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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> On-Board Diagnostic - Two-Step Deployment Control System >> DTC B1128:11/B1128:12/B1128:13/B1128:19/B1128:1A [SAS Control Module (Two-Step Deployment Control System - Us/CANADA Spec.)] >> Special Service Tool (SST)

Special Service Tool (SST)

DTC B1128:11/B1128:12/B1128:13/B1128:19/B1128:1A [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA SPEC.)] - DETECTION CONDITION & POSSIBLE CAUSE

49 N088 0A0
Fuel and thermometer checker
G11428580
System malfunction location
  • B1128:11:Driver-side curtain air bag module circuit short to body ground
  • B1128:12:Driver-side curtain air bag module circuit short to power supply
  • B1128:13:Driver-side curtain air bag module circuit open circuit or resistance high
  • B1128:19:Short circuit to driver-side curtain air bag module and other air bag module circuits
  • B1128:1A:Driver-side curtain air bag module circuit resistance low
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 0.88-6.33 ohms detected in driver-side curtain air bag module circuit
  • Wiring harness between the driver-side curtain air bag module and SAS control module has a malfunction
Fail-safe Not applicable
Possible cause
  • Driver-side curtain air bag module connector malfunction
  • Open circuit in the wiring harness between the following terminals:
    • SAS control module terminal 1U-driver-side curtain air bag module terminal A
    • SAS control module terminal 1W-driver-side curtain air bag module terminal B
  • Short circuit to body ground in the wiring harness between the following terminals:
    • SAS control module terminal 1U-driver-side curtain air bag module terminal A
    • SAS control module terminal 1W-driver-side curtain air bag module terminal B
  • Short circuit to power supply in the wiring harness between the following terminals:
    • SAS control module terminal 1U-driver-side curtain air bag module terminal A
    • SAS control module terminal 1W-driver-side curtain air bag module terminal B
  • Short circuit to each other in the wiring harness between the driver-side curtain air bag module and SAS control module
  • Short circuit to other air bag module circuits in the wiring harness between the driver-side curtain air bag module and SAS control module
  • Driver-side curtain air bag module malfunction
  • SAS control module malfunction
G11428581