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:
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the LH side and RH side.
The following procedure is for the LH side.
PROCEDURE 1. INSTALL FRONT DOOR LOCK/UNLOCK KNOB INSIDE LOCKING CABLE (a) Engage the guide to install the front door lock/unlock knob inside locking cable to the front door with motor lock assembly...
DESCRIPTION The throttle position sensor is built into the throttle body with motor assembly and detects the opening angle of the throttle valve. This sensor is a non-contact type sensor. It uses Hall-effect elements in order to yield accurate signals even in extreme driving conditions, such as at high speeds as well as very low speeds...
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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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