Toyota Sienna Quiz
Can communication

Problem symptoms table

In this manual: Can communication
Introduction — 55Service specifications — 7Maintenance — 7Engine — 264U151e automatic transaxle — 108Transfer — 19Propeller shaft — 8Drive shaft — 14Differential — 16Axle — 18Suspension — 37Tire and wheel — 54Brake control — 141Parking brake — 16Steering Column — 11Power steering — 18Air conditioning — 106Supplemental restraint system — 146Seat belt — 22Theft deterrent — 14Engine immobiliser — 17Cruise control — 65Lighting — 61Wiper and washer — 13Door lock — 42Meter — 28Audio / visual — 94Navigation — 108Park assist / monitoring — 33Horn — 5Garage door opener — 42GR-FE Engine control system — 126Supplemental restraint system — 147Other system — 14Windshield / windowglass — 43Mirror — 23Instrument panel — 6Seat belt — 22Seat — 92Engine hood / door — 104Exterior — 39Interior — 5Sliding roof — 9Multiplex communication — 18Can communication — 23
~1min read

RESULT LIST OF CHECK CAN BUS LINE

Symptom

Suspected Area
All ECUs and sensors connected to the CAN communication system are not displayed on intelligent tester CAN Bus Line
The result of "CAN BUS WIRE CHECK" is "Open in CAN Main Bus Line". Open in CAN Main Bus Line
The result of "CAN BUS WIRE CHECK" is "Short in CAN Bus Lines". Short in CAN Bus Lines
The result of "CAN BUS WIRE CHECK" is "Short to B+ in CAN Bus Line". Short to B+ in CAN Bus Line
The result of "CAN BUS WIRE CHECK" is "Short to GND in CAN Bus Line". Short to GND in CAN Bus Line

COMMUNICATION STOP MODE TABLE

Symptom

Suspected Area
Engine not displayed on intelligent tester 1. ECM Communication Stop Mode
Gateway not displayed on intelligent tester 1. Gateway ECU Communication Stop Mode
ABS/ VSC/ TRC not displayed on intelligent tester. *1 1. Skid control ECU Communication Stop Mode
Yaw rate/ deceleration sensor not displayed intelligent tester. *1 1. Yaw Rate Sensor Communication Stop Mode
Steering angle sensor not displayed on intelligent tester. *1 1. Steering Angle Sensor Communication Stop Mode
Distance control not displayed on intelligent tester. *2 1. Distance Control ECU Communication Stop Mode

HINT:

  • *1: with VSC
  • *2: with Dynamic radar cruise control

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A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.