B1214

DTC B1214 System Communication Bus Malfunction (+B short)

CIRCUIT DESCRIPTION

This DTC is output when +B or GND short occurs on door system communication bus. If +B or GND short is detected on door system communication bus, separate it by bus cut relay in body ECU to prevent while communication buses' failure.

Wiring Diagram:

Step 1 - 2:

Step 3 - 4:

Step 5 - 6:

Step 7:

INSPECTION PROCEDURE