Toyota CH-R Service Manual: Fail-safe Chart

Toyota CH-R Service Manual / K114 Cvt / Continuously Variable Transaxle System / Fail-safe Chart

FAIL-SAFE CHART

Description

This function minimizes the loss of the Continuously Variable Transaxle (CVT) system functions when a malfunction occurs in a sensor or solenoid valve.

Fail-safe

(a) Fail-safe control list:

Malfunctioning Part

Function

Transmission revolution sensor (NT)

The oil pressure of the primary pulley and secondary pulley is set to a specified value. The opening angle of the throttle valve is limited to reduce input torque.

Transmission revolution sensor (NOUT)

Transmission revolution sensor (NIN)

Shift solenoid valve SL

The ECM stops sending current to the shift solenoid valve SL, and forward and reverse clutch control is performed mechanically. Lock-up clutch control is canceled.

Shift solenoid valve SC

The ECM stops sending current to the shift solenoid valve SC, and forward and reverse clutch control is performed mechanically. Lock-up clutch control is canceled.

Shift solenoid valve SLU

The ECM stops sending current to the shift solenoid valve SLU, and forward and reverse clutch control is performed mechanically. Lock-up clutch control is canceled.

Shift solenoid valve SLP

The gear ratio is limited to a specified range.

Shift solenoid valve SLS
  • The gear ratio is set to a specified value.
  • The lock-up range is limited to a particular range.

CVT fluid temperature sensor

The ECM sets the fluid temperature to a predetermined value to perform normal control.
    Check Mode Procedure
    CHECK MODE PROCEDURE DESCRIPTION (a) Check mode has a higher sensitivity to malfunctions and can detect malfunctions that cannot be detected in normal mode. Check mode can also detect all the malf ...

    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 > Fog Light Assembly: Inspection
    INSPECTION PROCEDURE 1. INSPECT FOG LIGHT ASSEMBLY LH (for LED Type) (a) Apply battery voltage to the fog light assembly LH and check that the light comes on. OK: Condition Specified Condition Battery positive (+) ...

    Toyota CH-R Service Manual > Lin Communication System: Parts Location
    PARTS LOCATION ILLUSTRATION *A w/ Double Locking System - - *1 NO. 1 ENGINE ROOM RELAY BLOCK - DOOR DBL/L FUSE - - ILLUSTRATION *A w/ Smart Key System *B ...

    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
    0.0107