HEADLIGHT CLEANER CONTROL MODULE INSPECTION

id091900806100

1. Disconnect the negative battery cable.

2. Remove the front bumper. (See FRONT BUMPER REMOVAL/INSTALLATION.)

3. Remove the headlight cleaner control module with the connector still connected.

4. Measure the voltage at each terminal.

• If the voltage is not as specified in the Terminal Voltage Table (Reference), inspect the parts under “Inspection item (s)”.

• If the system does not work properly even though the parts or related wiring harnesses do not have any malfunction, replace the headlight cleaner control module.

Terminal Voltage Table (Reference)

ac9wzw00001871

Terminal

Signal name

Connected to

Measured condition

Voltage (V)

Inspection item (s)

A

Headlight cleaner motor output

Headlight cleaner motor

Headlight cleaner activated (auto-operation or manual operation activated)

Alternates between 1.0 or less and B+

•  H/L CLEAN 25 A fuse

•  Headlight cleaner motor

•  Related wiring harnesses

Except above

B+

B

Windshield washer motor output

Wiper and washer switch

Turn the ignition switch to the ON position.

Turn the washer switch to the OFF position.

1.0 or less

•  Headlight relay

•  Windshield wiper and washer switch

•  Related wiring harnesses

Turn the washer switch to the ON position.

B+

C

Headlight

Headlight relay

Light switch at ON position.

B+

•  Headlight relay

•  Related wiring harnesses

Except above

1.0 or less

D

GND

Body ground

Under any condition

1.0 or less

Related wiring harnesses

E

Headlight cleaner motor power supply

•  Headlight cleaner motor

•  H/L CLEAN 25 A fuse

•  Headlight cleaner control module

Under any condition

B+

•  H/L CLEAN 25 A fuse

•  Related wiring harnesses

F

Headlight cleaner motor output

•  Headlight cleaner motor

•  Headlight cleaner control module

Headlight cleaner activated (auto-operation or manual operation activated)

Alternates between 1.0 or less and B+

•  H/L CLEAN 25 A fuse

•  Headlight cleaner motor

•  Related wiring harnesses

Except above

B+

G

—

—

—
—
—

—

H

—

—

—
—
—

—

Terminal	Signal name	Connected to	Measured condition		Voltage (V)	Inspection item (s)
A	Headlight cleaner motor output	Headlight cleaner motor	Headlight cleaner activated (auto-operation or manual operation activated)		Alternates between 1.0 or less and B+	• H/L CLEAN 25 A fuse • Headlight cleaner motor • Related wiring harnesses
A	Headlight cleaner motor output	Headlight cleaner motor	Except above		B+
B	Windshield washer motor output	Wiper and washer switch	Turn the ignition switch to the ON position.	Turn the washer switch to the OFF position.	1.0 or less	• Headlight relay • Windshield wiper and washer switch • Related wiring harnesses
B	Windshield washer motor output	Wiper and washer switch	Turn the ignition switch to the ON position.	Turn the washer switch to the ON position.	B+
C	Headlight	Headlight relay	Light switch at ON position.		B+	• Headlight relay • Related wiring harnesses
C	Headlight	Headlight relay	Except above		1.0 or less	• Headlight relay • Related wiring harnesses
D	GND	Body ground	Under any condition		1.0 or less	Related wiring harnesses
E	Headlight cleaner motor power supply	• Headlight cleaner motor • H/L CLEAN 25 A fuse • Headlight cleaner control module	Under any condition		B+	• H/L CLEAN 25 A fuse • Related wiring harnesses
F	Headlight cleaner motor output	• Headlight cleaner motor • Headlight cleaner control module	Headlight cleaner activated (auto-operation or manual operation activated)		Alternates between 1.0 or less and B+	• H/L CLEAN 25 A fuse • Headlight cleaner motor • Related wiring harnesses
F	Headlight cleaner motor output		Except above		B+
G	—	—	—	—	—	—
H	—	—	—	—	—	—