B2323

MULTIPLEX COMMUNICATION: LIN COMMUNICATION SYSTEM: B2323: Rear Door RH ECU Communication Stop
B2323 - Rear Door RH ECU Communication Stop

DESCRIPTION

This DTC is stored when LIN communication between the power window regulator motor assembly (for rear RH side) and main body ECU (instrument panel junction block assembly) stops for more than 10 seconds.





WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
* When the power window regulator motor assembly (for rear RH side) is replaced or removed and reinstalled, it requires initialization Programming and Relearning.
* When using the Techstream to troubleshoot with the ignition switch off:
* Connect the Techstream to the DLC3, and turn the courtesy switch on and off at 1.5-second intervals until communication between the Techstream and vehicle begins.

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR - BATTERY AND BODY GROUND)

(a) Disconnect the J4 motor connector.





(b) Measure the resistance and voltage according to the value(s) in the table below.

Standard resistance:





Standard voltage:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - POWER WINDOW REGULATOR MOTOR ASSEMBLY)

(a) Disconnect the E8 ECU connector.





(b) Measure the resistance according to the value(s) in the table below.

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for REAR RH SIDE)

(a) Replace the power window regulator motor assembly (for rear RH side) Removal.

NEXT -- Continue to next step.

4. CHECK DTC OUTPUT

(a) Clear the DTC Initial Inspection and Diagnostic Overview.

(b) Recheck for DTCs.

OK:

DTC B2323 is not output.

NG -- REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

OK -- END (POWER WINDOW REGULATOR MOTOR ASSEMBLY WAS DEFECTIVE)