B1266

B1266 - Instrument Panel System Communication Bus Malfunction (+B Short)

CIRCUIT DESCRIPTION




This DTC is output when +B or GND short occurs on instrument panel system communication bus. If +B or GND short is detected on instrument panel system communication bus, separate it by bus cut relay in Body ECU No.1 and Body ECU No.2 to prevent while communication buses' failure.

Wiring Diagram:

Step 1:

Step 2 - 3:

Step 4 - 5:

Step 6 - 7:

Step 8 - 9:

Step 10 - 11:

Step 12 - 13:

Step 14 - 15:

Step 16 - 17:

Step 18 - 19:

INSPECTION PROCEDURE

HINT: On the system structure point of view, this DTC cannot display meter. In case of checking DTC, please use hand held tester.