Toyota Yaris: Dynamic Radar Cruise Control System / Diagnosis System
DIAGNOSIS SYSTEM
DIAGNOSIS FUNCTION
(a) The diagnosis function turns off the cruise control indicator and displays a warning message when a malfunction is detected. When a malfunction is detected in the dynamic radar cruise control system, DTCs are stored in the ECM or millimeter wave radar sensor assembly.
*a | Cruise Control Indicator (Constant Speed Control Mode) |
*b | Cruise Control Indicator (Vehicle-to-vehicle Distance Control Mode) |
NOTICE:
As data stored in the ECU will be cleared, do not remove any fuses or disconnect the cable from the negative (-) auxiliary battery terminal before the inspection is complete.
HINT:
When the system returns to normal, the warning message "Cruise Control Malfunction Visit Your Dealer" displayed on the multi-information display will be cleared.
TERMINALS OF ECU CHECK ECM
HINT: The standard voltage, resistance and waveform between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each pair of the terminals are also indicated...
DTC CHECK / CLEAR CHECK DTC (a) Check for DTCs (Test Failed / Pending / Confirmed). Powertrain > Radar Cruise1 > Trouble Codes Powertrain > Radar Cruise2 > Trouble Codes
Radar Cruise1: Stored in the ECM
Radar Cruise2: Stored in millimeter wave radar sensor assembly
GTS Display Description Test Failed Represent malfunctions that were detected during the current trip...
Other information:
Pregnant women should always wear seat belts. Ask your doctor for
specific recommendations.
The lap belt should be worn
SNUGLY AND AS LOW AS POSSIBLE OVER THE HIPS. The
shoulder belt should be worn
across your shoulder properly, but
never across the stomach area...
TERMINALS OF ECU CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND POWER DISTRIBUTION BOX ASSEMBLY
*1 Power Distribution Box Assembly *2 Main Body ECU (Multiplex Network Body ECU) (a) Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly...
Categories
Stop the vehicle completely.
Manual transaxle:
Shift into neutral and set the parking brake.
Automatic transaxle:
Shift the selector lever to the P position and set the parking brake.
Press the push button start to turn off the engine. The ignition position is
off.
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