DTC DETECTION LOGIC
NOTE:

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Shift the selector lever to the P position.
2. Turn ignition switch ON and wait 2 seconds or more.
3. Shift the selector lever to any position other than P and wait 2 seconds or more.
4. Check DTC in Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES >> Go to SEC "Diagnosis Procedure".
NO >> Inspection End.
Regarding Wiring Diagram information, refer to SEC "Wiring Diagram".
1.CHECK CVT SHIFT SELECTOR CIRCUIT (BCM)
1. Turn ignition switch OFF.
2. Disconnect CVT shift selector (park position switch) connector.
3. Disconnect BCM connector.
4. Check continuity between CVT shift selector (park position switch) harness
connector and BCM harness
connector. 
5. Check continuity between CVT shift selector (park position switch) harness
connector and ground. 
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness.
2.CHECK CVT SHIFT SELECTOR CIRCUIT (IPDM E/R)
1. Disconnect IPDM E/R connector.
2. Check continuity between CVT shift selector (park position switch) harness
connector and IPDM E/R harness
connector. 
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.REPLACE BCM
1. Replace BCM. Refer to BCS "Removal and Installation".
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
3. Perform DTC CONFIRMATION PROCEDURE for DTC B2601. Refer to SEC "DTC Logic".
Is DTC B2601 detected again?
YES >> Replace IPDM E/R. Refer to PCS "Removal and Installation".
NO >> Inspection End.
Precautions
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER",
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and ...
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 ...