Toyota CH-R Service Manual: Other System Malfunction (C1A63)

Toyota CH-R Service Manual / Pre-collision / Pre-collision System / Other System Malfunction (C1A63)


The millimeter wave radar sensor receives the throttle signal from the ECM and judges whether the driver is making an acceleration request.

When the ECM detects an electronic throttle malfunction, it informs the millimeter wave radar sensor via CAN communication and sets DTC C1A63.


Detection Item

DTC Detection Condition

Trouble Area


Other System Malfunction

With the ignition switch ON, the millimeter wave radar sensor receives an accelerator sensor malfunction signal from the ECM for approximately 2 seconds or more continuously.

SFI system




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