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Home >> Toyota >> 2014 >> Corolla L, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - (W/O Central Gateway Ecu) - Diagnostics - Introduction (1 Of 2) (Model Code: ZRE172) >> CAN COMMUNICATION SYSTEM (W/O Central Gateway ECU) >> Problem Symptoms Table [08/2016 - ] >> Problem Symptoms Table [08/2016 - ]
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Problem Symptoms Table [08/2016 - ]

HINT: 

RESULT LIST OF HOW TO PROCEED WITH TROUBLESHOOTING

Symptom Suspected Area Link
The result of "How to Proceed with Troubleshooting" is "Open in CAN Main Bus Line". Open in CAN Main Bus Line (Includes DLC3 branch lines and terminating resistors) Refer to Open in CAN Main Bus Line [08/2016 - ]
The result of "How to Proceed with Troubleshooting" is "Short in CAN Bus Lines". Short in CAN Bus Lines Refer to Check CAN Bus Lines for Short Circuit [08/2016 - 08/2017] Refer to Check CAN Bus Lines for Short Circuit [08/2017 - ]
The result of "How to Proceed with Troubleshooting" is "Short to +B in CAN Bus Line". Short to +B in CAN Bus Line Refer to Check CAN Bus Line for Short to +B [08/2016 - 08/2017] Refer to Check CAN Bus Line for Short to +B [08/2017 - ]
The result of "How to Proceed with Troubleshooting" is "Short to GND in CAN Bus Line". Short to GND in CAN Bus Line Refer to Check CAN Bus Line for Short to GND [08/2016 - 08/2017] Refer to Check CAN Bus Line for Short to GND [08/2017 - ]
The result of "How to Proceed with Troubleshooting" is "Open in One Side of CAN Branch Line". Open in One Side of CAN Branch Line Refer to Open in One Side of CAN Branch Line [08/2016 - 08/2017] Refer to Open in One Side of CAN Branch Line [08/2017 - ]

HINT: 

Refer to How to Proceed with Troubleshooting for the V bus check procedure.

COMMUNICATION STOP MODE TABLE

Symptom Suspected Area Link
"Skid Control (ABS/VSC/TRAC)" is not displayed on the Techstream. Brake Actuator (Skid Control ECU) Communication Stop Mode Refer to Brake Actuator (Skid Control ECU) Communication Stop Mode [08/2015 - 08/2017] Refer to Brake Actuator (Skid Control ECU) Communication Stop Mode [08/2017 - ]
"Air Conditioning Amplifier" is not displayed on the Techstream. Air Conditioning Amplifier Communication Stop Mode Refer to Air Conditioning Amplifier Communication Stop Mode [08/2016 - ]
"Power Steering (EPS)" is not displayed on the Techstream. Power Steering ECU Communication Stop Mode Refer to Power Steering ECU Communication Stop Mode [08/2013 - ]
"Spiral cable (Steering Angle Sensor)" is not displayed on the Techstream. Steering Angle Sensor Communication Stop Mode Refer to Steering Angle Sensor Communication Stop Mode [08/2013 - ]
"ECM (Engine)" and "VALVEMATIC Driver"*1 are not displayed on the Techstream. ECM Communication Stop Mode Refer to ECM Communication Stop Mode [08/2016 - ]
"Main Body" is not displayed on the Techstream. Main Body ECU Communication Stop Mode Refer to Main Body ECU Communication Stop Mode [08/2013 - ]
"Combination Meter" is not displayed on the Techstream. Combination Meter ECU Communication Stop Mode Refer to Combination Meter ECU Communication Stop Mode [08/2013 - ]
"Certification (Smart)" is not displayed on the Techstream. Certification ECU Communication Stop Mode Refer to Certification ECU Communication Stop Mode [08/2013 - ]
"Airbag" is not displayed on the Techstream. Center Airbag Sensor Communication Stop Mode Refer to Center Airbag Sensor Communication Stop Mode [08/2013 - ]
"Display and Navigation (AVN1)" is not displayed on the Techstream.*2 Navigation Receiver Assembly Communication Stop Mode Refer to Navigation Receiver Assembly Communication Stop Mode [08/2013 - ]
"Display and Navigation (AVN1)" is not displayed on the Techstream.*3 Radio Receiver Assembly Communication Stop Mode Refer to Radio Receiver Assembly Communication Stop Mode [08/2013 - ]

HINT: 

Symptom Suspected Area Link
Although CAN communication (V bus) is currently normal, ECUs connected to the V bus store CAN communication DTCs. The probable part for which communication is interrupted can be determined using DTC combination table and comparing the DTCs output from ECUs connected to the CAN communication system. Refer to DIAGNOSIS SYSTEM [08/2016 - 08/2017] Refer to DIAGNOSIS SYSTEM [08/2017 - ]