...