-
L
CHASSIS ELECTRICAL
-
Theft-alarm System
54-225
NOTE
rl:UP
to
1993
moaels
f2:From
1994
modet.s
KX55-AK-R540¶-N
3. HOOD SWITCH INPUT CIRCUIT
Description of operation
When the hood is closed (the hood switch is switched OFF),
HIGH-level signals are sent to the ECU:
When the hood is opened (the hood switch is switched ON),
LOW-level signals are sent to the ECU.
ECU terminal voltage (Connection condition of the. ECU con-
nector).
ECU
terminal
No.
18
Signal
condition
Terminal
voltage
Hood
switch Hood
Open OV
Closed 5
V*
*
Measurement is not possible by using a voltmeter, but is possible
by using an oscilloscope.
4. DOOR SWITCH INPUT CIRCUIT
Description of operation
When the door is closed (the door switch is switched OFF),
HIGH-level signals are sent to the ECU:
When the door is opened (the door switch is switched ON),
LOW-level signals are sent to the ECU.
ECU terminal voltage (Connection condition of the ECU).
ECU
terminal
No.
Signal
Condition
Terminal
voltage
10
Driver door Driver
switch
door
Open OV
Closed 5
V*
Passenger
Passen-
Open 0 V
door switch
ger
door
Closed
5
v*
I
,
I
I
I
*
Measurement is not possible by using a voltmeter, but is possible
by using an oscilloscope.
TSB Revision
To Next Page
Loading...
