LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2012 >> Prius Two >> Repair and Diagnosis (Single Page) >> External Pages >> Different variant/trim >> Section 53 (Can Communication System (Plug-In) (Diagnostics - Introduction)) >> Can Communication System >> Problem Symptoms Table >> Problem Symptoms Table
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Problem Symptoms Table

WARNING: This page is about a different variant/trim than selected.

HINT: 

RESULT OF V1 BUS CHECK

Symptom Suspected Area See
Open in CAN Main Bus Wire CAN Main Bus Wire Refer to Open in CAN Main Bus Line
Short in CAN Bus Wires CAN Bus Wires Refer to Check CAN Bus Lines for Short Circuit
Short to +B in CAN Bus Wire CAN Bus Wire Refer to Check CAN Bus Line for Short to +B
Short to GND in CAN Bus Wire CAN Bus Wire Refer to Check CAN Bus Line for Short to GND
Open in One Side of CAN Main Bus Branch Wire CAN Main Bus Branch Wire Refer to Open in One Side of CAN Branch Line

HINT: 

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

COMMUNICATION STOP MODE TABLE

Symptom Suspected Area See
"Skid Control (ABS/VSC/TRAC)" is not displayed on the Techstream. Skid Control ECU Communication Stop Mode Refer to Skid Control ECU Communication Stop Mode
"Power Steering (EPS)" is not displayed on the Techstream. Power Steering ECU Communication Stop Mode Refer to Power Steering ECU Communication Stop Mode
"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
"Yaw Rate Sensor" is not displayed on the Techstream. Yaw Rate Sensor Communication Stop Mode Refer to Yaw Rate Sensor Communication Stop Mode
"ECM (Engine)" is not displayed on the Techstream. ECM Communication Stop Mode Refer to ECM Communication Stop Mode
"Plug-in Control" is not displayed on the Techstream. Plugin Charge Control ECU Communication Stop Mode Refer to Plugin Charge Control ECU Communication Stop Mode
"Main Body" is not displayed on the Techstream. Main Body ECU Communication Stop Mode Refer to Main Body ECU Communication Stop Mode
"Hybrid Vehicle Control" and "Power Management1" are not displayed on the Techstream. Power Management Control ECU Communication Stop Mode Refer to Power Management Control ECU Communication Stop Mode
"Combination Meter" is not displayed on the Techstream. Combination Meter ECU Communication Stop Mode Refer to Combination Meter ECU Communication Stop Mode
"Certification (Smart)" is not displayed on the Techstream. Certification ECU Communication Stop Mode Refer to Certification ECU Communication Stop Mode
"Display and Navigation (AVN1)" is not displayed on the Techstream. Navigation ECU Communication Stop Mode Refer to Navigation ECU Communication Stop Mode
"Display and Navigation (AVN1)" is not displayed on the Techstream. Audio Receiver Assembly Communication Stop Mode Refer to Audio Receiver Assembly Communication Stop Mode
"DCM" is not displayed on the Techstream. DCM Communication Stop Mode Refer to DCM Communication Stop Mode