1999 Honda Accord air conditioning

Tiny
DERRICK DAVIS
  • MEMBER
  • 1999 HONDA ACCORD
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 250,000 MILES
When you turn on the a/c the a/c light blinks on and off. The fan blows but no cold air. Could this be a wiring problem?
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Saturday, August 8th, 2015 AT 6:49 AM

5 Replies

Tiny
KHLOW2008
  • EXPERT
It could be a wiring or sensor fault. Retrieve the trouble code to find out more about the problem.
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Saturday, August 8th, 2015 AT 8:49 AM
Tiny
DERRICK DAVIS
  • MEMBER
How do I get the trouble code? I know on some cars you can turn the switch off and on and the check engine light will blink out the code. Is the case with this car?
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Saturday, August 8th, 2015 AT 11:23 AM
Tiny
KHLOW2008
  • EXPERT
Is yours manual or automatic climate control?
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Sunday, August 9th, 2015 AT 5:09 AM
Tiny
DERRICK DAVIS
  • MEMBER
It is a manual control
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Tuesday, August 11th, 2015 AT 4:00 PM
Tiny
KHLOW2008
  • EXPERT
How To Use The Self Diagnostic Function

The HVAC control unit has a self diagnostic function for the heating, ventilation, and air
conditioning system. To run the self diagnostic function, do the following:
1. Turn the ignition switch to LOCK (0), and then to ON (II).
2. Set the FAN CONTROL dial to OFF, the TEMPERATURE CONTROL dial on Max
Cool, and select the VENT mode.
3. Turn the ignition switch to LOCK (0), and then to ON (II).
4. Press and hold the RECIRCULATION CONTROL button, then within 10 seconds press
and release the REAR WINDOW DEFOGGER/MIRROR DEFOGGER button five times.
Release the RECIRCULATION CONTROL button? The recirculation indicator blinks two
times, then the self diagnosis begins.

1 An open in the air mix control motor circuit
2 A short in the air mix control motor circuit
3 A problem in the air mix control linkage, door, or motor circuit
4 An open in the mode control motor circuit
5 A short in the mode control motor circuit
6 A problem in the mode control linkage, doors, or motor circuit
7 An open in the recirculation control motor circuit
8 A short in the recirculation control motor circuit
9 A problem in the recirculation control linkage, door, or motor circuit
10 An open or short in the mode control circuit
11 A problem in the mode control linkage, doors, or motor circuit
12 A problem in the blower motor circuit
13 HVAC control unit internal error
14 An open in the evaporator temperature sensor circuit
15 A short in the evaporator temperature sensor circuit
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Wednesday, August 12th, 2015 AT 6:55 AM

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