Nissan GT-R. Manual - part 99

BACK-UP LAMP SYSTEM

EXL-13

< SYSTEM DESCRIPTION >

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BACK-UP LAMP SYSTEM

System Diagram

INFOID:0000000009160303

System Description

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OUTLINE

Back-up lamp is controlled by back-up lamp relay control function of TCM.

BACK-UP LAMP OPERATION

• TCM detects the control device condition.
• TCM turns the back-up lamp relay ON according to the back-up lamp ON condition.

Back-up lamp ON condition.

- Ignition switch ON
- Shift position “R”

JPLIA1204GB

EXL-14

< SYSTEM DESCRIPTION >

[XENON TYPE]

BACK-UP LAMP SYSTEM

Component Parts Location

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Component Description

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1.

Control device

2.

Back-up lamp

3.

TCM relay

4.

Back-up lamp relay

5.

TCM

A.

Inside of rear wheel house finisher 
(LH)

B.

Inside of trunk front finisher

NNLIA0021ZZ

Part

Description

TCM

• Detects the control device condition.
• Judges the back-up lamp relay ON/OFF by shift lever position status.

EXTERIOR LAMP BATTERY SAVER SYSTEM

EXL-15

< SYSTEM DESCRIPTION >

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EXTERIOR LAMP BATTERY SAVER SYSTEM

System Diagram

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System Description

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OUTLINE

• Exterior lamp battery saver system is controlled by each function of BCM and IPDM E/R.

Control by BCM

- Combination switch reading function
- Headlamp control function
- Exterior lamp battery saver function

Control by IPDM E/R

- Relay control function
• BCM turns the exterior lamp* OFF after a period of time to prevent the battery from over-discharge when the

ignition switch is turned OFF with the exterior lamp ON.

*: Headlamp (LO/HI), parking lamp, tail lamp, side marker lamp and license plate lamp.
NOTE:
When the lighting switch is turned AUTO, the exterior lamp battery saver switches to the auto light system.
Refer to 

EXL-5, "System Description"

.

EXTERIOR LAMP BATTERY SAVER ACTIVATION

BCM activates the timer and turns the exterior lamp OFF 5 minutes after the ignition switch is turned from ON

→

 OFF with the exterior lamps ON. 

NOTE:
• Headlamp control function turns the exterior lamps ON normally when the ignition switch is turned ACC or

the engine started (both before and after the exterior lamp battery saver is turned OFF).

• The timer starts at the time that the lighting switch is turned from OFF 

→

 1ST or 2ND with the exterior lamp

OFF.

JPLIA1205GB

EXL-16

< SYSTEM DESCRIPTION >

[XENON TYPE]

EXTERIOR LAMP BATTERY SAVER SYSTEM

Component Parts Location

INFOID:0000000009160309

Component Description

INFOID:0000000009160310

1.

Combination switch

2.

Combination meter

3.

BCM

4.

IPDM E/R

A.

Dash side lower (passenger side)

B.

Engine room dash panel (RH)

JPLIA1166ZZ

Part

Description

BCM

• Detects each switch condition by the combination switch reading function.
• Judges the exterior lamp OFF according to the vehicle condition. 
- Requests each relay OFF to IPDM E/R (with CAN communication).

IPDM E/R

Controls the integrated relay according to the request from BCM (with CAN communi-
cation).

Combination switch
(Lighting & turn signal switch)

Refer to 

BCS-5, "System Diagram"

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