Operation CHARM: Car repair manuals for everyone.

Part 2





NETWORKING: CAN COMMUNICATION SYSTEM: Short in CAN Bus Lines
- Short in CAN Bus Lines - Continued

21. CHECK FOR SHORT IN CAN BUS WIRES (NO. 4 JUNCTION CONNECTOR - COMBINATION METER ECU)

(a) Disconnect the O41 No. 4 junction connector.





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

Standard Resistance:





Text in Illustration





NG -- CHECK FOR SHORT IN CAN BUS WIRES (COMBINATION METER ECU)

OK -- REPAIR OR REPLACE NO. 4 JUNCTION CONNECTOR

22. CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - NO. 4 JUNCTION CONNECTOR)

(a) Disconnect the H119 No. 1 junction connector.





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

Standard Resistance:





Text in Illustration





Result





B -- CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - POWER STEERING ECU)

A -- REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (NO. 1 JUNCTION CONNECTOR - NO. 4 JUNCTION CONNECTOR)

23. CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - COMBINATION METER ECU)

(a) Disconnect the H119 No. 1 junction connector.





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

Standard Resistance:





Text in Illustration





NG -- CHECK FOR SHORT IN CAN BUS WIRES (COMBINATION METER ECU)
OK -- Continue to next step.

24. SYSTEM CHECK

(a) Check the vehicle specifications.

Result





B -- CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - POWER STEERING ECU)
A -- Continue to next step.

25. CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - DISTANCE CONTROL ECU)

(a) Disconnect the H119 No. 1 junction connector.





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

Standard Resistance:





Text in Illustration





NG -- CHECK FOR SHORT IN CAN BUS WIRES (DISTANCE CONTROL ECU)
OK -- Continue to next step.

26. CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - POWER STEERING ECU)

(a) Disconnect the H119 No. 1 junction connector.





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

Standard Resistance:





Text in Illustration





NG -- CHECK FOR SHORT IN CAN BUS WIRES (POWER STEERING ECU)
OK -- Continue to next step.

27. CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - MAIN BODY ECU)

(a) Disconnect the H119 No. 1 junction connector.





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

Standard Resistance:





Text in Illustration





NG -- CHECK FOR SHORT IN CAN BUS WIRES (MAIN BODY ECU)
OK -- Continue to next step.

28. CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - SKID CONTROL ECU)

(a) Disconnect the H119 No. 1 junction connector.





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

Standard Resistance:





Text in Illustration





NG -- CHECK FOR SHORT IN CAN BUS WIRES (SKID CONTROL ECU)
OK -- Continue to next step.

29. CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - STEERING ANGLE SENSOR)

(a) Disconnect the H119 No. 1 junction connector.





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

Standard Resistance:





Text in Illustration





NG -- CHECK FOR SHORT IN CAN BUS WIRES (STEERING ANGLE SENSOR)
OK -- Continue to next step.

30. CHECK FOR SHORT IN CAN BUS WIRES (NO. 1 JUNCTION CONNECTOR - CENTER AIRBAG SENSOR)

(a) Disconnect the H119 No. 1 junction connector.





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

Standard Resistance:





Text in Illustration





NG -- CHECK FOR SHORT IN CAN BUS WIRES (CENTER AIRBAG SENSOR)

OK -- REPAIR OR REPLACE NO. 1 JUNCTION CONNECTOR

31. CHECK FOR SHORT IN CAN BUS WIRES (SUSPENSION CONTROL ECU)

(a) Disconnect the O18 suspension control ECU connector.





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

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO SUSPENSION CONTROL ECU (CANH, CANL)

OK -- REPLACE SUSPENSION CONTROL ECU Removal

32. CHECK FOR SHORT IN CAN BUS WIRES (COMBINATION METER ECU)

(a) Disconnect the H37 combination meter ECU connector.





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

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN MAIN WIRE CONNECTED TO COMBINATION METER ECU (CANH, CANL)

OK -- REPLACE COMBINATION METER ASSEMBLY Removal

33. CHECK FOR SHORT IN CAN BUS WIRES (DISTANCE CONTROL ECU)

(a) Disconnect the A43 distance control ECU connector.





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

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO DISTANCE CONTROL ECU (CANH, CANL)

OK -- REPLACE DISTANCE CONTROL ECU Removal

34. CHECK FOR SHORT IN CAN BUS WIRES (POWER STEERING ECU)

(a) Disconnect the H117 power steering ECU connector.





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

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO POWER STEERING ECU (CANH, CANL)

OK -- REPLACE POWER STEERING ECU Removal

35. CHECK FOR SHORT IN CAN BUS WIRES (MAIN BODY ECU)

(a) Disconnect the H2 main body ECU connector.





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

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO MAIN BODY ECU (CANH, CANL)

OK -- REPLACE MAIN BODY ECU

36. CHECK FOR SHORT IN CAN BUS WIRES (SKID CONTROL ECU)

(a) Disconnect the A19 skid control ECU connector.





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

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO SKID CONTROL ECU (CANH, CANL)

OK -- REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY Removal

37. CHECK FOR SHORT IN CAN BUS WIRES (STEERING ANGLE SENSOR)

(a) Disconnect the H6 steering angle sensor connector.





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

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO STEERING ANGLE SENSOR (CANH, CANL)

OK -- REPLACE STEERING ANGLE SENSOR Removal

38. CHECK FOR SHORT IN CAN BUS WIRES (CENTER AIRBAG SENSOR)

(a) Disconnect the H56 center airbag sensor connector.





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

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BRANCH WIRE CONNECTED TO CENTER AIRBAG SENSOR (CANH, CANL)

OK -- REPLACE CENTER AIRBAG SENSOR Removal