Toyota CH-R Service Manual: Fail-safe Chart

FAIL-SAFE CHART

RAIN SENSOR FAIL-SAFE FUNCTION

(a) The windshield wiper switch assembly performs the fail-safe function when the wiper system cannot properly receive the necessary signals for wiper system control or a wiper system component is malfunctioning.

Item

Fail-safe Function

Conditions to Return to Normal Condition

Rain sensor LIN communication error

Continues control according to the conditions detected before the malfunction

LIN communication returns to normal.

Rain sensor voltage is too low

Rain sensor voltage returns to normal.

Abnormal rain sensor signal

Performs intermittent operation according to the position of the auto sensitivity adjustment switch.

The rain sensor returns to normal.

The rain sensor temperature is too high (90°C (194°F) or higher).

Stops the wiper operation

The rain sensor temperature is too low (-15°C (5°F) or lower).

    Terminals Of Ecu
    TERMINALS OF ECU CHECK WINDSHIELD WIPER RELAY ASSEMBLY (w/ Rain Sensor) (a) Disconnect the F56 windshield wiper relay assembly connector. (1) Measure the voltage and resistance on the wire harnes ...

    Data List / Active Test
    DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any part ...

    Other materials:

    Toyota CH-R Service Manual > Steering Wheel: Installation
    INSTALLATION CAUTION / NOTICE / HINT NOTICE: Do not replace the spiral cable with sensor sub-assembly with the battery connected and the ignition switch ON. Do not rotate the spiral cable with sensor sub-assembly without the steering wheel assembly installed with the battery c ...

    Toyota CH-R Service Manual > Continuously Variable Transaxle System: Diagnosis System
    DIAGNOSIS SYSTEM OBD II (w/ Canister Pump Module) (a) When troubleshooting OBD II (On-Board Diagnostics) vehicles, an OBD II scan tool (complying with SAE J1978) must be connected to the DLC3 (Data Link Connector 3) of the vehicle. Various data in the vehicle ECM (Engine Control Module) can be ...

    Toyota C-HR (AX20) 2023-2025 Owner's Manual

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2025 Copyright www.tochr.net
    0.0125