Honda Accord: HVAC Control Power and Ground
Circuit Troubleshooting
1. Check the No. 16 (7.5 A) fuse in the driver's under-dash fuse/ relay box.
Is the fuse OK? YES
-Go to step 2.
NO
-Replace the fuse, and recheck. If the fuse blows again, check for a short in the No. 16 (7.5 A) fuse circuit.
2. Disconnect the HVAC control unit 24P connector.
3. Turn the ignition switch to ON (II).
4. Measure the voltage between HVAC control unit 24P connector terminal No. 11 and body ground.
HVAC CONTROL UNIT 24P CONNECTOR
Wire side of female terminals
Is there battery voltage? YES
-Go to step 5.
NO
-Repair an open in the wire between the No. 16 (7.5 A) fuse in the driver's under-dash fuse/relay box and the HVAC control unit.
5. Turn the ignition switch to LOCK (0).
6. Check for continuity between HVAC control unit 24P connector terminal No. 23 and body ground.
HVAC CONTROL UNIT 24P CONNECTOR
Wire side of female terminals
Is there continuity? YES
-Check for loose wires or poor connections at the HVAC control unit 24P connector. If the connections are good, substitute a known-good HVAC control unit (see page 21-65), and recheck.
NO
-Check for an open in the wire between the HVAC control unit and body ground. If the wire is OK, check for poor ground at G401 (see page 22-40).
Recirculation Control Motor Circuit
Troubleshooting
908-09 models 4-door with A/T and '10 model
with AT
1. Check the No. 16 (7.5 A) fuse in the driver's
under-dash fuse/ relay box.
Is the fuse OK?
YES-Go to step 2.
NO-Replace the fuse, and re ...
A/C Condenser Fan Circuit
Troubleshooting
NOTE:
• Do not use this troubleshooting procedure if the
radiator fan and/or the A/C compressor is inoperative.
Refer to the symptom troubleshooting index.
• Before doing symptom tro ...
See also:
Audio/Information Screen
Displays the audio status and wallpaper. From this screen, you can go to
various
setup options.
• Switching the Display
Press the DISP button to go to the Function Change screen.
Ro ...
DTC Troubleshooting
DTC P0010: VTC Oil Control Solenoid Valve
Malfunction
NOTE: Before you troubleshoot record all freeze data
and any on-board snapshot and review the general
troubleshooting Information (see page 11 ...
System Description
SRS Components
Airbags
The SRS is a safety device which, when used with the seat belt, is designed
to help protect the driver and front
passenger in a frontal impact exceeding a certain set limit ...