DTC Logic
DTC DETECTION LOGIC
CONSULT name |
DTC |
DTC detecting condition |
Repair order |
CURTAIN AIRBAG MODULE LH CIRCUIT [OPEN] | B0021 | LH side curtain air bag module circuit is open. | Refer to SRC-55, "Diagnosis Procedure". |
CURTAIN AIRBAG MODULE LH CIRCUIT [VB-SHORT] | LH side curtain air bag module circuit is shorted to a power supply circuit. | ||
CURTAIN AIRBAG MODULE LH CIRCUIT [GND-SHORT] | LH side curtain air bag module circuit is shorted to ground. | ||
CURTAIN AIRBAG MODULE LH CIRCUIT [SHORT] | LH side curtain air bag module circuits are shorted to each other. |
DTC CONFIRMATION PROCEDURE (With CONSULT)
1.CHECK SELF-DIAG RESULT
Is the DTC detected? YES (Current DTC)>>Refer to SRC-55, "Diagnosis Procedure".
YES (Past DTC)>>GO TO 2.
NO >> Inspection End.
2.ERASE SELF-DIAG RESULT
Erase the DTC using CONSULT.
Can the DTC be erased? YES >> Inspection End.
NO >> Refer to SRC-55, "Diagnosis Procedure".
DTC CONFIRMATION PROCEDURE (Without CONSULT)
1.CHECK SELF-DIAG RESULT
NOTE: SRS will not enter diagnosis mode if no malfunction is detected in user mode. Is the DTC detected? YES >> Refer to SRC-55, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1.HARNESS CONNECTOR
Visually inspect all applicable harness connectors for the following:
NOTE: All harness connectors should be inspected from the air bag diagnosis unit to the end component (including in-line connectors).
Is the inspection result normal? YES >> GO TO 2.
NO >> Perform one of the following repairs:
2.CONFIRM DTC
Is DTC still current? YES >> GO TO 3.
NO >> Refer to GI-41, "Intermittent Incident".
3.WIRING HARNESS
Check the wiring harness for visible damage.
NOTE: The entire wiring harness should be inspected from the air bag diagnosis sensor unit to the end component (including any in-line connectors). Is the inspection result normal? YES >> GO TO 4.
NO >> Replace the harness.
4.CONFIRM DTC
Is DTC still current? YES >> GO TO 5.
NO >> Refer to GI-41, "Intermittent Incident".
5.AIR BAG DIAGNOSIS SENSOR UNIT
Is DTC still current? YES >> GO TO 6.
NO >> Clear DTC. Inspection End.
6.SIDE CURTAIN AIR BAG MODULE LH
Is DTC still current? YES >> GO TO 7.
NO >> Clear DTC. Inspection End.
7.RELATED HARNESS
Replace the related harness.
>> END
Component parts
Component Parts Location
Steering column assembly
No.
Component
Function
1
ABS actuator and electric unit (control unit)
Transmits the following signal to EPS control unit via CAN
communication.
Vehicle speed signal (ABS)
...
Location of plastic parts
Precautions for Plastics
CAUTION:
When repairing and painting a portion of the body adjacent to
plastic parts, consider their characteristics (influence of heat
and solvent) and remove them if necessary or take suitable measures to
protect them.
Plastic parts should be ...
Exhaust gas (carbon monoxide)
WARNING
Do not breathe exhaust gases; they
contain colorless and odorless carbon
monoxide. Carbon monoxide is dangerous.
It can cause unconsciousness or
death.
If you suspect that exhaust fumes are
entering the vehicle, drive with all windows
fully ...