B1291

DTC B1291 Light System Communication Bus Malfunction (+B Short)
DTC B1292 Light System Communication Bus Malfunction (GND Short)

DESCRIPTION

DTC Detection Condition:

When a +B or body ground short circuit is detected on the light system communication bus (BEAN), the light system communication bus (BEAN) is disabled and a DTC code is output.

Wiring Diagram:

Step 1:

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Step 3:

Step 4:

Step 5:

Step 6:

INSPECTION PROCEDURE