DTC B1205: A/C Control Panel Lost Communication with Gauge Control Module (VSP/NE message); DTC B1206: A/C Control Panel Lost Communication with Gauge Control Module (ENGTEMP message); DTC B1207: A/C Control Panel Lost Communication with Gauge Control Module (ILLUMI message)
- Turn the ignition switch to LOCK (0), then turn to ON (II).
- Turn the A/C control system on and operate several functions (A/C ON/OFF, air mix and blend door operations, temperature settings etc.).
- Check for DTCs using the HDS.
Is DTC indicated?
YES -
- DTC B1205 indicated: Go to step 4.
- DTC B1206 or B1207 indicated: Go to step 5.
NO - Intermittent failure, the gauge control module and A/C control panel are OK at this time.
- Check for DTCs using the HDS.
Is DTC B1060 indicated?
YES - Do the gauge control module self-diagnostic function (see SELF-DIAGNOSTIC FUNCTION ).
NO - The A/C control panel is faulty, replace the A/C control panel.
- Disconnect A/C control panel connector A (22P).
- Remove the gauge control module (see GAUGE CONTROL MODULE REPLACEMENT ).
- Check for continuity between the No. 10 terminal of A/C control panel connector A (22P) and the No. 25 terminal of the gauge control module connector A (30P).Fig 1: Identifying Continuity Between A/C Control Panel Terminal 10 And Gauge Control Module Terminal 25
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES - Check for loose wire or poor connections at A/C control panel connector A (22P) and at the gauge control module connector A (30P). If the connections are good, substitute a known-good A/C control panel and/or gauge control module, and recheck. If the symptom/indication goes away, replace the original A/C control panel and/or gauge control module.
NO - Repair open in the wire between the A/C control panel and the gauge control module.