Honda Accord: Circuit Diagram
'08-09 Models


10 Model


System Description
The air conditioning (A/C) system removes heat from the passenger compartment
by transferring heat from the ambient
air to the evaporator. The A/C system refrigerant expands in the evaporator, and ...
DTC Troubleshooting
DTC indicator 1: An Open in the Air Mix
Control Motor Circuit
1. Turn the ignition switch to LOCK (0), and then to
ON (II).
2. Do the self-diagnostic function with the HVAC control
unit (see pa ...
See also:
Alternator FR Signal Circuit
Troubleshooting
1. Start the engine, and let it idle.
2. Monitor the ALTERNATOR in the DATA LIST with the
HDS.
3. Check if the indicated percentage varies when the
headlight switch is turned on.
Does the p ...
Instrument Panel Brightness
The select/reset knob on the
instrument panel controls the
brightness of the instrument panel
lights. Turn the knob to adjust the
brightness with the ignition switch in
the ON (II) positio ...
Moonroof
If equipped
The moonroof can be tilted up in the
back for ventilation, or it can be slid
back into the roof. Use the switch on
the front ceiling to operate the
moonroof. You must turn the
...