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Home >> Toyota >> 2009 >> Venza AWD V6-3.5L (2GR-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Component Tests and General Diagnostics >> Check CAN Bus Lines For Short Circuit >> Part 2

Part 2








NETWORKING: CAN COMMUNICATION SYSTEM: Check CAN Bus Lines for Short Circuit

Check CAN Bus Lines for Short Circuit

(CONTINUED)

14. CHECK FOR SHORT IN CAN BUS WIRE (CAN NO. 2 JUNCTION CONNECTOR - COMBINATION METER)




(a) 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)
OK -- Continue to next step.

15. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 2 JUNCTION CONNECTOR - CENTER AIRBAG SENSOR ASSEMBLY)




(a) Disconnect the center airbag sensor assembly connector (D6).

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 JUNCTION CONNECTOR - CENTER AIRBAG SENSOR ASSEMBLY)
OK -- Continue to next step.

16. CHECK FOR SHORT IN CAN BUS WIRE (CAN NO. 2 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.
Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 2 JUNCTION CONNECTOR - YAW RATE SENSOR)
OK -- Continue to next step.

17. CHECK FOR SHORT IN CAN BUS WIRE (CAN NO. 2 JUNCTION CONNECTOR - STEERING ANGLE SENSOR)




(a) Disconnect the steering angle 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. 2 JUNCTION CONNECTOR - STEERING ANGLE SENSOR)
OK -- Continue to next step.

18. CHECK FOR SHORT IN CAN BUS WIRE (CAN NO. 2 JUNCTION CONNECTOR - POWER STEERING ECU)




(a) Disconnect the power steering ECU connector (D20).

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 JUNCTION CONNECTOR - POWER STEERING ECU)
OK -- Continue to next step.

19. CHECK FOR SHORT IN CAN BUS WIRE (CAN NO. 2 JUNCTION CONNECTOR - MAIN BODY ECU)




(a) Disconnect the main body ECU connector (D48).

Text in Illustration








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





Text in Illustration





Result:





C -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 2 JUNCTION CONNECTOR - MAIN BODY ECU)
B -- CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 2 JUNCTION CONNECTOR)
A -- Continue to next step.

20. CHECK FOR SHORT IN CAN BUS WIRE (CAN NO. 2 JUNCTION CONNECTOR - 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 BRANCH WIRE OR CONNECTOR (CAN NO. 2 JUNCTION CONNECTOR - CERTIFICATION ECU)
OK -- Continue to next step.

21. CHECK FOR SHORT IN CAN BUS WIRES (CAN NO. 2 JUNCTION CONNECTOR)
(a) Reconnect the CAN No. 2 junction connector.




(b) Measure the resistance according to the value(s) in the table below.
NOTICE: The resistance must be measured after the main wire connected ECUs (ECM and combination meter), and CAN No. 1 and No. 2 junction connectors are reconnected.

Standard Resistance:





Text in Illustration





NG -- REPLACE CAN NO. 2 JUNCTION CONNECTOR
OK -- Continue to next step.

22. 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.
Standard Resistance:





Text in Illustration





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

23. CHECK FOR SHORT IN CAN BUS WIRES (YAW RATE SENSOR)
(a) Reconnect the yaw rate sensor connector.




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





Text in Illustration





NG -- REPLACE YAW RATE SENSOR
OK -- Continue to next step.

24. 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.
Standard Resistance:





Text in Illustration





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

25. CHECK FOR SHORT IN CAN BUS WIRE (POWER STEERING ECU)
(a) Reconnect the power steering ECU connector.




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





Text in Illustration





Result:





C -- REPLACE POWER STEERING ECU
B -- REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)
A -- Continue to next step.

26. 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.
Standard Resistance:





Text in Illustration





NG -- REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)
OK -- REPLACE SMART KEY ECU ASSEMBLY (CERTIFICATION ECU)
27. CHECK FOR SHORT IN CAN BUS WIRES (COMBINATION METER)




(a) Disconnect the combination meter connector (E1).

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 JUNCTION CONNECTOR - COMBINATION METER)
OK -- REPLACE COMBINATION METER
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