INDICATOR UNIT

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Purpose

•  The indicator unit notifies the user of the following conditions.
―  Passenger's side seat belt fastened condition
―  Rear seat belt fastened condition (with rear seat belt warning light)
―  Passenger air bag deactivation (PAD) switch condition (with passenger air bag deactivation (PAD) system)
―  Seat warmer operation condition (with seat warmer system)
―  Heated steering wheel operation condition (with heated steering wheel system)

Functions

•  The indicator unit turns the passenger's side seat belt warning light and rear seat belt warning light on/off based on the request signal sent from the instrument cluster.

Seat warmer switch function (with seat warmer system)

•  The indicator unit switches the temperature level (number of indicators turned on) in the order of 3, 2, 1, and OFF according to the seat warmer switch operation, and sends the temperature level signal to the seat warmer unit.
•  The indicator unit records the temperature level (number of indicators turned on) when the ignition is switched from ON (engine off or on) to off, and operates at the recorded temperature level (number of indicators turned on) when the ignition is switched ON (engine off or on) again.
•  If the battery power supply is disconnected, the temperature level recorded by the indicator unit is eliminated.


Heated steering wheel switch function (with heated steering wheel system)

•  The indicator unit sends a heated steering wheel on/off signal according to the heated steering wheel switch operation.


Structure/Construction

•  The indicator unit is positioned in the center of the dashboard.
•  The indicator unit consists of the following parts.
―  Passenger's side seat belt warning light
―  Rear seat belt warning light (with rear seat belt warning light)
―  Passenger air bag deactivation (PAD) lettering illumination (with passenger air bag deactivation (PAD) system)
―  Passenger air bag deactivation (PAD) OFF/ON indicator light (with passenger air bag deactivation (PAD) system)
―  Seat warmer switch (with seat warmer system)
―  Heated steering wheel switch (with heated steering wheel system)
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Operation


Passenger's side seat belt warning light

1.  When the indicator unit receives (1) the passenger's seat belt warning light on request signal from the instrument cluster while the ignition is switched ON (engine off or on), it turns on (2) the transistor.

2.  When the transistor turns on, a ground circuit with the passenger's side seat belt warning light is established and the passenger's side seat belt warning light turns on (3).

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Rear seat belt warning light (with rear seat belt warning light)

1.  When the indicator unit receives (1) the rear seat belt warning light on request signal from the instrument cluster while the ignition is switched ON (engine off or on), it turns on (2) the transistor.

2.  When the transistor turns on, a ground circuit with the rear seat belt warning light is established and the rear seat belt warning light turns on (3).

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Passenger air bag deactivation (PAD) lettering illumination/Passenger air bag deactivation (PAD) OFF/ON indicator light (with passenger air bag deactivation (PAD) system)

•  For the passenger air bag deactivation (PAD) lettering illumination/passenger air bag deactivation (PAD) OFF/ON indicator light operation, refer to [PASSENGER SENSING SYSTEM]. (See PASSENGER AIR BAG DEACTIVATION (PAD) SYSTEM [TWO-STEP DEPLOYMENT CONTROL SYSTEM].)


Seat warmer switch (with seat warmer system)

•  For details on the seat warmer switch operation, refer to the [SEAT WARMER SYSTEM]. (See SEAT WARMER SYSTEM.)


Heated steering wheel switch (with heated steering wheel system)

•  For details on the heated steering wheel switch operation, refer to the [HEATED STEERING WHEEL SYSTEM]. (See HEATED STEERING WHEEL SYSTEM.)


Fail-safe

•  Not applicable