Part 2

NETWORKING: CAN COMMUNICATION SYSTEM: Check CAN Bus Lines for Short Circuit
- Check CAN Bus Lines for Short Circuit - (Continued)

13. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 1 JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER)

(a) Disconnect the air conditioning amplifier connector.





Text in Illustration





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





Text in Illustration





HINT
The resistance must be measured after the CAN No. 1 junction connector is disconnected.

Standard Resistance:





NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER)
OK -- Continue to next step.

14. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 1 JUNCTION CONNECTOR - 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.





Text in Illustration





HINT
The resistance must be measured after the CAN No. 1 junction connector is disconnected.

Standard Resistance:





NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - MAIN BODY ECU)
OK -- Continue to next step.

15. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 1 JUNCTION CONNECTOR - 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.





Text in Illustration





HINT
The resistance must be measured after the CAN No. 1 junction connector is disconnected.

Standard Resistance:





NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - YAW RATE SENSOR)
OK -- Continue to next step.

16. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 1 JUNCTION CONNECTOR - ACCESSORY GATEWAY)

(a) w/ remote engine starter:





Text in Illustration





(1) Disconnect the accessory gateway connector from the accessory.

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





Text in Illustration





HINT
The resistance must be measured after the CAN No. 1 junction connector is disconnected.

Standard Resistance:





Result:





B -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - ACCESSORY GATEWAY)
A -- Continue to next step.

17. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 1 JUNCTION CONNECTOR)

(a) Reconnect the CAN No. 1 junction connector and CAN No. 2 junction connector.

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





Text in Illustration





HINT
* The resistance must be measured after the main wire connected ECU (ECM and combination meter), CAN No. 1 and No. 2 junction connectors are reconnected.
* The resistance must be measured after the all branch wire connected ECU and sensor connectors are disconnected.

Standard Resistance:





NG -- REPLACE JUNCTION CONNECTOR (CAN No.1)
OK -- Continue to next step.

18. CHECK FOR SHORT IN CAN BUS WIRES (4WD CONTROL ECU)

(a) Reconnect the 4WD control ECU connector.

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





Text in Illustration





HINT
The resistance must be measured after the 4WD control ECU, main wire connected ECU (ECM and combination meter), CAN No. 1 and No. 2 junction connectors are reconnected.

Standard Resistance:





NG -- REPLACE 4WD CONTROL ECU Removal
OK -- Continue to next step.

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

(a) Reconnect the steering angle sensor connector.

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





Text in Illustration





HINT
The resistance must be measured after the steering angle sensor, main wire connected ECU (ECM and combination meter), CAN No. 1 and No. 2 junction connectors are reconnected.

Standard Resistance:





NG -- REPLACE STEERING ANGLE SENSOR Removal
OK -- Continue to next step.

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

(a) Reconnect the power steering ECU connector.

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





Text in Illustration





HINT
The resistance must be measured after the power steering ECU, main wire connected ECU (ECM and combination meter), CAN No. 1 and No. 2 junction connectors are reconnected.

Standard Resistance:





NG -- REPLACE POWER STEERING ECU Removal
OK -- Continue to next step.

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

(a) Reconnect the center airbag sensor assembly connector.

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





Text in Illustration





HINT
The resistance must be measured after the center airbag sensor assembly, main wire connected ECU (ECM and combination meter), CAN No. 1 and No. 2 junction connectors are reconnected.

Standard Resistance:





NG -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY Removal
OK -- Continue to next step.

22. CHECK FOR SHORT IN CAN BUS WIRES (AIR CONDITIONING AMPLIFIER)

(a) Reconnect the air conditioning amplifier connector.

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





Text in Illustration





HINT
The resistance must be measured after the air conditioning amplifier, main wire connected ECU (ECM and combination meter), CAN No. 1 and No. 2 junction connectors are reconnected.

Standard Resistance:





NG -- REPLACE AIR CONDITIONING AMPLIFIER Removal
OK -- Continue to next step.

23. CHECK FOR SHORT IN CAN BUS WIRES (ACCESSORY GATEWAY)

HINT
For vehicles without the remote engine starter, go to the next step.

(a) Reconnect the accessory gateway connector.

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





Text in Illustration





HINT
The resistance must be measured after the accessory , main wire connected ECU (ECM and combination meter), CAN No. 1 and No. 2 junction connectors are reconnected.

Standard Resistance:





NG -- REPLACE THE ACCESSORY
OK -- Continue to next step.

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

(a) Reconnect the main body ECU connector.

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





Text in Illustration





HINT
The resistance must be measured after the main body ECU, main wire connected ECU (ECM and combination meter), CAN No. 1 and No. 2 junction connectors are reconnected.

Standard Resistance:





NG -- REPLACE MAIN BODY ECU

OK -- REPLACE YAW RATE SENSOR Removal

25. CHECK FOR SHORT IN CAN BUS WIRES (COMBINATION METER MAIN WIRE)

(a) Disconnect the combination meter ECU connector.





Text in Illustration





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





HINT
The resistance must be measured after the CAN No. 1 junction connector is disconnected.

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN MAIN WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - COMBINATION METER)

OK -- REPLACE COMBINATION METER Removal