B2321

DTC B2321 Driver Side Door ECU Communication Stop

DESCRIPTION

DTC Detection Condition:

This DTC is output when LIN communication between the front power window regulator motor LH and main body ECU stops for 10 seconds or more.

Wiring Diagram:

Step 1-3:

Step 3 (Continued)-6:

Step 6 (Continued):

INSPECTION PROCEDURE

NOTE: When using the intelligent tester (with CAN VIM) or Techstream with the engine switch off to troubleshoot:
Connect the intelligent tester (with CAN VIM) or Techstream to the vehicle, and turn a courtesy switch on and off at 1.5 second intervals until communication between the tester and vehicle begins.

HINT: DTC B2325 is output when the communication between all of the following components and main body ECU stops.