T–222
ON-BOARD DIAGNOSTIC [AIR BAG SYSTEM]
DTC B2445, U2018
A6E817401046W21
Diagnostic procedure
DTC
B2445 Passenger-side side air bag sensor system (sensor internal circuit abnormal)
U2018 Passenger-side side air bag sensor system (communication error)
DETECTION
CONDITION
Warning
• Detection conditions are for understanding DTC outline before performing inspection.
Performing inspection with only detection conditions may cause injury due to operating error
or damage the system. When performing inspection, always follow inspection procedure.
• Malfunction in wiring harness between passenger-side side air bag sensor and SAS unit
• Malfunction in passenger-side side air bag sensor circuit
POSSIBLE
CAUSE
• Open or short circuit in wiring harness between passenger-side side air bag sensor and SAS unit
• Passenger-side side air bag sensor malfunction
• SAS unit malfunction
STEP INSPECTION ACTION
1 INSPECT PASSENGER-SIDE SIDE AIR BAG
SENSOR
• Check following PID/DATA monitor, using
SST (WDS or equivalent).
(See T–195 PID/DATA MONITOR TABLE)
— OD_P_CRSH
• Is passenger-side side air bag sensor
normal?
Yes
Present malfunction diagnosis:
• Replace SAS unit.
(See T–124 SAS UNIT REMOVAL/INSTALLATION)
Past malfunction diagnosis:
• Troubleshooting completed.
No Go to next step.
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