Nissan Xterra. Manual - part 382

EXL-16

< SYSTEM DESCRIPTION >

FRONT FOG LAMP

FRONT FOG LAMP

System Diagram

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System Description

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The front fog lamps are activated with the combination switch (lighting and turn signal switch). The combina-

tion switch (lighting and turn signal switch) signal to the BCM is monitored with the BCM combination switch

reading function. When the fog lamps are turned ON with the combination switch (lighting and turn signal

switch), the BCM sends a front fog lamp request signal via CAN communication lines to the IPDM E/R. The

IPDM E/R grounds the front fog lamp relay coil to activate the front fog lamps.

FRONT FOG LAMP OPERATION

When the combination switch (lighting and turn signal switch) is in front fog lamp ON position and also in 1ST

or 2ND position or AUTO (if equipped) position (headlamp is ON), the BCM detects FR FOG ON and the

HEAD LAMP1 or 2 ON. The BCM sends a front fog lamp request ON signal via the CAN communication lines

to the IPDM E/R. The IPDM E/R then turns ON the front fog lamp relay sending power to the front fog lamps.

Component Parts Location

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Component Description

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AWLIA1719GB

1.

IPDM E/R E122, E123, E124

2.

BCM M18, M20 (view with lower instru-
ment panel LH removed)

3.

Combination switch (lighting and turn 
signal switch) M28

AWLIA0732ZZ

Part name

Description

BCM

• Receives lighting switch requests via BCM combination switch 

reading function.

• Sends headlamp high/low request signal to the IPDM E/R.

FRONT FOG LAMP

EXL-17

< SYSTEM DESCRIPTION >

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IPDM E/R

Activates the front fog lamp relay upon request from the BCM.

Combination switch (lighting and turn signal switch)

Outputs lighting requests to the BCM.

EXL-18

< SYSTEM DESCRIPTION >

TURN SIGNAL AND HAZARD WARNING LAMPS

TURN SIGNAL AND HAZARD WARNING LAMPS

System Diagram

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System Description

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TURN SIGNAL OPERATION

When the combination switch (lighting and turn signal switch) is in LH or RH position with the ignition switch in

ON position, the BCM detects the TURN RH or TURN LH ON request. The BCM outputs the flasher signal to

the respective turn signal lamp. The BCM also sends a turn indicator signal ON request via the CAN commu-

nication lines to the combination meter. The combination meter then activates the appropriate turn signal indi-

cator and audible buzzer.

HAZARD LAMP OPERATION

When the hazard switch is in ON position, the BCM detects the hazard switch signal ON. The BCM outputs the

flasher signal (right and left). The BCM sends a hazard indicator signal ON request via the CAN communica-

tion lines to the combination meter. The combination meter then activates the hazard indicator and audible

buzzer.

REMOTE KEYLESS ENTRY OPERATION

The remote keyless entry receiver transmits a hazard request signal to the BCM, then BCM controls hazard

lamps.

Refer to 

DLK-14, "REMOTE KEYLESS ENTRY : System Description"

.

Component Parts Location

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AWLIA1721GB

1.

BCM  M18, M20 (view with lower in-
strument panel LH removed)

2.

Combination switch (lighting and turn 
signal switch) M28

3.

Combination meter M24

4.

Hazard switch M55

AWLIA1683ZZ

TURN SIGNAL AND HAZARD WARNING LAMPS

EXL-19

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Component Description

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Part name

Description

BCM

Controls turn signal and hazard flasher operation.

Combination switch (lighting and turn signal switch)

Lighting and turn signal switch requests are output to the BCM.

Hazard switch

Hazard flasher request signal is output to the BCM.

Combination meter

Outputs turn and hazard indicator as requested by the BCM.