DTC Troubleshooting: 61-1x - Without Seat Heater
  1. Measure the voltage between the No. 19 terminal of SRS unit connector B (39P) and body ground. There should be more than 10 V.
Is the voltage as specified?
YES -
Go to Step 12 .
NO -
Open in the SRS floor wire harness; replace the SRS floor wire harness.■
  1. Turn the ignition switch to LOCK (0).