CAN COMMUNICATION SYSTEM (for LHD) 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 List of Check CAN Bus Line
Symptom Suspected Area See page
Result of "How to proceed with Troubleshooting" is "Open in CAN Main Wire" Open in CAN Main Wire

Click here

Result of "How to Proceed with Troubleshooting" is "Short in CAN Bus Lines" Short in CAN Bus Lines

Click here

Result of "How to Proceed with Troubleshooting" is "Short to B+ in CAN Bus Line" Short to B+ in CAN Bus Line

Click here

Result of "How to Proceed with Troubleshooting" is "Short to GND in CAN Bus Line" Short to GND in CAN Bus Line

Click here

Result of "How to Proceed with Troubleshooting" is "Open in One Side of CAN Branch Line" Open in One Side of CAN Branch Line

Click here

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

Click here

"Air Conditioning Amplifier" is not displayed on intelligent tester Air Conditioning Amplifier Communication Stop Mode

Click here

"ECM (Engine)" 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

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

Click here

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

Click here

"Electric Power Control" is not displayed on the intelligent tester Electric Power Control ECU Communication Stop Mode

Click here

"Headlight swivel (AFS)" is not displayed on the intelligent tester AFS ECU Communication Stop Mode

Click here

"Display and Navigation (AVN1)" is not displayed on the intelligent tester Multi-media Module Receiver Assembly Communication Stop Mode

Click here