Inspection Of Headlight Washer Control Module And Its Circuit - Suzuki GRAND VITARA Owner's Manual

9D-3 Wipers / Washers:

Inspection of Headlight Washer Control Module and Its Circuit

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.
Terminal
1 To headlight washer switch
2 Ground
3 To headlight washer motor
4 To lighting switch
5 To windshield washer switch
6 To ignition switch
3 2 1
6 5 4
Circuit Specification
0 – 1 V
4 – 6 V
0 – 1 V
0 – 1 V
10 – 14 V
0 – 1 V
10 – 14 V
0 – 1 V
10 – 14 V
0 – 1 V
10 – 14 V
Condition
Ignition switch is at ON position, lighting switch is at
HEAD position and headlight washer switch is pushed.
Ignition switch is at ON position and headlight washer
switch is not pushed.
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
When headlight washer pump is not in operation.
Lighting switch is at HEAD position.
Lighting switch is at OFF position.
Ignition switch is at ON position and windshield washer
switch is at ON position.
Ignition switch is at ON position and windshield washer
switch is at OFF position.
Ignition switch is at OFF position.
Ignition switch is at ON position.
S5JB0A9404005
I5JB0A940001-01
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