THEFT-ALARM SYSTEM
Troubleshooting
7.
DOOR KEY CYLINDER AND TRUNK
Sub fusible link
or storage connector
Door key
cylinder
switch
<FRONT.
LID UNLOCK SWITCH INPUT CIRCUIT
Description of operation
When the door key is rotated or the trunk lid key is unlocked,
LOW-level signals are sent to the ECU.
ECU terminal voltage (Connection condition of the ECU
connector)
ECU
Signal
Condition
Terminal
terminal No.
voltage
Door key
Not
cylinder
Door key rotate
switch
cylinder
(front,
Rotate
ov
Trunk lid key Trunk lid
Lock
cylinder
unlock switch cylinder
Unlock
ov
Checking the door key cylinder and trunk lid key cylinder unlock
switch circuit
ECU
Connected
terminal
to measured
Measurement
Tester
Check
Standard
No.
component
connection
Door key
Not
No
cylinder
@ - g r o u n d
continuity
Rotate
Continuity
Trunk lid
key cylinder
Trunk lid
Lock
No
unlock
Resistance
switch
cylinder
Unlock
Continuity
IOD: Ignition Off Draw
a
Checking individual part:
Door key cylinder switch Refer to GROUP
Handle
and Latch.
TSB Revision