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Blower Motor Resistor Removal And Installation; Blower Motor Resistor Inspection - Suzuki SX4 Service Manual

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• Check for operation and current.
a. Put blower motor (1) in a soft-jawed vise.
b. Connect battery to blower motor as shown.
c. Check if blower motor operates smoothly without
noise.
d. Check if ammeter indicates the specified current.
If measured current is out of specification, replace
blower motor.
Blower motor specified current at 12 V
18.5 A maximum at 20 – 25 °C (68 – 77 °F)

Blower Motor Resistor Removal and Installation

Removal
1) Disconnect negative (–) cable from battery.
2) Remove glove box from instrument panel.
3) Remove passenger side foot duct (1) from HVAC
unit by removing screw (2).
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1
I7RW01710006-01
S7RW0A7106005
2
I7RW01710007-01
Heater and Ventilation:
4) Disconnect connector (1) from blower motor resistor
(2), and then remove blower motor resistor from
HVAC unit by removing screws (3).
Installation
Reverse removal procedure.

Blower Motor Resistor Inspection

Measure each terminal-to-terminal resistance. If
measured resistance is out of specification, replace
blower motor resistor.
Blower motor resistor resistance
"H" – "MH": Approx. 0.43 Ω at 20 – 25 °C (68 – 77 °F)
"MH" – "ML": Approx. 0.6 Ω at 20 – 25 °C (68 – 77 °F)
"ML" – "L": Approx. 2.0 Ω at 20 – 25 °C (68 – 77 °F)
7A-5
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I7RW01710008-01
S7RW0A7106006
I7RW01710009-02

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