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TL: I have a 2004 Acrua TL. When i run the AC, cold air is

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I have a 2004 Acrua...
I have a 2004 Acrua TL. When i run the AC, cold air is not coming out of the vents. i ran the DTC diagnostic which generated a number of codes (I, K, L, N, and Q) which are related to the driver's and passenger's air mix and the passenger's mode control motor circuit. Can you recommend any next steps for me to take?
Submitted: 1 year ago.Category: Acura
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4/17/2016
Mechanic for Acura: MASTER TECH, Acura Technician replied 1 year ago
MASTER  TECH
MASTER TECH, Acura Technician
Category: Acura
Satisfied Customers: 5,757
Experience: 30 years of Honda training and a master Acura tech
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Hello welcome to just answer I am master tech and will be able to assist you.so are you able to adjust the temp to hot and then back down to cold ?
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Customer reply replied 1 year ago
When i adjust the temp to hot, then hot air comes out of the vents although the flow to the upper center vents seems a bit weak. When i adjust the temp to cold with AC 'on', the air is cooler but not cold. When i make the adjustments, i don't hear any type of switching or shifting sounds that i might expect to occur in the background. Also, when i ran in sensor input display mode, for sensor #6 (driver's air mix opening) an ER was generated. For #7 (passenger's air mix opening) the value wasn't fixed - it showed a number and then quickly showed a different one.
Mechanic for Acura: MASTER TECH, Acura Technician replied 1 year ago
ok so the mode motor is working then if it's changing temps.now have you checked the freon level yet ? if so what are the high and low side temps while running and static pressures?
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Mechanic for Acura: MASTER TECH, Acura Technician replied 1 year ago
the mode motors are pretty quiet so not much back ground noise will be heard from them unless they start to to fail
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Customer reply replied 1 year ago
I haven't checked the freon levels. How do you suggest that I do this as I've never done it before? Based on the DTC codes related to the mix control, wouldn't you begin to look at the root cause for them or are you suggesting that low freon could be the cause?
Mechanic for Acura: MASTER TECH, Acura Technician replied 1 year ago
yes the system will not cool properly and will set codes.if your not familiar with this then you will need a shop to perform this as they have the a/c machines to perform this service.
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Customer reply replied 1 year ago
how about a can of the R1234a with a guage? Would that help? I see that i can purchase at a local auto store or Walmart.
Mechanic for Acura: MASTER TECH, Acura Technician replied 1 year ago
no you will need to get a high side reading also.the stuff thats sold at the parts stores to recharge contains about 70% oil and other sealers that damage system over a period of time.so I don't recommend this at all.
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Mechanic for Acura: MASTER TECH, Acura Technician replied 1 year ago
but if that's the route you want to go then you will need to first get a pressure reading High and Low side thats a must.then if the system is low it will need to be evacuated and then you can recharge it with that method you mentioned.the freon we use in the machines is pure and contains no sealers or anything.we manually add pag oil to the system as needed.
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Mechanic for Acura: MASTER TECH, Acura Technician replied 1 year ago
Hello just checking in to see what progress you made since we last chatted
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Customer reply replied 1 year ago
I've made an appointment with a local mechanic to take the pressure readings and determine next steps
Mechanic for Acura: MASTER TECH, Acura Technician replied 1 year ago
ok sounds good I will wait for your results
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