Honda ACCORD HYBRID 2005 Service Manual page 1587

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Symptom Diagnostic procedure
Also check for
MODE button does not work 1. Turn the ignition switch ON (II).
2. Press the MODE button and check the display.
• If the display scrolls through the modes as the
MODE button is pressed, go to self-diagnostic
(see page 21-9).
• If the display does not scroll the modes as the
MODE button is pressed, replace the audio-HVAC
display panel.
Fan control button does not work 1. Turn the ignition switch ON (II).
2. Press the AUTO button, then adjust the fan control
button up/down and check the display.
• If the display indicates the fan speed selection up/
down, go to self-diagnostic (see page 21-9).
• If the display does not indicate the fan speed
selection up/down, replace the audio-HVAC
display panel.
TEMP control dial does not work
1. Turn the ignition switch ON (II).
2. Press the AUTO button, then adjust the TEMP
control dial up/down and check the display.
• If the display indicates the change in temperature
up/down, go to self-diagnostic (see page 21-9).
• If the display does not indicate the change in
temperature up/down, replace the audio-HVAC
display panel.
Passenger's TEMP dial does not work 1. Turn the ignition switch ON (II).
2. Press the AUTO button, press the DUAL button,
then adjust the passenger's TEMP control dial up/
down and check the display.
• If the display indicates the change in temperature
up/down for the passenger's side, go to self-
diagnostic (see page 21-9).
• If the display does not indicate the change in
temperature up/down for the passenger's side,
replace the audio-HVAC display panel.
Audio-HVAC display panel will not run
self-diagnosis
1. Turn the ignition switch ON (II).
2. Press the A/C button, and then OFF button and
check the display.
• If the display turns on and off as the buttons are
pressed, there are no DTCs stored, troubleshoot
the individual symptoms.
• If the display does not respond as the buttons are
pressed, check for loose or poor connections at
the audio-HVAC display panel. If the connections
are OK, replace the audio-HVAC display panel.
More than one button is not working Audio-HVAC display panel power and ground circuit
troubleshooting (see page 21-64).
HVAC DTCs (see page 21-9)
Audio-HVAC display/button illumination
problems
Audio-HVAC display module illumination
troubleshooting (see page 23-66).
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