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Honda Fit/Jazz - SRS Indicator Circuit Troubleshooting

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SRS Indicator Circuit Troubleshooting

The SRS Indicator Doesn't Come On


1.Turn the ignition switch ON (II), and check to see if the other indicators come on (brake system, etc).

Do the other indicators come on?


YES - Go to Retrieve the flash codes with the SCS mode.

  • A new SRS unit must sense the entire system is OK before completing its initial self-test. The most common cause of an incomplete self-test is the failure to replace all deployed parts after a collision, in particular, seat belt tensioners and seat belt buckle tensioners.
  • An incomplete self-test prevents the HDS from retrieving DTCs, although flash codes are available in the SCS mode.

    1.Erase the DTC memory.

    Does the SRS indicator go off when the DTC memory is erased?


    YES - Go to Disconnect the TL1o and TR1o connectors.

    11.Disconnect U1o connector (A) from the SRS unit.
    Disconnect the TL1o and TR1o connectors.

    24.Disconnect U1o connector (A) from the SRS unit.
    Connect the HDS to the Data Link Connector (16P), and follow the prompts in the ‘‘SCS'' menu.

    45.Check resistance between the No. 26 terminal of U1o connector and body ground. There should be 0-1.0 W.

    Is the resistance as specified?


    YES - Faulty SRS unit or poor contact at the dashboard wire harness 28P connector; check the connection at U1o connector and the SRS unit. If the connection is OK, replace the SRS unit.n


    NO - Open in the SCS line between the No. 26 terminal of U1o connector and the No. 9 terminal (BRN wire) of the Data Link Connector (DLC) (16P) or open between the No. 4 terminal of the Data Link Connector (DLC) (16P) and body ground. Repair the open wire(s).n

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