Suzuki Grand Vitara JB416 / JB420. Manual - part 379

9D-3 Wipers / Washers: 

Inspection of Headlight Washer Control Module and Its Circuit

S5JB0A9404005

1) Remove headlight washer control module from blower unit.
2) Connect connector to headlight washer control module.
3) Check that the voltage between the following terminals and vehicle body ground are specifications under each 

condition.
If measuring voltage is not within specification, first check related switch and applicable wire harness circuit for 
open or short. And if all wire harness circuits and connections are normal, replace headlight washer control 
module.

1

2

3

4

5

6

I5JB0A940001-01

Terminal

Circuit

Specification

Condition

1

To headlight washer switch

0 – 1 V

Ignition switch is at ON position, lighting switch is at 
HEAD position and headlight washer switch is pushed.

4 – 6 V

Ignition switch is at ON position and headlight washer 
switch is not pushed.

2

Ground

0 – 1 V

—

3

To headlight washer motor

0 – 1 V

When headlight washer pump is in operation.
The headlight washer pump works for 0.8 seconds in 
case that the following conditions are all satisfied.
• Ignition switch is at ON position
• Lighting switch is at HEAD position
• Windshield washer switch is at ON position or 

headlight washer switch is pushed

10 – 14 V

When headlight washer pump is not in operation.

4

To lighting switch

0 – 1 V

Lighting switch is at HEAD position.

10 – 14 V

Lighting switch is at OFF position.

5

To windshield washer switch

0 – 1 V

Ignition switch is at ON position and windshield washer 
switch is at ON position.

10 – 14 V

Ignition switch is at ON position and windshield washer 
switch is at OFF position.

6

To ignition switch

0 – 1 V

Ignition switch is at OFF position.

10 – 14 V

Ignition switch is at ON position.

Wipers / Washers:  9D-4

Repair Instructions

Wipers and Washers Components

S5JB0A9406001

(c)

(b)

11

10

5

6

13

16

10

(a)

(a)

1

2

2

4

3

(b)

15

(e)

11

9

7

8

10

10

20

1

14

12

14

18

19

17

I5JB0A940002-01

1. Windshield wiper blade

8. Washer pump for rear washer 

(if equipped)

15. Windshield wiper bolt

: 8.5 N

⋅m (0.85 kgf-m, 6.5 lb-ft)

2. Windshield wiper arm

9. Washer tank

16. Headlight washer nozzle

: 7 N

⋅m (0.7 kgf-m, 5.0 lb-ft)

3. Windshield wiper motor

10. Washer hose

17. Front bumper

: 8 N

⋅m (0.8 kgf-m, 6.0 lb-ft)

4. Windshield wiper link

11. Washer nozzle

18. Headlight washer control 

module

: 4  N

⋅m (0.4 kgf-m, 3.0 lb-ft)

5. Rear wiper arm with blade 

assembly (if equipped)

12. Wiper switch

19. Blower fan motor

6. Rear wiper motor (if 

equipped)

13. Rear wiper relay (if equipped)

20. Headlight washer pump

(if equipped)

7. Washer pump for windshield 

washer

14. BCM

: 14 N

⋅m (1.4 kgf-m, 10.5 lb-ft)

9D-5 Wipers / Washers: 

Washer Tank and Washer Pump Removal and 
Installation

S5JB0A9406002

Removal

1) Disconnect negative (–) cable at battery.
2) Remove front bumper referring to “Front Bumper 

Components in Section 9K”.

3) Remove right headlight housing from vehicle body 

referring to “Headlight Housing Removal and 
Installation in Section 9B”.

4) Remove grommet (1) and upper part (2) of washer 

tank.

5) Remove washer tank attaching bolts (4).
6) Disconnect washer pump lead wire couplers and 

hoses.

7) Remove washer tank (1).
8) Remove windshield washer pump (2), rear washer 

pump (3) (if equipped) and headlight washer pump 
(5) (if equipped) from washer tank (1).

Installation
Install washer tank and washer pump by reversing 
removal procedure, noting the following instructions.
• Connect washer pump connector(s) securely.
• Tighten washer tank bolts to specified torque.

Tightening torque
Washer tank bolt (a):  4 N·m (0.4 kgf-m, 3.0 lb-ft)

• After installing headlight housing be sure to inspect 

and adjust aiming referring to “Headlight Aiming 
Adjustment with Screen in Section 9B”.

Washer Pump Inspection

S5JB0A9406003

1) Connect battery positive (+) and negative (–) 

terminals to pump (+) and (–) terminals respectively.

2) Check front, rear or headlight washer pump for 

operation.
If pump does not operate, replace washer pump.

1

2

I5JB0A940003-01

4

3

2

1

5

I5JB0A940005-01

[A]: Windshield washer pump
[B]: Rear washer pump

[C]: Headlight washer pump

(a)

I5JB0A940004-01

(–)

(+)

(–)

(+)

[B]

[A]

[C]

(+)

(–)

I5JB0A940006-01

Wipers / Washers:  9D-6

Windshield Wiper Removal and Installation

S5JB0A9406004

Removal

1) Disconnect negative (–) cable at battery.
2) Remove wiper pivot caps (1) and wiper arm nuts (2), 

and remove windshield wiper arms with wiper blades 
(3).

3) Remove cowl top garnish referring to “Cowl Top 

Components in Section 9K”.

4) Disconnect coupler from windshield wiper motor.
5) Remove bolts (1), and remove windshield wiper 

assembly (2).

Installation

1) Install windshield wiper assembly (1), and tighten 

bolts (“1” – “3”) according to numerical order as 
shown in figure.

Tightening torque
Windshield wiper bolt (a):  8.5 N·m (0.85 kgf-m, 
6.5 lb-ft)

2) Connect coupler to windshield wiper motor.
3) Install cowl top garnish referring to “Cowl Top 

Components in Section 9K”.

4) Install windshield wiper arms with wiper blades (1) to 

specified position as shown in figure, and then 
tighten windshield wiper nuts to specified torque.

Tightening torque
Windshield wiper arm nut (a):  14 N·m (1.4 kgf-
m, 10.5 lb-ft)

5) Install wiper pivot caps (2) to windshield wiper arm 

nuts

6) Connect negative (–) cable to battery.

3

2

1

I5JB0A940007-01

2

1

I5JB0A940008-01

“a”: 5 mm (0.20 in.)

4. Wiper blade center

3. Ceramic line

1

(a), “1”

(a), “3”

(a), “2”

I5JB0A940026-01

1

1

(a)

2

2

3

4

“a”

I5JB0A940009-01