Mazda MX-5 NA silhouetteMX-5 NA

AIR BAG SYSTEM

T-140prose procedure

Flowchart No. 2

Flowchart No.
Description2
Fault indication
DescriptionWarning lamp flashes three times
Possible cause
DescriptionOpen circuit or poor connection of power source circuit

Step 1

  1. 1
    Measure the battery voltage.
    Photo showing measurement of battery voltage with a voltmeter in the engine bay. A voltmeter (with V symbol) is connected to the battery terminals.
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Step 1 Battery voltage action

More than 9V
ActionGo to Step 2
Less than 9V
ActionCharge battery by recomended procedure (Refer to Section G)

Step 2

  1. 1
    Check the following fuses.
    Photo showing the fuse box and main fuse block with labels: ENGINE 15A, INJ 30A, AIR BAG 15A, AIR BAG 10A. Arrows point to the fuses to check.
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  2. 2
    If a fuse burned, replace it.
  3. 3
    If the fuses are OK, go to Step 3.

Step 2 Fuse locations

INJ 30A
LocationMain fuse block
AIR BAG 15A
LocationFuse box
AIR BAG 10A
LocationMain fuse block
ENGINE 15A
LocationFuse box

Step 3

  1. 1
    Disconnect the negative battery cable.
    Photo showing the steering wheel with knee protector area. An arrow points to the clock spring connectors (orange and blue) that need to be disconnected.
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  2. 2
    Remove the knee protector, and disconnect the clock spring connectors (Orange and blue).
  3. 3
    Check for proper connection of the backup battery connector.
    Photo showing the diagnostic module with backup battery connector. Labels point to DIAGNOSTIC MODULE and BACKUP BATTERY.
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  4. 4
    If the connector is loose or disconnected, reconnect it.
  5. 5
    If the connection is OK, go to Step 4.
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See also

T-133AIR BAG SYSTEM - SERVICE PRECAUTIONSection G

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