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