Mazda CX-7 2007 Workshop Manual page 1249

DTC B2777, B2778, B2779, B2780
B2777 Passenger-side curtain air bag module circuit resistance low
B2778 Passenger-side curtain air bag module circuit resistance high
DTC
B2779 Passenger-side curtain air bag module circuit short to body ground
B2780 Passenger-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 passenger-side curtain air bag
module circuit
• Malfunction in the wiring harness between the passenger-side curtain air bag module and SAS control
module
• Open or short circuit in the wiring harness between the passenger-side curtain air bag module and SAS
POSSIBLE control module
• Passenger-side curtain air bag module malfunction
CAUSE
• SAS control module malfunction
ON-BOARD DIAGNOSTIC
PASSENGER-SIDE CURTAIN AIR BAG MODULE
WIRING HARNESS-SIDE CONNECTOR
B
A
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