Diagnosis Procedure
1.CHECK HAZARD ANSWER BACK SETTING IN WORK SUPPORT
Refer to BCS "INTELLIGENT KEY : CONSULT Function (BCM - INTELLIGENT KEY)".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Set the Lock Only, Unlock Only or Lock/Unlock in HAZARD ANSWER BACK.
2.CHECK ANS BACK I-KEY LOCK SETTING IN WORK SUPPORT
Refer to BCS "INTELLIGENT KEY : CONSULT Function (BCM - INTELLIGENT KEY)".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Set the Horn Chirp or Buzzer in ANS BACK I-KEY LOCK.
3.CHECK ANS BACK I-KEY UNLOCK SETTING IN WORK SUPPORT
Refer to BCS "INTELLIGENT KEY : CONSULT Function (BCM - INTELLIGENT KEY)".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Set the On in ANS BACK I-KEY UNLOCK.
4.CHECK HAZARD FUNCTION
Check hazard function.
Refer to DLK "Component Function Check".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace the malfunctioning parts.
5.CHECK INTELLIGENT KEY WARNING BUZZER
Check Intelligent Key warning buzzer.
Refer to DLK "Component Function Check".
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace the malfunctioning parts.
6.REPLACE BCM
Is the result normal?
YES >> Inspection End.
NO >> Check intermittent incident. Refer to GI "Intermittent Incident".
Diagnosis Procedure 1.CHECK AUTOMATIC LOCK/UNLOCK SELECT SETTING IN WORK SUPPORT Select DOOR LOCK of BCM using CONSULT. Select AUTOMATIC LOCK/UNLOCK SELECT in WORK SUPPORT mode. Check AUTOM ...
Diagnosis Procedure 1.CHECK ANTI KEY LOCK IN FUNCTI SETTING IN WORK SUPPORT Select INTELLIGENT KEY of BCM using CONSULT. Select ANTI KEY LOCK IN FUNCTI in WORK SUPPORT mode. Check ANTI KEY LO ...
Battery
Keep the battery surface clean and dry.
Clean the battery with a solution of baking
soda and water.
Make certain the terminal connections are
clean and securely tightened.
If the vehicle is not to be used for 30 days or
longer, disconnect the negative (-) battery
terminal cable to ...
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 ...