| 1. | Turn the ignition switch ON (II), and see if the PGM-FI indicator come on. Does the PGM-FI indicator come on? YES - Go to 2. NO - Go to the PGM-FI system troubleshooting:n |
| 2. | Connect the HDS to the DLC. |
| 3. | Turn the ignition switch ON (II). |
| 4. | Make sure the HDS communicates with the vehicle and the SRS unit. If it does not, troubleshoot the DLC circuit: |
| 5. | In Body Electrical on the HDS, check for DTCs. Is DTC B1187 indicated? YES - Go to the troubleshooting DTC B1187. NO - Faulty gauge control module (tach); replace the gauge control module.n |