Acura 2002 RSX Service Manual page 1403

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DTC 21-4: Short to Power in Driver's Seat Belt
Buckle Tensioner
SpecialTools Required
. SRS inflator simulator 07SAZ-TB4011A
. SRS simulator lead F 07XAZ-S230100
1. Erase the DTC memory (see page 23-231
2. Turn the ignition switch ON (ll), and check that the
SRS indicator comes on for about 6 seconds and
then goes off.
Does the SBS indicator staY on?
YES- Go to step 3.
NO - Intermittent failure, svstem is OK at this time.
Go to Troubleshooting Intermittent Failures (see
page 23-23).
3. Turn the ignition switch OFF. Disconnect the
battery negative cable, and wait for 3 minutes.
4. Disconnect the driver's seat belt buckle tensioner
4P connector from the floor wire harness {A).
07sAz-TB4011A
Connect the special tool (2 Q connectors) to the
floor wire harness 4P connector.
Reconnect the battery negative cable.
Erase the DTC memory.
6.
7 .
8. Read the DTC.
ls DTC 21-4 indicated?
YES Go to step 9.
NO- Short to power in the driver's seat belt buckle
tensioner; replace the driver's seat belt buckle.l
9. Disconnect the battery negative cable, and wait for
3 minutes.
10. Disconnect both side airbag 2P connectors {A) and
the front passenger's seat belt buckle tensioner 4P
connector (B).
(cont'd)
23-57