Check resistance between the No. 18 and No. 8 terminals of the U2o connector, and between the No. 18 and No. 9 terminals of the U2o connector. There should be 1 M ohm or more. U2o CONNECTOR Wire side of female terminals Is the resistance as specified? YES - Faulty SRS unit; replace the SRS unit. NO - Short to power in the floor wire harness; replace the floor wire harness.

DTC 12-5: Short to Ground in Front Passenger's Side Airbag Inflator (With OPDS Unit Model) Erase the DTC memory (see page 23-38). Turn the ignition switch ON (II), and check that the SRS indicator light comes on for about 6 seconds and then goes off. Does the SRS indicator light stay on? YES - Go to step 3. NO - Intermittent failure, system is OK at this time. Go to Troubleshooting Intermittent Failures (see page 23-38). Turn the ignition switch OFF. Disconnect the battery negative cable and wait for 3 minutes. Disconnect the SPi connector (A) from the front passenger's side airbag (B). Connect the special tool (2 ohm) to the SPi connector.