Mazda CX-7 2007 Workshop Manual page 1247

DTC B2477
DTC B2477 Configuration error
Warning
• Detection conditions are for understanding the DTC outline before performing an inspection.
Performing an inspection according to only the detection conditions may cause injury due to
DETECTION
an operating error, or damage the system. When performing an inspection, always follow the
CONDITION
inspection procedure.
• SAS control module configuration has not been performed correctly.
• SAS control module configuration error
POSSIBLE
• SAS control module malfunction
CAUSE
Diagnostic procedure
STEP
1 INSPECT SAS CONTROL MODULE
• Using the M-MDS, perform SAS control
moduleconfiguration.
• Is DTC B2477 indicated?
End Of Sie
DTC B2773, B2774, B2775, B2776
B2773 Driver-side curtain air bag module circuit resistance low
B2774 Driver-side curtain air bag module circuit resistance high
DTC
B2775 Driver-side curtain air bag module circuit short to body ground
B2776 Driver-side curtain air bag module circuit short to power supply
Warning
• Detection conditions are for understanding the DTC outline before performing an inspection.
Performing an inspection according to only the detection conditions may cause injury due to
an operating error, or damage the system. When performing an inspection, always follow the
DETECTION inspection procedure.
CONDITION
• Abnormal resistance (other than 1.4— 3.9 ohms) detected in the driver-side curtain air bag module
circuit
• Malfunction in the wiring harness between the driver-side curtain air bag module and SAS control
module
• Open or short circuit in the wiring harness between the driver-side curtain air bag module and SAS
POSSIBLE control module
• Driver-side curtain air bag module malfunction
CAUSE
• SAS control module malfunction
ON-BOARD DIAGNOSTIC
INSPECTION
DRIVER-SIDE CURTAIN AIR BAG MODULE
WIRING HARNESS-SIDE
B
Yes Replace the SAS control module.
(See 08-10-10 SAS CONTROL MODULE REMOVAL/
INSTALLATION.)
No DTC troubleshooting completed.
CONNECTOR
A
id080200810500
ACTION
id080200802900
08-02–45
08-02