Suzuki Grand Vitara JB416 / JB420 / JB419. Manual - part 494

9D-2 Wipers / Washers: 

Headlight Washer Symptom Diagnosis (If Equipped)

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Headlight Washer Operation Inspection (If Equipped)

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1) Turn ignition switch to ON position.
2) Turn lighting switch to “HEAD” position.
3) Make sure that washer fluid is spouted out from the headlight washer nozzle to the headlight surface when the 

headlight washer switch or front washer switch is turned on.
If headlight washer does not operate, go to “Headlight Washer Symptom Diagnosis (If Equipped)”.

NOTE
The headlight washer works only when the headlight is turned on. The headlight washer spouts 
washer fluid on the headlight surface when the headlight washer switch or front washer switch is 
turned on. In addition, in case using the front washer switch, the headlight washer works only once 
after the headlight on.

 

Condition

Possible cause

Correction / Reference Item

Headlight washer 
malfunction

Washer hose or nozzle clogged

Clean or repair clogged hose or nozzle.

Circuit fuse blown

Replace fuse and check for short circuit.

Headlight washer switch faulty

Check headlight washer switch referring to 
“Headlight Washer Switch Inspection (If 
Equipped)”.

Combination switch (washer switch) 
faulty

Check washer switch referring to “Windshield 
Wiper and Washer Switch Inspection”.

Headlight washer pump faulty

Check headlight washer pump referring to 
“Washer Pump Inspection”.

Wiring or ground faulty

Repair circuit.

Headlight washer control module faulty Check headlight washer control module 

referring to “Inspection of Headlight Washer 
Control Module and Its Circuit (If Equipped)”.

Wipers / Washers:  9D-3

Inspection of Headlight Washer Control Module and Its Circuit (If Equipped)

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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

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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.

9D-4 Wipers / Washers: 

Repair Instructions

Wipers and Washers Components

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(c)

(d)

11

10

5

6

13

16

10

(a)

(a)

1

2

2

4

3

(b)

15

11

9

7

8

10

10

20

1

14

12

14

18

19

17

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1. Windshield wiper blade

7. Washer pump for windshield 

washer

13. Rear wiper relay

19. Blower fan motor

2. Windshield wiper arm

8. Washer pump for rear washer

14. BCM

20. Headlight washer pump

(if equipped)

3. Windshield wiper motor

9. Washer tank

15. Windshield wiper bolt

: 14 N

⋅m (1.4 kgf-m, 10.5 lb-ft)

4. Windshield wiper link

10. Washer hose

16. Headlight washer nozzle (if 

equipped)

: 8.5 N

⋅m (0.85 kgf-m, 6.5 lb-ft)

5. Rear wiper arm with blade 

assembly

11. Washer nozzle

17. Front bumper

: 7 N

⋅m (0.7 kgf-m, 5.0 lb-ft)

6. Rear wiper motor

12. Wiper switch

18. Headlight washer control module 

(if equipped)

: 8  N

⋅m (0.8 kgf-m, 6.0 lb-ft)

Wipers / Washers:  9D-5

Washer Tank and Washer Pump Removal and 
Installation

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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) 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.
• After installing headlight housing be sure to inspect 

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

Washer Pump Inspection

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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.

Windshield Wiper Removal and Installation

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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).

1

2

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4

3

2

1

5

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

[C]: Headlight washer pump

(–)

(+)

(–)

(+)

[B]

[A]

[C]

(+)

(–)

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3

2

1

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