Mazda CX-9 Grand Touring 2008, Руководство пользователя

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NO.11 DUAL A/C CONTROL DOES NOT OPERATE
NO.11 DUAL A/C CONTROL DOES NOT OPERATE DESCRIPTION AND POSSIBLE CAUSE
DIAGNOSTIC PROCEDURE
INSPECTION .)
z
Is it okay?
No Replace magnetic clutch, then go to Step 19.
18
CHECK TO SEE WHETHER
MALFUNCTION IS IN A/C
COMPRESSOR OR REFRIGERANT
LINES
z
Is noise emitted from A/C
compressor?
Yes
Visually inspect A/C compressor, replace
appropriate parts if necessary, then go to the next
step.
No
If noise is due to refrigerant lines, repair detached
or missing clips, tighten loose bolts, then go to
the next step.
19
VERIFY THAT MALFUNCTION
SYMPTOM OCCURS AFTER REPAIR
z
Has A/C compressor noise stopped?
Yes
Troubleshooting completed.
Explain repairs to customer.
No Recheck malfunction symptoms, then repeat from
Step 1 if malfunction recurs.
(1) If there is gas leakage, air enters into the A/C system. The desiccant within the receiver/drier absorbs
the moisture from the air and becomes saturated. If the A/C system is used in this condition, the
inside of the A/C compressor will begin to rust due to this moisture, which may cause lock up or
noise to occur. Therefore, replacement of the receiver/drier is necessary.
11 Dual A/C control function does not operate
DESCRIPTION
z
Driver or passenger-side temperature control does not operate individually
POSSIBLE
CAUSE
z
Driver-side air mix door malfunction (stuck)
z
Passenger-side air mix door malfunction (stuck)
z
driver-side front air mix actuator malfunction
z
Passenger-side front air mix actuator malfunction
z
Driver-side front air mix actuator position sensor malfunction
z
Passenger-side front air mix actuator position sensor malfunction
z
Open, short circuit in wiring or poor connection between front climate control
unit and driver-side front air mix actuator
z
Open, short circuit in wiring or poor connection between front climate control
unit and passenger-side front air mix actuator
z
Open, short circuit in wiring or poor connection between front climate control
unit and driver-side front air mix actuator position sensor
z
Open, short circuit in wiring or poor connection between front climate control
unit and passenger-side front air mix actuator position sensor
z
Front climate control unit malfunction
2008 Mazda CX-9 Grand Touring
2008 HVAC Symptom Troubleshooting (HVAC) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 10:14:51 AM Page 33 © 2005 Mitchell Repair Information Company, LLC.