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Home >> Mazda >> 2007 >> B2300 Standard >> Repair and Diagnosis >> Restraints >> Seat Belts >> Symptom Troubleshooting (Air Bag & Seat Belt) >> Diagnostic Instructions - Air Bag And Safety Belt PRETENSIONER Supplemental Restraint System (SRS) >> Inspection and Verification

Inspection and Verification

  1. Verify the customer concern by checking the air bag indicator in the instrument cluster. Refer to PROVE OUT THE SYSTEM  in this section.
  2. Visually inspect for obvious signs of mechanical or electrical damage using the following chart.

    Visual Inspection Chart 

    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Damaged restraints control module (RCM) or loose mounting
    • Damaged occupant classification sensor (OCS) module/component or loose mounting.
    • Damaged front impact severity sensor(s) or loose mounting
    • Damaged or disconnected passenger air bag deactivation (PAD) indicator.
    • Open smart junction box (SJB) fuse 17(10 A)
    • Damaged wiring harness
    • Loose, damaged or corroded connectors
    • Circuitry open/shorted
    • Damaged shorting bars
  3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
    NOTE:
    • Make sure to use the latest scan tool software release.
  4. If the cause is not visually evident, connect the scan tool to the data link connector (DLC).
    NOTE:
    • The vehicle communication module (VCM) LED prove out confirms power and ground from the DLC are provided are provided to the VCM.
  5. If the scan tool does not communicate with the VCM:
    • Check the VCM connection to the vehicle.
    • Check the scan tool connection to the VCM.
    • See COMMUNICATIONS NETWORK , . No power to the scan tool or to the diagnose no communication with the scan tool.
  6. If the scan tool does not communicate with the vehicle: See COMMUNICATIONS NETWORK , . No response from the powertrain control module (PCM).
  7. Carry out the network test
    • If the scan tool responds with no communication for one or more modules, see COMMUNICATIONS NETWORK , .
    • If the network test passes, retrieve and record continuous memory diagnostic trouble codes (DTCs).
  8. Clear the continuous DTCs and carry out the self-test diagnostics for the RCM and OCS module.
  9. If the DTCs retrieved are related to the concern, See DIAGNOSTIC TROUBLE CODE (DTC) INDEX - RESTRAINTS CONTROL MODULE (RCM) , .
  10. If no DTCs related to the concern are retrieve, See SYMPTOM TROUBLESHOOTING CHART - AIR BAG SYSTEM , .
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