U0199

NETWORKING: CAN COMMUNICATION SYSTEM: U0199: Lost Communication with "Door Control Module A"

DTC U0199 - Lost Communication with "Door Control Module A"

DESCRIPTION





HINT: w/ Seat memory

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
(a) Disconnect the cable from the negative (-) battery terminal before measuring the resistances of the main wire and the branch wire.

CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NEXT -- Continue to next step.

2. CHECK FOR OPEN IN CAN BUS WIRE (OUTER MIRROR CONTROL ECU BRANCH WIRE)




(a) Disconnect the M8 outer mirror control ECU connector.
(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





NG -- REPAIR OR REPLACE OUTER MIRROR CONTROL ECU BRANCH WIRE OR CONNECTOR (CAN, CGND)
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (OUTER MIRROR CONTROL ECU - BATTERY AND BODY GROUND)
(a) Reconnect the cable from the negative (-) battery terminal.





(b) Disconnect the M7 outer mirror control ECU connector.
(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





(d) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE OUTER MIRROR CONTROL ECU