EXTERIOR TRIM
09-16–11
Mazda MX-5
FAIL-SAFE FUNCTION
• The power retractable hardtop control module monitors each input/output part, and if a malfunction is detected,
performs the following actions.
Item Detection Condition Action after malfunction detected Recovery condition
Power supply
voltage error
Power supply voltage is 7.5 V
or less, or 17.5 V or more.
• Power retractable hardtop not
operated → Inhibits Power
retractable hardtop operation
• Power retractable hardtop operating
→ Stops Power retractable hardtop
operation
Power supply voltage is
between 8.5 to 16.5 V.
Roof/deck panel
motor Hall sensor
power supply
voltage error
Sensor power supply voltage is
5 V or less.
Stops motor operation The ignition switch is turned
from the ON position in the
following order.
• OFF→ ON
Roof/deck panel
motor Hall sensor
malfunction
Roof/deck panel motor Hall
sensor pulse signal cannot be
detected.
Temporarily stops the operation,
however, the operation can be
performed by turning on the Power
retractable hardtop switch again.
Pulse signal detected
Door glass open
notification signal
error
Door glass open notification
signal cannot be detected.
• If the signal is detected during the
Power retractable hardtop close
operation, inhibits the operation after
the Power retractable hardtop is fully
closed. (Only deck panel can
operate.)
• If the signal is detected during the
Power retractable hardtop open
operation, the open operation
continues and after the operation
finishes, the close operation can be
performed only once. Inhibits the
operation after the Power retractable
hardtop is fully closed. (Only deck
panel can operate.)
Door glass open notification
signal can be detected.
Open notification signal is
received continuously for 30 s
or more.
• If the signal is detected with the
Power retractable hardtop fully
closed and not operating, inhibits the
operation.
• If the signal is detected with the
Power retractable hardtop fully open
and not operating, the Power
retractable hardtop close operation
can be performed only once. Inhibits
the operation after the Power
retractable hardtop is fully closed.
Continuous reception of the
open notification signal stops
temporarily.
Roof/deck panel
motor malfunction
Supply voltage to the motor is
lowered.
Stops motor operation The ignition switch is turned
from the ON position in the
following order.
• OFF→ ON
Roof motor (Left
and right position
combination)
Difference in pulse count
number between left and right
is at a certain level or more.
Stops motor operation Power retractable hardtop
switch is operated again.
However, if detected three
times or more, the ignition
switch is turned from the ON
position in the following order.
• OFF→ ON
Deck panel motor
(Left and right
position
combination)
Difference in pulse count
number between left and right
is at a certain level or more.
Stops motor operation Power retractable hardtop
switch is operated again.
However, if detected three
times or more, the ignition
switch is turned from the ON
position in the following order.
• OFF→ ON
Power retractable
hardtop/deck
panel limit switch
malfunction
The Power retractable hardtop/
deck panel limit switch is
malfunctioning.
Inhibits Power retractable hardtop
operation.
Normal logic is detected.
3404-1U-05F(09-16).fm 11 ページ ２００６年７月３日 月曜日 午前９時５２分
To Next Page
Loading...
