SRS Symptom Troubleshooting - SRS indicator stays on but no DTCs are stored

SRS indicator stays on, but no DTC are stored
  1. Connect the HDS to the DLC.
  1. Turn the ignition switch ON (II).
  1. Make sure the HDS communicates with the vehicle and the SRS unit. If it does not communicate, troubleshoot the DLC circuit.
  1. Select Body Electrical status with the HDS.
  1. Check for DTCs in the Gauge Menu with the HDS.
Is the DTC B1187 indicated?
YES -
Go to the DTC B1187 troubleshooting.
NO -
Go to Step 6 .
  1. Check that the HDS communicates with the SRS unit.
Does the HDS communicate with the SRS unit?
YES -
Go to Step 7 .
NO -
If the HDS does not communicate with the SRS unit, check for power and ground at SRS unit connector A (28P). If power and ground are still present, replace the SRS unit. ■
  1. From the HDS System Menu, select SRS, then SRS in Mode Menu, PARAMETER INFORMATION, then SCS, MES, Indicator. Read the current status of the SRS indicator.
Is the status ON?
YES -
Faulty SRS unit; replace the SRS unit. ■
NO -
Faulty gauge control module (tach); replace the gauge control module (tach). ■