Infiniti FX35, FX50 (S51). Manual — part 1947
FRONT WIPER AND WASHER SYSTEM
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< SYSTEM DESCRIPTION >
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• When the front wiper request signal is stopped, IPDM E/R turns ON the front wiper relay until the front wiper
motor returns to the stop position.
NOTE:
• BCM stops the transmitting of the front wiper request signal when the ignition switch is OFF.
• IPDM E/R turns the front wiper relay OFF when the ignition switch is OFF.
FRONT WIPER OPERATION LINKED WITH WASHER
• BCM transmits the front wiper request signal (LO) to IPDM E/R with CAN communication according to the
washer linked operating condition of the front wiper.
• BCM transmits the front wiper request signal (LO) so that the front wiper operates approximately 2 times
when the front washer switch OFF is detected.
Washer linked operating condition of front wiper
- Ignition switch ON
- Front washer switch ON (0.4 second or more)
• IPDM E/R turns ON the integrated front wiper relay according to the front wiper request signal (LO).
• The washer pump is grounded through the combination switch with the front washer switch ON.
FRONT WIPER FAIL-SAFE OPERATION
IPDM E/R performs the fail-safe function when the front wiper auto stop circuit is malfunctioning. Refer to
.
JPLIA0410GB
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< SYSTEM DESCRIPTION >
FRONT WIPER AND WASHER SYSTEM
WITHOUT RAIN SENSOR : Component Parts Location
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WITHOUT RAIN SENSOR : Component Description
INFOID:0000000005234741
1.
Combination switch
2.
BCM
3.
IPDM E/R
4.
Washer pump
5.
Front wiper motor
6.
Unified meter and A/C amp.
A.
Dash side lower (Passenger side)
B.
Engine room (right side)
C.
Radiator core support (RH)
D.
Cowl top, left side of engine room
E.
Behind cluster lid C
JPLIA1244ZZ
Part
Description
BCM
• Judges each switch status by the combination switch reading function.
• Requests (with CAN communication) the front wiper relay and the front wiper high relay ON to
IPDM E/R.
IPDM E/R
• Controls the integrated relay according to the request (with CAN communication) from BCM.
• Performs the auto stop control of the front wiper.
FRONT WIPER AND WASHER SYSTEM
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< SYSTEM DESCRIPTION >
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Combination switch
(Wiper & washer switch)
Refer to
.
Unified meter and A/C amp.
Transmits the vehicle speed signal to BCM with CAN communication.
Part
Description
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< SYSTEM DESCRIPTION >
REAR WIPER AND WASHER SYSTEM
REAR WIPER AND WASHER SYSTEM
System Diagram
INFOID:0000000005234742
System Description
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OUTLINE
The rear wiper is controlled by each function of BCM.
Control by BCM
• Combination switch reading function
• Rear wiper control function
REAR WIPER BASIC OPERATION
• BCM detects the combination switch condition by the combination switch reading function.
• BCM controls the rear wiper to start or stop.
REAR WIPER ON OPERATION
• BCM supplies power to the rear wiper motor according to the rear wiper ON operating condition.
Rear wiper ON operating condition
- Ignition switch ON
- Rear wiper switch ON
REAR WIPER INT OPERATION
• BCM supplies power to the rear wiper motor according to the INT operating condition.
Rear wiper INT operating condition
- Ignition switch ON
- Rear wiper switch INT
• BCM controls the rear wiper to operate once.
• BCM detects the rear wiper motor stopping position.
• BCM supplies power to the rear wiper motor after an intermittent from the stop of the rear wiper motor.
REAR WIPER AUTO STOP OPERATION
• BCM stops supplying power to the rear wiper motor when the rear wiper switch is turned OFF.
JPLIA1257GB
JPLIA1258GB
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