Multiplex Communication System

DIAGNOSTIC TROUBLE CODE CHART

B1211/11 - B1241/41:

B1242/42 - B1277/77:

If a malfunction code is displayed during the DTC check check the circuit listed for that code in the table given.

HINT:
- DTC 21-26 and 41 don't mean switch abnormal but notify how switch works.
- If DTC is not output when operating switch, it means failure of switch contact.
- If DTC is output when not opening switch, it means stick of switch.