Toyota Yaris: Smart Key System (for Start Function) / Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
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When DTC is output, be sure to confirm and record.
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DTCs may have been stored due to problems unrelated to the steering lock function. Be sure to confirm and record any DTCs output for other systems.
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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 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Key. While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.
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The steering lock ECU (steering lock actuator or upper bracket assembly) does not store history DTCs. If any DTCs are output, confirm and record them as soon as possible. Do not turn the ignition switch off or clear the DTCs until the DTCs are confirmed and recorded.
CHECK FOR DTC
(a) Enter the following menus.
Body Electrical > Smart Key > Trouble Codes
(b) Enter the following menus.
Body Electrical > Power Source Control > Trouble Codes
(c) Enter the following menus.
Powertrain > Engine > Trouble Codes
(d) Check for DTCs.
Click here
HINT:
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The steering lock system DTCs are output from the steering lock ECU (steering lock actuator or upper bracket assembly) via the certification ECU (smart key ECU assembly).
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When any DTC is not output and security indicator light does not blink, problems may be caused by the following:
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Open in TC circuit between DLC3 connector and related ECU
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Malfunction of related ECU
CLEAR DTC
(a) Enter the following menus.
Body Electrical > Smart Key > Clear DTCs
(b) Enter the following menus.
Body Electrical > Power Source Control > Clear DTCs
(c) Enter the following menus.
Powertrain > Engine > Clear DTCs
(d) Clear the DTCs.
TERMINALS OF ECU CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disconnect the H45 and H46 certification ECU (smart key ECU assembly) connectors...
DATA LIST / ACTIVE TEST DATA LIST NOTICE:
In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not...
Other information:
DESCRIPTION The steering sensor receives the turn signal switch information and controls the turn signal lights. WIRING DIAGRAM
PROCEDURE 1. READ VALUE USING GTS (a) Read the Data List according to the display on the GTS. Chassis > Steering Angle Sensor > Data List Tester Display Measurement Item Range Normal Condition Diagnostic Note Turn Signal Switch (Right) Turn signal switch (right) signal OFF or ON OFF: Turn signal switch not in right turn position ON: Turn signal switch in right turn position - Turn Signal Switch (Left) Turn signal switch (left) signal OFF or ON OFF: Turn signal switch not in left turn position ON: Turn signal switch in left turn position - Cornering Light/Front Side Illuminate Light Switch Turn signal switch (full turn) signal OFF or ON OFF: Turn signal switch not in left or right turn position ON: Turn signal switch in left or right full turn position - OK: Normal conditions listed above are displayed...
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during engine unit removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/Replaced Replaced Part or Performed Procedure Necessary Procedure Effect/Inoperative Function when Necessary Procedure not Performed Link
Engine assembly
Cylinder head sub-assembly
Camshaft (for intake or exhaust camshaft)
Camshaft timing gear assembly
Camshaft timing exhaust gear assembly
Fuel injector assembly
Fuel pump (for low pressure side)
Fuel pump assembly (for high pressure side)
Fuel pressure sensor (for low pressure side)
Fuel pressure sensor (for high pressure side)
Spark plug
Ignition coil assembly
Air intake system parts
Exhaust system parts
Turbocharger sub-assembly
Inspection after repair
Poor idle, etc...
Categories
Smart key
Auxiliary key
Key code number plate
To use the auxiliary key, press the knob and pull out the auxiliary key
from the smart key.
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