Suzuki XL7 2007 Service Manual page 1860

7A-46 Heating, Ventilation and Air Conditioning:
Defrosting Insufficient
Step
DEFINITION: Time required to defrost the windshield is longer than usual.
Were you sent here from Symptoms or another diagnostic
1 table?
1. Start the engine.
2. Select the DEFROST mode.
2
3. Select the maximum blower speed.
Does sufficient air flow from the defroster outlets?
Measure the engine operating temperature.
3
Does engine reach normal operating temperature?
1. Select the minimum blower speed.
2. Select the warmest temperature setting.
3. Feel the temperature of the inlet and outlet hoses at the
4
heater core.
Does the inlet heater hose feel warmer than the outlet heater
hose?
Test the operation of the A/C compressor clutch.
5
Does the A/C compressor clutch engage?
Repair the A/C compressor clutch. Refer to "Air Conditioning
6 Compressor Malfunction".
Is the repair complete?
Perform the A/C system performance test. Refer to "Air
Conditioning (A/C) System Performance Test (w/ C69)" "Air
7
Conditioning (A/C) System Performance Test (w/o C69)".
Is the A/C system operating within the specifications?
Repair the low engine temperature concern. Refer to "Engine
8 Fails To Reach Normal Operating Temperature: ".
Is the repair complete?
Inspect for correct operation of the recirculation door.
9
Is the recirculation door operating correctly?
Repair the air delivery concern. Refer to "Air Delivery
10 Improper".
Is the repair complete?
Repair the heating concern. Refer to "Heating Performance
11 Diagnostic".
Is the repair complete?
Repair the A/C performance concern. Refer to "Air
Conditioning (A/C) System Performance Test (w/ C69)" "Air
12
Conditioning (A/C) System Performance Test (w/o C69)".
Is the repair complete?
Repair the recirculation door concern. Refer to "Air
13 Recirculation Malfunction".
Is the repair complete?
Operate the system in order to verify the repair.
14
Did you find and correct the condition?
Action Yes
Go to "Symptoms -
Go to Step 2 HVAC Systems -
Automatic"
Go to Step 3 Go to Step 10
Go to Step 4 Go to Step 8
Go to Step 11 Go to Step 5
Go to Step 7 Go to Step 6
Go to Step 14
Go to Step 9 Go to Step 12
Go to Step 14
Go to Step 14 Go to Step 13
Go to Step 14
Go to Step 14
Go to Step 14
Go to Step 14
System OK Go to Step 2
No
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