B2322
NETWORKING: LIN COMMUNICATION SYSTEM: B2322: Front Passenger Side Door ECU Communication Stop
DTC B2322 - Front Passenger Side Door ECU Communication Stop
DESCRIPTION
This DTC is stored when LIN communication between the front power window regulator motor assembly RH and main body ECU stops for 10 seconds or more.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTE:
When using the Techstream with the ignition switch off to troubleshoot:
Connect the Techstream to the vehicle, and turn a courtesy switch on and off at 1.5 second intervals until communication between the Techstream and vehicle begins.
HINT: DTC B2325 is stored when the communication between the front power window regulator motor assembly RH and main body ECU stops.
PROCEDURE
1. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REGULATOR MOTOR RH)
(a) Disconnect the H2 main body ECU connector.
(b) Disconnect the L3 front power window regulator motor assembly RH connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
(d) Reconnect the main body ECU connector.
(e) Reconnect the front power window regulator motor assembly RH connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
2. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (REGULATOR MOTOR RH - BATTERY AND BODY GROUND)
(a) Disconnect the L3 front power window regulator motor assembly RH connector.
(b) Measure the resistance and voltage according to the value(s) in the tables below.
Standard Resistance:
Standard Voltage:
(c) Reconnect the front power window regulator motor assembly RH connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH
(a) Temporarily replace the front power window regulator motor assembly RH with a new or normally functioning one Removal.
(b) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.
NEXT -- Continue to next step.
4. CHECK FOR DTC
(a) Recheck for DTCs Reading and Clearing Diagnostic Trouble Codes.
Result
B -- REPLACE MAIN BODY ECU
A -- END (FRONT POWER WINDOW REGULATOR MOTOR RH IS DEFECTIVE)