Commercial Service Tools

Precautions for Suspension
Symptom diagnosisM&a branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the combination meter for damage,
bend and loose connection
(unit side and connector side).
Is the inspection result nor ...
DTC/Circuit diagnosis
U0073 COMMUNICATION BUS A OFF
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
U0073
COMM BUS A OFF
(Control Module Communication
Bus A Off)
TCM communication blockage lasts for 2 sec ...
Service Notice and Precautions for EPS System
Check the following item when performing the trouble
diagnosis.
Check any possible causes by interviewing the symptom and
it′s condition from the customer if any malfunction,
such as EPS warning lamp is turned ON, occurs.
Check if air pressure and size of tires are proper, t ...