Nissan Quest E52. Manual - part 1268

PREPARATION

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< PREPARATION >

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PREPARATION

PREPARATION

Commercial Service Tool

INFOID:0000000009649538

Tool name

Description

Washer nozzle adjuster

Adjusting washer nozzle.
(Available in SEC. 289 of PARTS CATALOG: Part 
No. 28949 1EA0A)
NOTE:
Washer nozzle adjuster is included with shipment 
of nozzle.

JSLIA0149ZZ

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< SYSTEM DESCRIPTION >

COMPONENT PARTS

SYSTEM DESCRIPTION

COMPONENT PARTS

Component Parts Location

INFOID:0000000009649539

A.

Cowl top, left side of engine room

B.

Behind front bumper (RH)

C.

Back door finisher inside

JMLIA2162ZZ

COMPONENT PARTS

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< SYSTEM DESCRIPTION >

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No.

Part

Function

1.

Combination meter

Transmits the vehicle speed signal to BCM via CAN communication.

2.

Combination switch
(Wiper & washer switch)

Refer to 

BCS-8, "COMBINATION SWITCH READING SYSTEM : System Description"

 for de-

tailed installation location.

3.

Front wiper motor

• IPDM E/R controls front wiper operation.
• Front wiper stop position signal is transmitted to IPDM E/R.

4.

IPDM E/R

• Controls the integrated relay according to the request (via CAN communication) from BCM.
• Performs the auto stop control of the front wiper.
• Refer to 

PCS-4, "IPDM E/R : Component Parts Location"

 for detailed installation location. 

5.

Washer level switch

• Combination meter indicates low washer fluid warning judged by the signal from the washer 

level switch.

• Refer to 

MWI-17, "MASTER WARNING LAMP : System Description"

.

6.

Washer pump

• Washer fluid is sprayed according to washer switch states.
• Switching between front washer and rear washer is performed according to the voltage po-

larity change to washer pump.

7.

BCM

• Judges the each switch status by the combination switch reading function.
• Requests (via CAN communication) the front wiper relay and the front wiper high relay ON to 

IPDM E/R.

• Supplies power to the rear wiper motor.
• Performs the auto stop control of the rear wiper.
• Refer to 

BCS-4, "BODY CONTROL SYSTEM : Component Parts Location"

 for detailed in-

stallation location.

8.

Rear wiper motor

• BCM controls rear wiper operation.
• Rear wiper stop position signal is transmitted to BCM.

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< SYSTEM DESCRIPTION >

SYSTEM

SYSTEM

FRONT WIPER AND WASHER SYSTEM

FRONT WIPER AND WASHER SYSTEM : System Description

INFOID:0000000009649540

SYSTEM DIAGRAM

OUTLINE

The front wiper is controlled by each function of BCM and IPDM E/R.

Control by BCM

• Combination switch reading function
• Front wiper control function

Control by IPDM E/R

• Front wiper control function
• Relay control function
Combination meter indicates low washer fluid level warning judged by the signal from the washer level switch.
For detailes of low washer fluid level warning, refer to 

MWI-17, "MASTER WARNING LAMP : System Descrip-

tion"

.

FRONT WIPER BASIC OPERATION

• BCM detects the combination switch condition by the combination switch reading function.
• BCM transmits the front wiper request signal to IPDM E/R via CAN communication depending on each oper-

ating condition of the front wiper.

• IPDM E/R turns ON/OFF the integrated front wiper relay and the front wiper high relay according to the front

wiper request signal. IPDM E/R provides the power supply to operate the front wiper HI/LO operation.

FRONT WIPER LO OPERATION

• BCM transmits the front wiper request signal (LO) to IPDM E/R via CAN communication according to the

front wiper LO operating condition.

Front wiper LO operating condition

- Ignition switch ON
- Front wiper switch LO or front wiper switch MIST (while pressing)
• IPDM E/R turns ON the integrated front wiper relay according to the front wiper request signal (LO).

FRONT WIPER HI OPERATION

• BCM transmits the front wiper request signal (HI) to IPDM E/R via CAN communication according to the

front wiper HI operating condition.

Front wiper HI operating condition

- Ignition switch ON
- Front wiper switch HI
• IPDM E/R turns ON the integrated front wiper relay and the front wiper high relay according to the front wiper

request signal (HI).

JMLIA2011GB