Nissan Sentra B18 (2020-2025) Service Manual: Diagnosis Procedure

Nissan Sentra B18 (2020-2025) Service Manual / Driver Controls / Wiper & Washer :: Dtc/circuit Diagnosis / Front Wiper Auto Stop Signal Circuit / Diagnosis Procedure

Diagnosis Procedure

CHECK IPDM E/R OUTPUT VOLTAGE

Ignition switch OFF.
Disconnect front wiper motor connector.
Ignition switch ON.
Check voltage between front wiper motor harness connector and ground.

(+)	(−)	Voltage (Approx.)
E1	5	Ground	Battery voltage

(+)

(−)

Voltage

(Approx.)

Front wiper motor

Connector

Terminal

Ground

Battery voltage

Is the inspection result normal?

YES >>

Replace front wiper motor. Refer to Removal and Installation.

NO >>

GO TO 2.

CHECK FRONT WIPER MOTOR (AUTO STOP) CIRCUIT

Ignition switch OFF.
Disconnect IPDM E/R connector.

Check continuity between IPDM E/R harness connector and front wiper motor harness connector.

IPDM E/R		Front wiper motor		Continuity
Connector	Terminal	Connector	Terminal	Continuity
E43	33	E1	5	Yes

Check continuity between IPDM E/R harness connector and ground.

IPDM E/R		(−)	Continuity
Connector	Terminal	(−)	Continuity
E43	33	Ground	No

Is the inspection result normal?

YES>>

Replace IPDM E/R. Refer to Removal and Installation.

NO>>

Repair or replace harness.

Component Function Check

Component Function Check CHECK FRONT WIPER AUTO STOP SIGNAL CONSULT Select “FR WIPER STOP POSITION” in "Data Monit ...

Front Wiper Motor Ground Circuit

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