DTC DETECTION LOGIC
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B1017
B1020
B1021
OCCUPANT SENS C/U
[UNIT FAIL]
Trouble occurs in Occupant Classification System control unit
Disconnection of wiring harness
Malfunction in Occupant Classification System control unit
Replace air bag diagnosis sensor unit
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
Turn ignition switch ON.
Perform “AIR BAG” Self Diagnostic Result CONSULT-III.
Without CONSULT-III
Turn ignition switch ON.
Check the air bag warning lamp status. Refer to
Air Bag Warning Lamp Diagnosis
.
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
Is malfunctioning part detected?
YES
>>
Refer to
Diagnosis Procedure
.
NO
>>
INSPECTION END