MB-31 (BECU) - Body ground

-

Input

Battery power supply

Always

11 to 14 V

-

MB-32 (IG) - Body ground

-

Input

Ignition power supply (IG signal)

Ignition switch off

Below 1 V

IG SW

Ignition switch ON

11 to 14 V

MB-30 (ACC) - Body ground

-

Input

Ignition power supply (ACC signal)

Ignition switch off

Below 1 V

ACC SW

Ignition switch ACC

11 to 14 V

MB-11 (GND1) - Body ground

-

-

Ground

Always

Below 1 Ω

-

K52-1 (FLCY) - Body ground

W - Body ground

Input

Front door courtesy light switch assembly (for LH) input

Front door LH closed

10 kΩ or higher

FL Door Courtesy SW

Front door LH open

Below 1 Ω

K52-6 (FRCY) - Body ground

BE - Body ground

Input

Front door courtesy light switch assembly (for RH) input

Front door RH closed

10 kΩ or higher

FR Door Courtesy SW

Front door RH open

Below 1 Ω

MB-13 (LCTY) - Body ground

-

Input

Rear door courtesy light switch assembly (for LH) input

Rear door LH closed

10 kΩ or higher

RL Door Courtesy SW

Rear door LH open

Below 1 Ω

MB-2 (RCTY) - Body ground

-

Input

Rear door courtesy light switch assembly (for RH) input

Rear door RH closed

10 kΩ or higher

RR Door Courtesy SW

Rear door RH open

Below 1 Ω

K52-30 (HCTY) - Body ground

GR - Body ground

Input

Engine hood courtesy switch input

Engine hood open

10 kΩ or higher

Hood Courtesy SW

Engine hood closed

Below 1 Ω

MB-4 (LGCY) - Body ground

-

Input

Luggage compartment door courtesy light switch input

Luggage compartment door closed

10 kΩ or higher

Luggage Courtesy SW

Luggage compartment door open

Below 1 Ω

MB-3 (KSW) - Body ground*

-

Input

Unlock warning switch input

Key not in ignition key cylinder

10 kΩ or higher

Key Unlock Warning SW

Key in ignition key cylinder

Below 1 Ω

MB-14 (TRLY) - Body ground

-

Output

Taillight relay drive output

Always

11 to 14 V

-

3B-13 (LSFL) - Body ground

W - Body ground

Input

Front door LH unlock detection switch input

Front door LH unlocked

Below 1 V

FL Door Lock Pos SW

Front door LH locked

11 to 14 V

3B-12 (LSFR) - Body ground

GR - Body ground

Input

Front door RH unlock detection switch input

Front door RH unlocked

Below 1 V

FR Door Lock Pos SW

Front door RH locked

11 to 14 V

K53-18 (L2) - Body ground

LG - Body ground

Input

Driver door key-linked lock input

Driver door key cylinder turned to lock position

Below 1 V

Door Key SW-Lock

Driver door key cylinder off

11 to 14 V

K53-17 (UL3) - Body ground

BE - Body ground

Input

Driver door key-linked unlock input

Driver door key cylinder turned to unlock position

Below 1 V

D Door Key SW-UL

Driver door key cylinder off

11 to 14 V

3B-14 (LSWL) - Body ground

GR - Body ground

Input

Rear door LH unlock detection switch input

Rear door LH unlocked

Below 1 V

RL-Door Lock Pos SW

Rear door LH locked

11 to 14 V

K51-20 (LSWR) - Body ground

L - Body ground

Input

Rear door RH unlock detection switch input

Rear door RH unlocked

Below 1 V

RR-Door Lock Pos SW

Rear door RH locked

11 to 14 V

3A-20 (SH) - Body ground

L - Body ground

Output

Security horn assembly drive

Security horn assembly sounding

(Theft deterrent system in alarm sounding state)

Pulse generation

(Below 1 V ← → 11 to 14 V)

-

3C-27 (HORN) - Body ground

W - Body ground

Output

Vehicle horns drive

Vehicle horns sounding

(Theft deterrent system in alarm sounding state)

Pulse generation

(Below 1 V ← → 11 to 14 V)

-

3C-31 (HRLY) - Body ground

V - Body ground

Input

Headlight relay drive output

Low beams blinking

(Theft deterrent system in alarm sounding state)

Pulse generation

(Below 1 V ← → 11 to 14 V)

Hood Courtesy SW

3B-29 (ILE) - Body ground

G - Body ground*1

GR - Body ground*2

Output

Interior lights drive output

Interior lights illuminated

(Theft deterrent system in alarm sounding state)

Below 1 V

-

K52-7 (IND) - Body ground*

B - Body ground*3

Output

Security indicator illumination

Security indicator light illuminated

(Theft deterrent system in alarm sounding state)

3 to 10 V

-