| DTC B1011: | MICU Lost Communication with the Gauge Control Module (VSP/NE Message) |
| 1. | Clear the DTCs with the HDS. |
| 2. | Turn the ignition switch OFF, and then back ON (II). |
| 3. | Wait for 6 seconds or more. |
| 4. | Check for DTCs with the HDS. Is DTC B1011 indicated? YES - Go to 5. NO - Intermittent failure, the gauge control module (tach) is OK at this time. Check for loose or poor connections at the gauge control module (tach) 36P connector and at the under-dash fuse/relay box connector Q (16P). If the connections are good, check the battery condition and the charging system.n |
| 5. | Check for DTCs with the HDS. Are DTCs B1000, B1008, B1011, and B1032 all indicated? YES - Go to DTC troubleshooting B1000.n NO - Go to 6. |
| 6. | Select the BODY ELECTRICAL system select menu, then enter the UNIT INFORMATION menu. |
| 7. | Check the condition of the gauge control module from the CONNECTED UNIT. Is NOT AVAILABLE indicated? YES - Go to 8. NO - Faulty MICU, replace the under-dash fuse/relay box.n |
| 8. | Turn the ignition switch OFF. |
| 9. | Do the gauge control module (tach) input test, and check power supply and ground for the gauge control module (tach). Are all input tests OK? YES - Go to 10. NO - If any input tests indicate a problem, find and correct them, then recheck the system.n |
| 10. | Disconnect the under-dash fuse/relay box connector Q (16P). |
| 11. | Disconnect the gauge control module (tach) 36P connector. |
| 12. | Check for continuity between the under-dash fuse/relay box connector Q (16P) No. 6 terminal and gauge control module (tach) 36P connector No. 21 terminal.
Is there continuity? YES - Replace the gauge control module (tach).n NO - Repair an open in the wire between the MICU and the gauge control module (tach).n |