Toyota CH-R Service Manual: Fail-safe Chart

FAIL-SAFE CHART

PULSE FAILURE

(a) If a pulse sensor built into the power window regulator motor assembly malfunctions, the following power window operations will be prohibited.

Multiplex Network Master Switch Assembly, Power Window Regulator Switch Assembly, Rear Power Window Regulator Switch Assembly (for RH and LH Doors)

Power Window Operation

Condition

Ignition switch ON

Ignition switch off

(Key-off operation permitted)

Ignition switch off

(Key-off operation prohibited)

Manual up (Switch on the door)

X

X

Manual down (Switch on the door)

X

X

Auto up (Switch on the door)

X

X

X

Auto down (Switch on the door)

X

X

X

Manual up (Remote switch operation)

X

X

X

Manual down (Remote switch operation)

X

X

X

Auto up (Remote switch operation)

X

X

X

Auto down (Remote switch operation)

X

X

X

Key-linked open and close

X

X

X

Wireless transmitter-linked open and close

X

X

X

HINT:

  • ●: Operates without jam protection/catch protection
  • ▲: Operates for approximately 0.4 seconds without jam protection/catch protection
  • X: Operation prohibited
Fail-safe deactivation condition
  • When the pulse sensor is normal, to deactivate fail-safe mode, pull up the power window switch to the auto up position and hold it for at least 1 second to fully close the power window from the fully open position. As a result, the auto up/down function will return.

DISPLACEMENT OF NON-DETECTION RANGE TO THE OPENING DIRECTION

(a) If the door glass position or learned value is abnormal, the following power window operations will be prohibited.

Multiplex Network Master Switch Assembly, Power Window Regulator Switch Assembly, Rear Power Window Regulator Switch Assembly (for RH and LH Doors)

Power Window Operation

Condition

Ignition switch ON

Ignition switch off

(Key-off operation permitted)

Ignition switch off

(Key-off operation prohibited)

Manual up (Switch on the door)

X

X

Manual down (Switch on the door)

X

X

Auto up (Switch on the door)

X

X

X

Auto down (Switch on the door)

X

X

X

Manual up (Remote switch operation)

X

X

X

Manual down (Remote switch operation)

X

X

X

Auto up (Remote switch operation)

X

X

X

Auto down (Remote switch operation)

X

X

X

Key-linked open and close

X

X

X

Wireless transmitter-linked open and close

X

X

X

HINT:

  • ●: Operates without jam protection/catch protection
  • X: Operation prohibited
Fail-safe deactivation condition
  • When the pulse sensor is normal, to deactivate fail-safe mode, pull up the power window switch to the auto up position and hold it for at least 1 second to fully close the power window from the fully open position. As a result, the auto up/down function will return.

INITIAL FAILURE

(a) During initialization, if the power window position or initialization complete status cannot be properly read from the non-volatile memory, the following power window operations will be prohibited.

Multiplex Network Master Switch Assembly, Power Window Regulator Switch Assembly, Rear Power Window Regulator Switch Assembly (for RH and LH Doors)

Power Window Operation

Condition

Ignition switch ON

Ignition switch off

(Key-off operation permitted)

Ignition switch off

(Key-off operation prohibited)

Manual up (Switch on the door)

X

X

Manual down (Switch on the door)

X

X

Auto up (Switch on the door)

X

X

X

Auto down (Switch on the door)

X

X

X

Manual up (Remote switch operation)

X

X

X

Manual down (Remote switch operation)

X

X

X

Auto up (Remote switch operation)

X

X

X

Auto down (Remote switch operation)

X

X

X

Key-linked open and close

X

X

X

Wireless transmitter-linked open and close

X

X

X

HINT:

  • ●: Operates without jam protection/catch protection
  • X: Operation prohibited
Fail-safe deactivation condition
  • Initialize the power window regulator motor assembly.

    Click here

LIN COMMUNICATION FAILURE

(a) If the LIN communication system is malfunctioning (communication stop), the following power window control operations will be prohibited. (Operation is only possible using the power window switch of each seat.)

Multiplex Network Master Switch Assembly

Power Window Operation

Condition

Always

Manual up

●*

Manual down

Auto up

-

Auto down

-

Power Window Regulator Switch Assembly, Rear Power Window Regulator Switch Assembly (for RH and LH Doors)

Power Window Operation

Condition

Always

Manual up

●*

Manual down

Auto up

●*

Auto down

HINT:

  • ●: Operates without jam protection/catch protection
  • *: Jam protection/catch protection can operate.
Fail-safe deactivation condition
  • Check LIN communication system.

    Click here

PULSE FAILURE AND LIN COMMUNICATION FAILURE

(a) If the LIN communication system is malfunctioning (communication stop) and the pulse sensor is malfunctioning, the following power window operations will be prohibited.

Multiplex Network Master Switch Assembly, Power Window Regulator Switch Assembly, Rear Power Window Regulator Switch Assembly (for RH and LH Doors)

Power Window Operation

Condition

Always

Manual up

X

Manual down

X

Auto up

X

Auto down

X

HINT:

  • X: Operation prohibited
  • Switch on the door:

    When the jam protection function does not operate due to LIN communication failure, the manual up and auto up functions will not operate as the state of the IG signal is unknown.

  • Remote switch operation:

    Operation is not possible during LIN communication failure.

DISPLACEMENT OF NON-DETECTION RANGE TO THE OPENING DIRECTION AND LIN COMMUNICATION FAILURE / INITIAL FAILURE AND LIN COMMUNICATION FAILURE

(a) If the LIN communication system is malfunctioning and the power window position and learned value are abnormal, or the LIN communication system is malfunctioning and the power window position or initialization complete status cannot be properly read from the non-volatile memory during initialization, the following power window operations will be prohibited.

Multiplex Network Master Switch Assembly

Power Window Operation

Condition

Always

Manual up

●*

Manual down

Auto up

-

Auto down

-

Power Window Regulator Switch Assembly, Rear Power Window Regulator Switch Assembly (for RH and LH Doors)

Power Window Operation

Condition

Always

Manual up

●*

Manual down

Auto up

X

Auto down

X

HINT:

  • ●: Operates without jam protection/catch protection
  • X: Operation prohibited
  • *: Jam protection/catch protection can operate and window reverses upon reaching the fully closed position.
  • Remote switch operation:

    Operation is not possible during LIN communication failure.

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