Suzuki XL7 2007 Service Manual page 1873

Air Delivery Improper
Diagnostic Instructions
• Perform the "Diagnostic System Check - Vehicle Diagnostic Information: " prior to using this diagnostic procedure.
• "Strategy Based Diagnosis: "
• "Diagnostic Procedure Instructions - Vehicle Diagnostic Information: "
Test Description
The numbers below refer to the step numbers on the diagnostic table.
13.
The test lamp should illuminate while trying to command the appropriate mode door in both directions.
15.
Two ignition circuits supply the HVAC control module. Test the ignition 1 voltage circuit.
Step
Schematic Reference: "HVAC Schematics"
Connector End View Reference: "HVAC Connector End Views"
DEFINITION: Air does not flow correctly from the air distribution outlets.
Did you perform the Diagnostic System Check - Vehicle?
1
1. Turn ON the ignition, with the engine OFF.
2
2. Place the blower motor switch in the OFF position.
Is the blower motor OFF?
Place the blower motor switch in each speed position.
3
Does the blower motor operate in any speed position?
Does the blower motor operate in each speed position?
4
Are all of the HVAC control module controls except for the
5
blower motor inoperative?
1. Place the blower motor switch in the maximum speed
position.
2. Place the mode switch in the vent position.
3. Place the recirculation switch in the ON position.
6
4. Observe the recirculation door.
5. Place the recirculation door in the outside air position.
Does the recirculation door move from the recirculation to the
outside air position?
1. Place the blower motor switch in the maximum speed
position.
7
2. Place the mode switch in each mode position.
Does air flow sufficiently from the proper air distribution outlets
for each selected mode position?
Inspect the air delivery system for the following conditions:
• A dirty HVAC air filter, if applicable
• An obstruction to the airflow
8
• Air leaks
• Misaligned air ducts
Did you find and correct the condition?
Action
Heating, Ventilation and Air Conditioning:
Yes
Go to Step 2
Go to Step 3
Go to Step 4
Go to Step 5
Go to Step 15
Go to Step 7
Go to "Testing for
Intermittent
Conditions and Poor
Connections: "
Go to Step 21
7A-59
No
Go to "Diagnostic
System Check -
Vehicle Diagnostic
Information: "
Go to "Blower Motor
Malfunction"
Go to "Blower Motor
Malfunction"
Go to "Blower Motor
Malfunction"
Go to Step 6
Go to "Air
Recirculation
Malfunction"
Go to Step 8
Go to Step 9