CAN COMMUNICATION SYSTEM (for LHD with Entry and Start System) PROBLEM SYMPTOMS TABLE

Tech Tips


  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Result of CAN V1 Bus Check
Symptom Suspected Area See page
Open in CAN Main Bus Line. CAN Main Bus Line

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Short in CAN Bus Lines. CAN Bus Lines

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Short to +B in CAN Bus Line. CAN Bus Line

Click here

Short to GND in CAN Bus Line. CAN Bus Line

Click here

Open in One Side of CAN Branch Line. CAN Branch Line

Click here

Tech Tips

Refer to How to Proceed with Troubleshooting for the CAN V1 Bus Check procedure.

Communication Stop Mode Table
Symptom Suspected Area See page
"Skid Control (ABS/VSC/TRAC)" is not displayed on the intelligent tester. Skid Control ECU Communication Stop Mode

Click here

"PPS" is not displayed on the intelligent tester. Power Steering ECU Communication Stop Mode

Click here

"Spiral cable (Steering Angle Sensor)" is not displayed on the intelligent tester. Steering Angle Sensor Communication Stop Mode

Click here

"Yaw Rate Sensor" is not displayed on the intelligent tester. Yaw Rate Sensor Communication Stop Mode

Click here

"ECM (Engine)" and/or "TCM" is not displayed on the intelligent tester. ECM Communication Stop Mode

Click here

"Main Body" is not displayed on the intelligent tester. Main Body ECU Communication Stop Mode

Click here

"Power Management1" is not displayed on the intelligent tester. Power Management Control ECU Communication Stop Mode

Click here

"Combination Meter" is not displayed on the intelligent tester. Combination Meter ECU Communication Stop Mode

Click here

"Certification (Smart)" is not displayed on the intelligent tester. Certification ECU Communication Stop Mode

Click here

"Airbag" is not displayed on the intelligent tester. Center Airbag Sensor Communication Stop Mode

Click here

"Display and Navigation (AVN)" is not displayed on the intelligent tester. Display and Navigation Assembly Communication Stop Mode

Click here

"Four Wheel Drive Control" is not displayed on the intelligent tester. 4WD Control ECU Communication Stop Mode

Click here