Toyota CH-R Service Manual: Fail-safe Chart

FAIL-SAFE CHART

AUTOMATIC HIGH BEAM SYSTEM

(a) The main body ECU (multiplex network body ECU) operates in fail-safe mode if an abnormal condition such as those listed below has been detected.

Item

Abnormality Detection Condition

Return Condition

Warning (Multi-information Display)

Yaw Rate Signal Malfunction

Normal yaw rate signal is not detected.

Normal yaw rate signal is detected.

"Headlight System Malfunction Visit Your Dealer" displayed

Speed Sensor Signal Malfunction

Normal speed sensor signal is not detected.

Normal speed sensor signal is detected.

"Headlight System Malfunction Visit Your Dealer" displayed

CAN Communication System Malfunction

Normal CAN communication system is not detected.

Normal CAN communication system is detected.

"Headlight System Malfunction Visit Your Dealer" displayed

Forward Recognition Camera Signal Malfunction

Normal forward recognition camera signal is not detected.

Normal forward recognition camera signal is detected.

"Headlight System Malfunction Visit Your Dealer" displayed

    Data List / Active Test
    DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when decidi ...

    Diagnostic Trouble Code Chart
    DIAGNOSTIC TROUBLE CODE CHART Automatic High Beam System DTC No. Detection Item Link B124B Automatic High Beam System ...

    Other materials:

    Toyota CH-R Service Manual > Can Communication System: Open in One Side of Bus 1 Branch Line
    DESCRIPTION When the CAN bus main lines are normal (no open, short to ground, short to +B or short between lines) and there is an ECU or sensor on the "Communication Bus Check" screen that is indicated as not communicating or whose connection status on the "Communication Bus Ch ...

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