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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 82 (On-Board Diagnostic - Airbag System) >> DTC B00D5-01: Pad Off Indicator Circuit Open Circuit Or Short To Power Supply (Airbag) (Us) >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
DTC B00D5:01 (AIRBAG) (US) DIAGNOSTIC PROCEDURE

Step Inspection Results Action
1 VERIFY BODY CONTROL MODULE (BCM) DTCs
  • Perform the DTC inspection for the body control module (BCM) using the M-MDS. (See DTC INSPECTION .)
  • Is a DTC detected?
 Yes Perform the applicable DTC troubleshooting.
(See DTC TABLE [BODY CONTROL MODULE (BCM) (US)] .)
No Go to the next step.
2 INSPECT INDICATOR UNIT CONNECTOR CONDITION
 Yes Replace the malfunctioning part and perform the repair completion verification.
No Go to the next step.
3 INSPECT BODY CONTROL MODULE (BCM) CONNECTOR CONDITION
  • Disconnect the body control module (BCM) connector. (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION (US) .)
  • Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
  • Is the connector normal?
 Yes Go to the next step.
No Replace the malfunctioning part and perform the repair completion verification.
4 INSPECT INDICATOR UNIT SIGNAL CIRCUIT FOR SHORT TO GROUND
  • Indicator unit and body control module (BCM) connectors are disconnected.
  • Inspect the indicator unit signal circuit for short to ground. (See CIRCUIT INSPECTION .)
    NOTE:
    • Inspect for a short to ground while shaking the wiring harness between the indicator unit and body control module (BCM).
  • Is the circuit normal?
 Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
5 INSPECT INDICATOR UNIT SIGNAL CIRCUIT FOR OPEN CIRCUIT
  • Indicator unit and body control module (BCM) connectors are disconnected.
  • Inspect the indicator unit signal circuit for open circuit. (See CIRCUIT INSPECTION .)
    NOTE:
    • Inspect for open circuit while shaking the wiring harness between the indicator unit and body control module (BCM).
  • Is the circuit normal?
 Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
6 INSPECT INDICATOR UNIT SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY
  • Indicator unit and body control module (BCM) connectors are disconnected.
  • Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  • Switch the ignition ON (engine off or on).
  • Inspect the indicator unit signal circuit for a short to power supply. (See CIRCUIT INSPECTION .)
    NOTE:
    • Inspect for a short to power supply while shaking the wiring harness between the indicator unit and body control module (BCM).
  • Is the circuit normal?
 Yes Go to the next step.
No Repair or replace the malfunctioning location and perform the repair completion verification.
7 INSPECT INDICATOR UNIT
 Yes Perform the repair completion verification.
No Replace the indicator unit and perform the repair completion verification.
(See INDICATOR UNIT REMOVAL/INSTALLATION .)
Repair completion verification PERFORM SAS CONTROL MODULE DTC INSPECTION
 Yes Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW (US) .)
If the CAN communication is normal, perform the diagnosis from Step 1.
No DTC troubleshooting completed.
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