Refer To Group - Mitsubishi Electric 55624R(S)-MF Service Manual

4. DOOR SWITCH (ALL DOORS) INPUT CIRCUIT
Sub fusible link @
J/B
connector
J/B
Door switch
THEFT-ALARM SYSTEM
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.
by using an oscilloscope.
Checking the door switch circuit (Disconnect the connector of
the ECU and check at the wiring harness side)
Checking individual part:
Door switch - Refer to GROUP 42-Door Assembly.
TSB Revision
Signal Condition
Terminal
voltage
I