2003 Acura TL No hear

Tiny
GRANTFARM
  • MEMBER
  • 2003 ACURA TL
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 90,000 MILES
My Ac works fine blowing cold air. When I turn the dial to heat i.E 90 it does not blow hot air. It just blows air from outside.
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Wednesday, September 22nd, 2010 AT 11:07 PM

5 Replies

Tiny
KHLOW2008
  • EXPERT
Hi grantfarm,

Thank you for the donation.

The HVAC system is equipped with a self diagnostic system and if any trouble codes are stored they can be retrieved to understand ths cause of the fault and proceed with diagnostics and rectification.

Is your vehicle Type S or not?
Is it equipped with navigation system?
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Thursday, September 23rd, 2010 AT 9:42 AM
Tiny
GRANTFARM
  • MEMBER
Mine is a Base model. Not the type S. It is not equipped with Navigation. The self diagnostic code I get is "I".
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Monday, September 27th, 2010 AT 12:48 PM
Tiny
KHLOW2008
  • EXPERT
Here are the description and diagnostic procedures.

DTC INDICATOR LIGHT I: AN OPEN IN THE AIR MIX CONTROL MOTOR CIRCUIT

1. Disconnect the air mix control motor 5P connector.

2. Disconnect climate control unit connectors A (12P) and B (20P).

3. Check for continuity between following terminals of climate control unit connectors A (12P) and B (20P) and the air mix control motor 5P connector.


http://www.2carpros.com/forum/automotive_pictures/192750_HVACDTC03TLFig39_1.jpg



http://www.2carpros.com/forum/automotive_pictures/192750_HVACDTC03TLFig40_1.jpg



Is there continuity?

YES -Check for loose wires or poor connections at climate control unit connectors A (12P) and B (20P) and at the air mix control motor 5P connector. If the connections are good, substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit.

NO -Repair any open in the wire(s) between the climate control unit and the air mix control motor.

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Monday, September 27th, 2010 AT 1:43 PM
Tiny
GRANTFARM
  • MEMBER
Thank You for the reply. First time I am trying to repair the car. Would like to learn. Sorry for asking basic questions.
1. WHere are the connectors?
2. How do I check the Continuity?
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Monday, September 27th, 2010 AT 9:25 PM
Tiny
KHLOW2008
  • EXPERT
To test for continuity, you would need an ohmmeter to probe the two ends of a wire that you are checking.

The connectors are at the air mix motor and climate control panel.


http://www.2carpros.com/forum/automotive_pictures/192750_HVACComp03TLFig04_1.jpg



http://www.2carpros.com/forum/automotive_pictures/192750_HVACComp03TLFig134_1.jpg

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Tuesday, September 28th, 2010 AT 10:36 AM

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