Toyota Yaris: Front Radar Sensor System / Diagnosis System
DIAGNOSIS SYSTEM
DIAGNOSIS FUNCTION
(a) If a malfunction is detected in the millimeter wave radar sensor assembly, the millimeter wave radar sensor assembly stores DTCs without directly informing the driver, and sends malfunction signals to the systems that use the millimeter wave radar sensor assembly.
Those systems then notify the driver.
HINT:
Refer to "HOW TO PROCEED WITH TROUBLESHOOTING" when troubleshooting for the Pre-collision System.
Click here
TERMINALS OF ECU NOTICE:
Turning the ignition switch to ON with connectors disconnected may cause DTCs to be stored. Make sure to clear the DTCs after inspection has been performed...
DTC CHECK / CLEAR CHECK DTC (a) Check for DTCs (Test Failed / Pending / Confirmed). Body Electrical > Front Radar Sensor > Trouble Codes GTS Display Description Test Failed Represent malfunctions that were detected during the current trip...
Other information:
TERMINALS OF ECU COMBINATION METER ASSEMBLY
(a) Measure the voltage and resistance and check for pulses according to the value(s) in the table below. Terminal No. (Symbol) Terminal Description Condition Specified Condition H6-1 (B) - Body ground Auxiliary battery Ignition switch off 11 to 14 V H6-9 (CANH) CAN communication line - - H6-10 (MSCL) Local bus communication line - - H6-11 (TX1-) - Body ground Outside temperature sensor signal - - H6-13 (FR2) - H6-24 (FE&B) Fuel level signal Ignition switch ON, fuel level full → low (fuel level warning light on) Pulse generation (See waveform 3) H6-14 (FV) - Body ground Fuel sender gauge (Power source) Ignition switch ON Pulse generation (See waveform 1) H6-15 (MSTI) - Body ground Steering pad switch signal Ignition switch ON, up, down, right and left switches on steering pad switch not pushed 4...
ComponentsCOMPONENTS ILLUSTRATION
*1 CENTER LOWER INSTRUMENT COVER *2 LOWER INSTRUMENT PANEL FINISH PANEL *3 ENGINE SWITCH - - RemovalREMOVAL PROCEDURE 1. REMOVE CENTER LOWER INSTRUMENT COVER Click here
2. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL Click here
3...
Categories
WARNING
Never allow a person to ride in the luggage compartment/trunk
Allowing a person to ride in the luggage compartment/trunk is
dangerous.
The person in the luggage compartment/trunk could be seriously injured or
killed during sudden braking or a collision.
Do not drive with the liftgate/trunk lid open
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