Nissan Sentra Service Manual: Washer motor circuit
Diagnosis Procedure
Regarding Wiring Diagram information, refer to WW-24, "Wiring Diagram - With Intelligent Key" or WW-29, "Wiring Diagram - Without Intelligent Key".
1. Check front washer motor fuse
- Turn the ignition switch OFF.
- Check that the following fuse is not blown.
Is the fuse blown? YES >> Replace the blown fuse after repairing the affected circuit.
NO >> GO TO 2.
2. Check front washer motor power supply
- Disconnect front washer motor.
- Turn ignition switch on.
- Check voltage between front washer motor harness connector e8 and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace the harness or connectors.
3. Check front washer motor circuit continuity
- Turn the ignition switch OFF.
- Disconnect combination switch (wiper and washer switch).
- Check continuity between combination switch (wiper and washer switch) harness connector m28 and front washer motor e8.
Is the inspection result normal? Yes >> go to 4.
No >> repair or replace the harness or connectors.
4. Check wiper and washer switch ground circuit
Check continuity between combination switch (wiper and washer switch) harness connector m28 and ground.
Is the inspection result normal? Yes >> go to 5.
No >> repair or replace the harness or connectors.
5. Check wiper and washer switch
Check wiper and washer switch. Refer to WW-45, "Component Inspection".
Is the inspection result normal? YES >> Replace front washer motor. Refer to WW-62, "Removal and Installation".
NO >> Replace wiper and washer switch. Refer to WW-63, "Removal and Installation".
Front wiper motor ground circuit
Diagnosis procedure
Regarding Wiring Diagram information, refer to WW-24, "Wiring Diagram - With
Intelligent Key" or WW-29,
"Wiring Diagram - Without Intelligent Key".
1.Check ...
Washer switch
Description
Washer switch is integrated with combination switch (wiper and washer
switch).
Combination switch (wiper and washer switch) supplies ground and fuse #
6 supplies power for the ...
Other materials:
Low tire pressure warning lamp
Component Function Check
1.CHECK THE ILLUMINATION OF THE LOW TIRE PRESSURE WARNING LAMP
Check that the low tire pressure warning lamp is turned OFF after
illuminating for approximately 1 second,
when the ignition switch is turned ON.
Is the inspection result normal?
YES >> Inspection ...
P0643 Sensor power supply
Description
ECM supplies a voltage of 5.0 V to some of the sensors systematically divided
into 2 groups, respectively.
Accordingly, when a short circuit develops in a sensor power source, a
malfunction may occur simultaneously
in the sensors belonging to the same group as the shorted-circui ...
Manual transmission (if so equipped)
The ignition switch includes a device that helps
prevent accidental removal of the key while driving.
The key can only be removed when the ignition
switch is in the LOCK position.
On manual transmission models, to turn the ignition
key to LOCK position from ACC or ON
position, turn the ...