Toyota Yaris: Can Communication System / ECM Communication Stop Mode

NOTICE:

• Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting using How to Proceed with Troubleshooting when CAN communication system related DTCs are output.

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• Before measuring the resistance of the CAN bus, turn the ignition switch off and leave the vehicle for 1 minute or more without operating the key or any switches, or opening or closing the doors. After that, disconnect the cable from the negative (-) auxiliary battery terminal and leave the vehicle for 1 minute or more before measuring the resistance.
• After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

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• When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

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• Some parts must be initialized and set when replacing or removing and installing parts.

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• After performing repairs, perform the DTC check procedure and confirm that the DTCs are not output again.

  DTC check procedure: Turn the ignition switch to ON and wait for 1 minute or more. Then operate the suspected malfunctioning system and drive the vehicle at 60 km/h (37 mph) or more for 5 minutes or more.

• After the repair, perform the CAN bus check and check that all the ECUs and sensors connected to the CAN communication system are displayed as normal.

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• Inspect the fuses for circuits related to this system before performing the following procedure.
• Before replacing the ECM, refer to Registration.

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HINT:

• Before disconnecting related connectors for inspection, push in on each connector body to check that the connector is not loose or disconnected.
• When a connector is disconnected, check that the terminals and connector body are not cracked, deformed or corroded.

Steering Angle Sensor Communication Stop Mode

DESCRIPTION Detection Item Symptom Trouble Area Steering Angle Sensor Communication Stop Mode Communication stop for "Spiral cable (Steering Angle Sensor)" is indicated on the "Communication Bus Check" screen of the GTS...

Main Body ECU Communication Stop Mode

DESCRIPTION Detection Item Symptom Trouble Area Main Body ECU Communication Stop Mode Communication stop for "Main Body" is indicated on the "Communication Bus Check" screen of the GTS...

Other information:

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Components

COMPONENTS ILLUSTRATION *1 LOWER INSTRUMENT PANEL FINISH PANEL *2 CENTER LOWER INSTRUMENT COVER *3 CONSOLE BOX ASSEMBLY *4 SHIFT LEVER KNOB SUB-ASSEMBLY *5 NO. 1 INSTRUMENT SIDE PANEL *6 SWITCH HOLE BASE SUB-ASSEMBLY *7 FRONT DOOR OPENING TRIM WEATHERSTRIP LH *8 COWL SIDE TRIM BOARD LH *9 FRONT DOOR SCUFF PLATE LH *10 NO...

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Components

COMPONENTS ILLUSTRATION *1 SHIFT GATE PIN *2 NO. 2 LOCK BALL ASSEMBLY *3 NO. 1 LOCK BALL ASSEMBLY *4 TRANSMISSION REVOLUTION SENSOR *5 TEMPERATURE SENSOR *6 NEUTRAL POSITION SWITCH *7 BACK-UP LAMP SWITCH ASSEMBLY *8 SELECTING BELL CRANK ASSEMBLY *9 CONTROL CABLE BRACKET *10 CLUTCH RELEASE CYLINDER WITH BEARING ASSEMBLY *11 CLUTCH TUBE BOOT *12 BLEEDER CLUTCH RELEASE TUBE *13 CLUTCH RELEASE BLEEDER SUB-ASSEMBLY *14 CLUTCH RELEASE BEARING PLATE *15 RELEASE CYLINDER BLEEDER PLUG *16 RELEASE CYLINDER BLEEDER PLUG CAP *17 NO...