Toyota Yaris: Smart Key System (for Entry Function) / Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Entry and Start System (for Entry Function)
| DTC No. | Detection Item | Link |
| B27A113 | Driver Side Electrical Antenna Circuit Open |
|
| B27A213 | Front Passenger Side Electrical Antenna Circuit Open |
|
| B27A813 | Outside Luggage Compartment (Back Door) Electrical key Antenna Circuit Open |
|
DTC CHECK / CLEAR CHECK FOR DTC NOTICE:
When DTC is output, Be sure to confirm and record.
When using the GTS with the ignition switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1...
DESCRIPTION The certification ECU (smart key ECU assembly) generates a request signal and transmits the signal to the front door outside handle assembly LH (electrical key antenna) at intervals of 0...
Other information:
DIAGNOSTIC TROUBLE CODE CHART Power Steering System DTC No. Detection Item DTC Detection Condition Warning Indicate Return-to-normal Condition Note Link C05D604 Power Steering Control Module Processor System Internal Failure ECU internal malfunction (CPU malfunction) EPS warning light: Comes on Ignition switch ON again -
C05D646 Power Steering Control Module Processor Calibration / Parameter Memory Failure ECU internal malfunction (EEPROM error) EPS warning light: Comes on Ignition switch ON again -
C05D649 Power Steering Control Module Processor Internal Electronic Failure ECU internal malfunction (Peripheral circuit malfunction) EPS warning light: Comes on Ignition switch ON again -
C10001C Control Module Internal Temperature Sensor "A" Circuit Voltage Out of Range ECU temperature sensor "A" range malfunction EPS warning light: Comes on The ECU judges the system has returned to normal -
C123A17 Supply Voltage Circuit Circuit Voltage Above Threshold IG voltage is 18...
INSTALLATION CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. HINT:
Use the same procedure for the driver side and front passenger side.
The procedure listed below is for the driver side.
PROCEDURE 1...
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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