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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 Line For Short to +B >> Part 2

Part 2








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

Check CAN Bus Line for Short to +B

(CONTINUED)

8. CHECK FOR SHORT TO +B IN CAN BUS WIRE (CAN NO. 1 JUNCTION CONNECTOR - 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





Result:





C -- REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - ECM)
B -- REPLACE ECM
A -- REPLACE ECM
9. CHECK FOR SHORT TO +B IN CAN BUS WIRE (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.
Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 1 JUNCTION CONNECTOR - AIR CONDITIONING AMPLIFIER)
OK -- REPLACE AIR CONDITIONING AMPLIFIER
10. CHECK FOR SHORT TO +B IN CAN BUS WIRE (CAN NO. 1 JUNCTION CONNECTOR - 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 JUNCTION CONNECTOR - POWER MANAGEMENT CONTROL ECU)
OK -- REPLACE POWER MANAGEMENT CONTROL ECU
11. CHECK FOR SHORT TO +B IN CAN BUS WIRE (CAN NO. 1 JUNCTION CONNECTOR - 4WD CONTROL ECU)




(a) Disconnect the 4WD 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 JUNCTION CONNECTOR - 4WD CONTROL ECU)
OK -- REPLACE 4WD CONTROL ECU
12. CHECK FOR SHORT TO +B IN CAN BUS WIRE (CAN NO. 2 JUNCTION CONNECTOR - 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. 2 JUNCTION CONNECTOR - CENTER AIRBAG SENSOR ASSEMBLY)
OK -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY
13. CHECK FOR SHORT TO +B 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 -- REPLACE YAW RATE SENSOR
14. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (CAN NO. 2 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.
Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CAN NO. 2 JUNCTION CONNECTOR - MAIN BODY ECU)
OK -- REPLACE MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)
15. CHECK FOR SHORT TO B+ 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 -- REPLACE STEERING ANGLE SENSOR
16. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (CAN NO. 2 JUNCTION CONNECTOR - POWER STEERING ECU)




(a) Disconnect the power steering 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 - POWER STEERING ECU)
OK -- REPLACE POWER STEERING ECU
17. CHECK FOR SHORT TO B+ IN CAN BUS WIRE (CAN NO. 2 JUNCTION CONNECTOR - COMBINATION METER)




(a) Disconnect the combination meter 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 JUNCTION CONNECTOR - COMBINATION METER)
OK -- REPLACE COMBINATION METER
18. CHECK FOR SHORT TO B+ 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 -- REPLACE SMART KEY ECU ASSEMBLY (CERTIFICATION ECU)
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