Nissan Sentra Service Manual: Front wiper motor lo circuit
Component function check
1. Check front wiper lo operation
Ipdm e/r auto active test
- Start ipdm e/r auto active test. Refer to pcs-9, "diagnosis description" (with intelligent key system) or pcs-37, "diagnosis description" (without intelligent key system).
- Check that the front wiper operates at the lo operation.
Consult active test
- Select FRONT WIPER of IPDM E/R active test item.
- While operating the test item, check that front wiper lo operation and off.
Lo : front wiper lo operation
Off : stop the front wiper.
Is the inspection result normal? Yes >> front wiper motor lo circuit is normal.
No >> refer to ww-37, "diagnosis procedure".
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 wiper motor (lo) input voltage
Consult active test
- Turn the ignition switch OFF.
- Disconnect front wiper motor.
- Turn the ignition switch on.
- Select front wiper of ipdm e/r active test item.
- While operating the test item, check voltage between IPDM E/R harness connector E45 and ground.
Is the inspection result normal? YES >> GO TO 2.
NO >> Replace IPDM E/R. Refer to PCS-30, "Removal and Installation" (with Intelligent Key system) or PCS-58, "Removal and Installation" (without Intelligent Key system).
2. Check front wiper motor (lo) open circuit
- Turn the ignition switch OFF.
- Disconnect ipdm e/r.
- Check continuity between ipdm e/r harness connector e45 and front wiper motor harness connector e1.
Is the inspection result normal?
Yes >> go to 3.
No >> repair or replace the harness or connectors.
3. Check front wiper motor (lo) short circuit
Check continuity between IPDM E/R harness connector E45 and ground.
Is the inspection result normal? YES >> Repair or replace the harness or connectors.
NO >> Replace front wiper motor. Refer to WW-62, "Removal and Installation".
Wiper and washer fuse
Description
Diagnosis procedure
1. Check fuses
Check that the following fuses are not blown.
Is the fuse blown?
Yes >> replace the blown fuse after repairing the affected circuit.
...
Front wiper motor hi circuit
Component function check
1. Check front wiper hi operation
Ipdm e/r auto active test
Start ipdm e/r auto active test. Refer to ww-15, "diagnosis description"
(with intelligent key ...
Other materials:
Inspection and adjustment
Additional service when replacing control unit
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description
WARNING:
Always perform zero point reset using CONSULT when removing and
installing the front passenger
seat or servicing the occupant classification system. If zero point reset is not ...
Ecm branch line circuit
Diagnosis Procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ECM for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
YES > ...
Precaution for Harness Repair
Solder the repair part, and wrap it with tape. [Twisted wire
fray
must be 110 mm (4.33 in) or less.]
Do not bypass the repair point with wire. (If it is
bypassed, the turnout
point cannot be separated and the twisted wire characteristics
are lost.)
...