TRUNK LID LIGHT (4SD)/LIFTGATE LIGHT (5HB)

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Purpose

• The trunk lid lights (4SD)/liftgate lights (5HB) are used to signal the following conditions to vehicles/people at the rear.

― Back-up lights: Signals that the vehicle is backing up.

― Taillights (with trunk lid lights (4SD)/liftgate lights (5HB) (LED type)): Signals the presence of the vehicle during nighttime.

Function

• The back-up lights are illuminated in conjunction with the selector lever (ATX)/shift lever (MTX) operation.

• The taillights are illuminated in conjunction with the light switch operation (TNS). (with taillights)

Construction

• The following parts are an integrated structure.

― Back-up light bulb

― Taillight (with trunk lid lights (4SD)/liftgate lights (5HB) (LED type))

• A clear lens has been adopted for the trunk lid light (4SD)/liftgate light (5HB).

Note

• Fogging or condensation may occur inside the trunk lid lights (4SD)/liftgate lights (5HB), however, it is a natural phenomenon occurring as a result of a temperature difference between the interior and exterior of the trunk lid lights (4SD)/liftgate lights (5HB) and has no effect on the light performance. Fogging or condensation will dissipate when the temperature inside the trunk lid lights (4SD)/liftgate lights (5HB) rises after the back-up light is illuminated and a period of time has elapsed.

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Operation

Taillights (with trunk lid lights (4SD)/liftgate lights (5HB) (LED type))

1. When the light switch is operated to the TNS position, the start stop unit detects a light switch TNS signal.

2. The start stop unit sends the light switch TNS signal to the front body control module (FBCM) as a CAN signal.

3. When the front body control module (FBCM) receives the light switch TNS signal, it turns the TNS relay on.

4. When the TNS relay turns on, the taillights are illuminated.

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Buck-up lights (ATX)

1. When the selector lever is operated to the R position, the TCM sends a R position signal to the PCM as a CAN signal.

2. When the PCM receives the R position signal, it sends a back-up light on signal to the instrument cluster.

3. The instrument cluster sends the back-up light on signal to the rear body control module (RBCM).

4. When the rear body control module (RBCM) receives the back-up light on signal, the back-up lights are illuminated.

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Buck-up lights (MTX)

1. When the shift lever is operated to the reverse position, the back-up light switch is turned on.

2. When the back-up light switch is turned on, the PCM detects a back-up light switch on signal.

3. When the PCM detects a back-up light switch on signal, it sends the back-up light on signal to the instrument cluster as a CAN signal.

4. The instrument cluster sends the back-up light on signal to the rear body control module (RBCM).

5. When the rear body control module (RBCM) receives the back-up light on signal, the back-up lights are illuminated.

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Fail-safe

• Function not equipped.