B1214
CIRCUIT DESCRIPTIONThis 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:
Steps 1 - 2:
Steps 3 - 4:
Steps 5 - 6:
Step 7:
INSPECTION PROCEDURE