Toyota Yaris: Dynamic Radar Cruise Control System / Diagnosis System

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Engine & Hybrid System / Cruise Control / 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.

Cruise Control Indicator

(Constant Speed Control Mode)

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

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

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:

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Parts Location

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Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FRONT LOWER BALL JOINT ASSEMBLY (a) Check for looseness. (1) Lift up the vehicle. (2) Move the front lower No. 1 suspension arm sub-assembly up and down by hand with a force of 294 N (30 kgf) or more to check that there is no looseness at the front lower ball joint assembly...