DTC B1129-11; B1129-12; B1129-13; B1129-19; B1129-1A; Passenger-Side Curtain Air Bag Module Circuit Malfunction: Notes
WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
- B1129:11: Passenger-side curtain air bag module circuit short to body ground
- B1129:12: Passenger-side curtain air bag module circuit short to power supply
- B1129:13: Passenger-side curtain air bag module circuit open circuit or resistance high
- B1129:19: Short circuit to passenger-side curtain air bag module and other air bag module circuits
- B1129:1A: Passenger-side curtain air bag module circuit resistance low
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| Detection condition |
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 inspection procedure.
- Resistance other than 0.81-6.42 ohms detected in passenger-side curtain air bag module circuit
- Wiring harness between the passenger-side curtain air bag module and SAS control module has a malfunction
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| Fail-safe |
Not applicable |
| Possible cause |
- Passenger-side curtain air bag module connector malfunction
- Open circuit in the wiring harness between the following terminals:
- SAS control module terminal 1K-passenger-side curtain air bag module terminal A
- SAS control module terminal 1N-passenger-side curtain air bag module terminal B
- Short circuit to body ground in the wiring harness between the following terminals:
- SAS control module terminal 1K-passenger-side curtain air bag module terminal A
- SAS control module terminal 1N-passenger-side curtain air bag module terminal B
- Short circuit to power supply in the wiring harness between the following terminals:
- SAS control module terminal 1K-passenger-side curtain air bag module terminal A
- SAS control module terminal 1N-passenger-side curtain air bag module terminal B
- Short circuit to each other in the wiring harness between the passenger-side curtain air bag module and SAS control module
- Short circuit to other air bag module circuits in the wiring harness between the passenger-side curtain air bag module and SAS control module
- Passenger-side curtain air bag module malfunction
- SAS control module malfunction
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