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Blower Motor Relay Inspection; Hvac Control Unit Components - Suzuki SX4 Service Manual

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7A-6 Heater and Ventilation:

Blower Motor Relay Inspection

1) Disconnect negative (–) cable at battery.
2) Disable air bag system referring to "Disabling Air
Bag System in Section 8B".
3) Remove junction block assembly (2).
4) Disconnect blower motor relay (1) from junction
block assembly (2).
5) Check that there is no continuity between terminal
"C" and "D". If there is continuity, replace relay.
6) Connect battery positive (+) terminal to terminal "B"
of relay. Connect battery negative (–) terminal "A" of
relay.
Check continuity between terminal "C" and "D".
If there is no continuity when relay is connected to
the battery, replace relay.

HVAC Control Unit Components

1. Heater control body assembly
2. Air flow selector
3. Blower speed selector
S7RW0A7106007
1
7
9
8
3
2
4. Bulb
5. Temperature control cable
6. Air flow control cable
"A"
"B"
"D"
4
5
6
10
I5RW0A710005-01
7. Air intake selector
8. Temperature selector
9. A/C switch (if equipped)
1
2
"C"
I4RS0B710008-01
S7RW0A7106008
10. Rear defogger switch

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