Part 2

CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: U1002: Lost Communication with Gateway Module (Parking Assist Bus)
U1002 - Lost Communication with Gateway Module (Parking Assist Bus)

Standard resistance:





NG -- CONNECT CONNECTOR
OK -- Continue to next step.

10. CHECK FOR SHORT IN CAN BUS WIRES (CAN JUNCTION CONNECTOR - OBJECT RECOGNITION ECU)

NOTICE:
For vehicles without driver monitor camera, replace the CAN junction connector.

(a) Disconnect the R45 CAN junction connector connector.





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

Standard resistance:





NG -- CONNECT CONNECTOR

OK -- REPLACE CAN JUNCTION CONNECTOR

11. CONNECT CONNECTOR

(a) Reconnect the R46 and R45 CAN junction connector connectors.

NEXT -- Continue to next step.

12. CHECK FOR SHORT IN CAN BUS WIRES (OBJECT RECOGNITION ECU)

(a) Disconnect the p1 object recognition ECU connector.





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

Standard resistance:





NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN JUNCTION CONNECTOR - OBJECT RECOGNITION ECU)

OK -- REPLACE OBJECT RECOGNITION ECU Removal

13. CONNECT CONNECTOR

(a) Reconnect the R46 CAN junction connector connector.

NEXT -- Continue to next step.

14. CHECK FOR SHORT IN CAN BUS WIRES (NO. 13 JUNCTION CONNECTOR - CAN JUNCTION CONNECTOR)

(a) Disconnect the L96 No. 13 junction connector connector.





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

Standard resistance:





NG -- REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (NO. 13 JUNCTION CONNECTOR - CAN JUNCTION CONNECTOR)
OK -- Continue to next step.

15. CHECK FOR SHORT IN CAN BUS WIRES (NO. 13 JUNCTION CONNECTOR - DRIVING SUPPORT ECU)

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





Standard resistance:





NG -- CONNECT CONNECTOR
OK -- Continue to next step.

16. CHECK FOR SHORT IN CAN BUS WIRES (NO. 13 JUNCTION CONNECTOR - DRIVER MONITOR ECU)

NOTICE:
For vehicles without driver monitor camera, go to "CHECK FOR SHORT IN CAN BUS WIRES (NO. 13 JUNCTION CONNECTOR - FRONT MILLIMETER WAVE RADAR SENSOR)".

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





Standard resistance:





NG -- CONNECT CONNECTOR
OK -- Continue to next step.

17. CHECK FOR SHORT IN CAN BUS WIRES (NO. 13 JUNCTION CONNECTOR - FRONT MILLIMETER WAVE RADAR SENSOR)

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





Standard resistance:





NG -- CONNECT CONNECTOR

OK -- REPLACE NO. 13 JUNCTION CONNECTOR

18. CONNECT CONNECTOR

(a) Reconnect the L96 No. 13 junction connector connector.

NEXT -- Continue to next step.

19. CHECK FOR SHORT IN CAN BUS WIRES (DRIVING SUPPORT ECU)

(a) Disconnect the A33 driving support ECU connector.





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

Standard resistance:





NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (NO. 13 JUNCTION CONNECTOR - DRIVING SUPPORT ECU)

OK -- REPLACE DRIVING SUPPORT ECU ASSEMBLY Removal

20. CONNECT CONNECTOR

(a) Reconnect the L96 No. 13 junction connector connector.

NEXT -- Continue to next step.