Operation CHARM: Car repair manuals for everyone.

Part 2





NETWORKING: CAN COMMUNICATION SYSTEM: Check CAN Bus Line for Short to +B
- Check CAN Bus Line for Short to +B

9. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (CAN NO. 1 J/C - COMBINATION METER)

(a) Disconnect the combination meter connector.









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





Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 J/C - COMBINATION METER)

OK -- REPLACE COMBINATION METER ASSEMBLY Removal

10. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (CAN NO. 1 J/C - MAIN BODY ECU)

(a) Disconnect the main body ECU connector.





Text in Illustration





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





Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 J/C - MAIN BODY ECU)

OK -- REPLACE MULTIPLEX NETWORK BODY ECU (MAIN BODY ECU) Removal

11. CHECK FOR SHORT TO +B IN CAN BUS WIRE (CAN NO. 1 J/C - ECM)

(a) Disconnect the ECM connector.





Text in Illustration





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





Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (CAN NO. 1 J/C - ECM)

OK -- REPLACE ECM Removal

12. CHECK FOR SHORT TO +B IN CAN BUS WIRE (CAN NO. 1 J/C - POWER MANAGEMENT CONTROL ECU)

(a) Disconnect the power management control ECU connector.





Text in Illustration





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





Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 J/C - POWER MANAGEMENT CONTROL ECU)

OK -- REPLACE POWER MANAGEMENT CONTROL ECU Removal

13. CHECK FOR SHORT TO +B IN CAN BUS WIRE (CAN NO. 1 J/C - CENTER AIRBAG SENSOR ASSEMBLY)

(a) Disconnect the center airbag sensor assembly connector.





Text in Illustration





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





Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 J/C - CENTER AIRBAG SENSOR ASSEMBLY)

OK -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY Removal

14. CHECK FOR SHORT TO +B IN CAN BUS WIRE (CAN NO. 1 J/C - YAW RATE SENSOR)

(a) Disconnect the yaw rate sensor connector.





Text in Illustration





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





Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 J/C - YAW RATE SENSOR)

OK -- REPLACE YAW RATE SENSOR ASSEMBLY Removal

15. CHECK FOR SHORT TO +B IN CAN BUS WIRE (CAN NO. 2 J/C - SKID CONTROL ECU)

(a) Disconnect the skid control ECU connector.





Text in Illustration





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





Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 2 J/C - SKID CONTROL ECU)

OK -- REPLACE BRAKE ACTUATOR (SKID CONTROL ECU) Removal

16. CHECK FOR SHORT TO +B IN CAN BUS WIRE (CAN NO. 2 J/C - CERTIFICATION ECU)

(a) Disconnect the certification ECU connector.





Text in Illustration





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





Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (CAN NO. 2 J/C - CERTIFICATION ECU)

OK -- REPLACE SMART KEY ECU ASSEMBLY (CERTIFICATION ECU)

17. CHECK FOR SHORT TO +B IN CAN BUS WIRE (CAN NO. 2 J/C - NAVIGATION ECU)

(a) Disconnect the navigation ECU connector.





Text in Illustration





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





Standard Resistance:





Text in Illustration





Result:





B -- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY (NAVIGATION ECU) Removal

C -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 2 J/C - NAVIGATION ECU)

A -- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY (NAVIGATION ECU) Removal