Note. DTC B1283 sets when there is no communication from driver side junction block ECU and body ECU.
Disconnect driver side junction block ECU 10-pin and 18-pin connectors. see scheme 8 Disconnect front light ECU 8-pin connector. (Scheme 23) Disconnect power tilt/telescopic ECU 8-pin connector. see scheme 7 Check for continuity in Violet/Green wire between driver side junction block ECU connector terminal No. 15 and front light ECU connector terminal No. 31. Check for continuity in Violet/Green wire between driver side junction block ECU connector terminal No. 7 and power tilt/telescopic ECU connector terminal No. 3. Repair wiring as necessary. If wiring is okay, replace driver side junction block ECU.
