Operation CHARM: Car repair manuals for everyone.

Part 2





NETWORKING: CAN COMMUNICATION SYSTEM: Short to B+ in CAN Bus Line
- Short to B+ in CAN Bus Line - Continued

21. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (COMBINATION METER ECU)

OK -- REPAIR OR REPLACE NO. 4 JUNCTION CONNECTOR

22. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (COMBINATION METER ECU)
OK -- Continue to next step.

24. SYSTEM CHECK

(a) Check the vehicle specifications.

Result





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

25. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (DISTANCE CONTROL ECU)
OK -- Continue to next step.

26. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (POWER STEERING ECU)
OK -- Continue to next step.

27. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (MAIN BODY ECU)
OK -- Continue to next step.

28. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (SKID CONTROL ECU)
OK -- Continue to next step.

29. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (STEERING ANGLE SENSOR)
OK -- Continue to next step.

30. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (CENTER AIRBAG SENSOR)

OK -- REPAIR OR REPLACE NO. 1 JUNCTION CONNECTOR

31. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (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 TO B+ IN CAN BUS WIRE (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