1. Turn the ignition switch OFF.
2. Disconnect front wiper motor connector.
3. Turn the ignition switch ON.
4. Check voltage between IPDM E/R harness connector and ground.

Terminals			Voltage (Approx.)
(+)		(−)
IPDM E/R		Ground
Connector	Terminal
E5	16		Battery voltage

YES>>GO TO 3.

NO>>GO TO 2.

1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check continuity between IPDM E/R harness connector and ground.

IPDM E/R		Ground	Continuity
Connector	Terminal
E5	16		Not existed

YES>>Repair the harnesses or connectors.

NO>>Replace IPDM E/R.

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
E5	16	E42	5	Existed

YES>>Replace front wiper motor.

NO>>Repair the harnesses or connectors.