DTC Logic
DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.

Is above displayed on the self-diagnosis display?
YES >> Proceed to diagnosis procedure. Refer to BRC "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1.REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
CAUTION: Replace ABS actuator and electric unit (control unit) when self diagnostic result shows items other than those applicable.
>> Replace ABS actuator and electric unit (control unit). Refer to BRC "Removal and Installation".
Structure and operation
Sectional View
1. Clutch housing 2. 1st-2nd synchronizer hub assembly 3. 3rd-4th
synchronizer hub assembly
4. 5th input gear 5. 5th-reverse synchronizer hub assembly 6. 5th-reverse baulk
ring
7. 5th main gear 8. 4th main gear 9. 3rd main gear
10. 2nd main gear 11. 2nd double-cone synchr ...
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 ...