Mazda 2002 6 Workshop Manual page 1128

DTC B2444, U2017
B2444 Driver-side side air bag sensor system (sensor internal circuit abnormal)
DTC
U2017 Driver-side side air bag sensor system (communication error)
Warning
• Detection conditions are for understanding DTC outline before performing inspection.
DETECTION
CONDITION
• Malfunction in wiring harness between driver-side side air bag sensor and SAS unit
• Malfunction in driver-side side air bag sensor circuit
• Open or short circuit in wiring harness between driver-side side air bag sensor and SAS unit
POSSIBLE
• Driver-side side air bag sensor malfunction
CAUSE
• SAS unit malfunction
Diagnostic procedure
STEP
1 INSPECT DRIVER-SIDE SIDE AIR BAG
SENSOR
• Check following PID/DATA monitor, using
SST (WDS or equivalent).
(See T–195 PID/DATA MONITOR
— OD_D_CRSH
• Is driver-side side air bag sensor normal?
T–220
ON-BOARD DIAGNOSTIC [AIR BAG SYSTEM]
Performing inspection with only detection conditions may cause injury due to operating error
or damage the system. When performing inspection, always follow inspection procedure.
INSPECTION
TABLE)
Yes Present malfunction diagnosis:
• Replace SAS unit.
(See T–124 SAS UNIT
Past malfunction diagnosis:
• Troubleshooting completed.
No Go to next step.
A6E817401046W20
ACTION
REMOVAL/INSTALLATION)