B1215

DTC B1215 SYSTEM COMMUNICATION BUS MALFUNCTION (GND 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 - 8:

Step 9 - 10:

Step 11 - 12:

Step 13 - 14:

Step 15 - 16:

Step 17:

INSPECTION PROCEDURE