Mitsubishi Electric 55624R(S)-MF Service Manual page 170

Chassis electrical
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KEY-REMINDER
2.
SWITCH INPUT CIRCUIT
Sub fusible link @
connector
JIB
THEFT-ALARM SYSTEM
Description of operation
The key-reminder switch is switched OFF and HIGH-level
signals are sent to the ECU when the key is inserted into the
ignition key cylinder: when the key is removed, the key-
reminder switch is switched ON and LOW-level signals are
sent to the ECU.
ECU terminal voltage (Connection condition of the ECU
connector)
ECU
terminal No.
Checking the key-reminder switch circuit (Disconnect the
connector of the ECU and check at the wiring harness side)
ECU
terminal
No.
Checking individual part:
ETACS
Key-reminder switch - Refer to P.54-6.
control unit
Ignition switch - Refer to P.54-6.
(electronic
control unit)
Signal
Key removed Battery positive voltage
Key-reminder
switch
Key inserted
Connected
Measurement
to measured
connection
component
R e s i s t a n c e @-ground I*
I
Terminal
Condition
voltage
ov
Tester
Check
Standard
condition
I

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