Diagnosis Procedure
1.Check connector
Is the inspection result normal? Yes >> go to 2.
No >> repair the terminal and connector
2.Check harness for open circuit

Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the steering angle sensor branch line.
3.Check power supply and ground circuit
Check the power supply and the ground circuit of the steering angle sensor. Refer to brc-44, "wiring diagram".
Is the inspection result normal? Yes (present error)>>replace the steering angle sensor. Refer to brc-113, "removal and installation".
Yes (past error)>>error was detected in the steering angle sensor branch line.
No >> repair the power supply and the ground circuit.
M&a branch line circuit
AV branch line circuitDTC/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 ...
Rear disc brake
Exploded View
Sliding pin bolt
Bushing
Cap
Bleeder valve
Cylinder body
Piston seal
Piston
Piston boot
Sliding pin boot
Torque member
Apply rubber grease
Apply brake fluid
Disassembly and Assembly
DISASSEMBLY
Place a wooden block as shown, and blow air from union ...
Basic inspection
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 ...