Toyota Yaris: Lane Tracing Assist System / Dtc Check / Clear
DTC CHECK / CLEAR
CHECK DTC
(a) Check for DTCs (Test Failed / Pending / Confirmed).
Chassis > Lane Control > Trouble Codes
GTS Display | Description |
Test Failed | Represent malfunctions that were detected during the current trip. |
Pending | Represent malfunctions which have occurred since the DTCs were last cleared but have not been confirmed. |
Confirmed | Represent malfunctions which have occurred since the DTCs were last cleared and have been confirmed. (The number of trips since the DTC was stored may differ for each DTC.) |
HINT:
Freeze frame data is stored respectively for pending DTCs, confirmed DTCs and the latest DTCs.
CLEAR DTC
(a) Clear the DTCs.
Chassis > Lane Control > Clear DTCs
HINT:
Clearing the DTCs will also clear the freeze frame data.
TERMINALS OF ECU NOTICE:
DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the GTS once the inspection has been completed...
FREEZE FRAME DATA DESCRIPTION (a) Whenever a lane tracing assist system DTC is stored, the forward recognition camera stores the current vehicle state (ECU and sensor information) as Freeze Frame Data...
Other information:
DESCRIPTION The AWD ECU assembly receives signals from the ECM, steering sensor and skid control ECU (brake actuator assembly) via CAN communication. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory U010087 Lost Communication with ECM/PCM "A" Missing Message When the ignition switch is ON, the IG1 terminal voltage is 10 V or more and the vehicle speed is 60 km/h (37 mph) or more, signals cannot be received from the ECM for 1 second or more
CAN communication system
AWD ECU assembly
ECM
Displayed Yes U012687 Lost Communication with Steering Angle Sensor Module Missing Message
When the following continues:
When the IG1 terminal voltage is 10 V or more, communication with the steering sensor is impossible for 1 second or more
When the IG1 terminal voltage is 10 V or more, a condition in which communication with the steering sensor is impossible occurs 1 time or more within a 5-second period, and this occurs 10 times within 60 seconds
CAN communication system
AWD ECU assembly
Steering sensor
Displayed Yes U012987 Lost Communication with Brake System Control Module Missing Message When the IG1 terminal voltage is 10 V or more, communication with the skid control ECU (brake actuator assembly) is impossible for 3 seconds or more
CAN communication system
AWD ECU assembly
Skid control ECU (Brake actuator assembly)
Displayed Yes PROCEDURE 1...
CAUTION / NOTICE / HINT HINT: *: Use the GTS. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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2. CUSTOMER PROBLEM ANALYSIS HINT:
In troubleshooting, confirm that the problem symptoms have been accurately identified...
Categories
Before refueling, close all the doors, windows, and the liftgate/trunk
lid, and switch the ignition OFF.
To open the fuel-filler lid, pull
the remote fuel-filler lid release.

To remove the fuel-filler cap, turn it counterclockwise.
Attach the removed cap to the
inner side of the fuel-filler lid.
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