Honda ACCORD HYBRID 2005 Service Manual page 1586

Climate Control
S y m p t o m T r o u b l e s h o o t i n g I n d e x ( c o n t ' d )
Symptom Diagnostic procedure Also check for
AUTO button does not work
1. Turn the ignition switch ON (II).
2. Press the OFF button, then press the AUTO button
and check the display.
• If AUTO is displayed, but the climate control is
not working properly, do the self-diagnostic
(see page 21-9).
• If AUTO is not displayed, check for poor
connections at the audio-HVAC display panel
connector, if the connections are OK, replace the
audio-HVAC display panel.
Audio-HVAC display panel power
and ground circuit troubleshooting
(see page 21-64).
OFF button does not work 1. Turn the ignition switch ON (II).
2. Press the AUTO button, then press the OFF button
and check the display.
• If climate control display turns off, go to self-
diagnostic (see page 21-9).
• If the audio-HVAC display does not turn on,
replace the audio-HVAC display panel.
Dual button does not work 1. Turn the ignition switch ON (II).
2. Press the AUTO button, then press the DUAL button
several times and check the DUAL button LED. The
LED should toggle on and off as the button is
pressed.
• If the LED turns on and off, go to self-diagnostic
(see page 21-9).
• If the LED does not turn on or off, replace the
audio-HVAC display panel.
Recirculation button does not work 1. Turn the ignition switch ON (II).
2. Press the recirculation button several times and
check the button's LED. The LED should toggle on
and off as the button is pressed.
• If the LED turns on and off, go to recirculation
control motor test (see page 21-84).
• If the LED does not turn on or off, replace the
audio-HVAC display panel.
Defroster button does not work 1. Turn the ignition switch ON (II).
2. Press the AUTO button, then press the defroster
button several times and check the button's LED.
The LED should toggle on and off as the button is
pressed.
• If the LED turns on and off, go to self-diagnostic
(see page 21-9).
• If the LED does not turn on or off, replace the
audio-HVAC display panel.
Rear w i n d o w defogger button does not
work
1. Turn the ignition switch ON (II).
2. Press the rear w i n d o w defogger button several
times and check the button's LED. The LED should
toggle on and off as the button is pressed.
• If the LED turns on and off, go to rear window
defogger troubleshooting (see page 22-254).
• If the LED does not turn on or off, replace the
audio-HVAC display panel.
21-16