THEFT-DETERRENT CONTROL MODULE INSPECTION


BME091467790W02

1. Remove the theft-deterrent control module without disconnecting the connectors.

2. Measure the voltage at the theft-deterrent control module terminals as indicated below.

3. Disconnect the theft-deterrent control module connector before inspecting for continuity at terminals B, N, O, P, and T.

4. If not as specified, inspect the parts listed under "Action."

• If the parts and wiring harnesses are okay but the system still does not work properly, replace the theft-deterrent control module.

Terminal Voltage Table (Reference)

Terminal

Signal

Connected to

Test condition

Voltage (V)/continuity

Action

A
-
-
-
-
-
B
Theft-deterrent control module ground
GND
Under any condition: inspect for continuity to ground
Yes
• Inspect GND
C
-
-
-
-
-
D
-
-
-
-
-
E
Theft-deterrent horn on/off
Theft-deterrent horn relay
Theft-deterrent system alarm 1: Other
B+
• Inspect theft-deterrent horn relay
• Inspection related harness
Theft-deterrent system alarm 1: Active
Alternates below 1.0 and B+
F
Key reminder switch on/off
Key reminder switch
Key reminder switch on
B+
• Inspect key reminder switch
• Inspect related harness
Key reminder switch off
Below 1.0
G
-
-
-
-
-
H
-
-
-
-
-
I
-
-
-
-
-
J
-
-
-
-
-
K
-
-
-
-
-
L
-
-
-
-
-
M
-
-
-
-
-
N
Lock/unlock
Driver's door lock-link switch
Driver's door lock-link switch locked: inspect for continuity to ground
No
• Inspect driver's door lock-link switch
• Inspect related harness
Driver's door lock-link switch unlocked: inspect for continuity to ground
Yes
O
Lock/unlock
• Passenger's door lock-link switch
• Sliding door lock-link switch
Sliding door closed
Passenger's and sliding door lock-link switch locked: inspect for continuity to ground
No
• Inspect passenger's or sliding door lock-link switch
• Inspect related harness
Passenger's and sliding door lock-link switch unlocked: inspect for continuity to ground
Yes
P
Bonnet open/closed
Bonnet switch
Bonnet switch on: inspect for continuity to ground
Yes
• Inspect bonnet switch
• Inspect related harness
Bonnet switch off: inspect for continuity to ground
No
Q
Door key cylinder switch
• Driver's door key cylinder switch
• Passenger's door key cylinder switch
• Liftgate key cylinder switch
Driver's or passenger's door or liftgate locked with key or transmitter
2.5
• Inspect driver's or passenger's door key cylinder switch
• Inspect liftgate key cylinder switch
• Inspect related harness
Driver's or passenger's door or liftgate unlocked with key or transmitter
Below 1.0
Other
5
R
-
-
-
-
-
S
Security light on/off
Security light
Security light on
Below 1.0
• Inspect security light
• Inspect related harness
Security light off
B+
T
Door open/closed
• Door switch
• Cargo compartment light switch
Any door or liftgate open: inspect for continuity to ground
Yes
• Inspect door switch
• Inspect cargo compartment light switch
• Inspect related harness
All doors and liftgate closed: inspect for continuity to ground
No
U
Hazard warning signal output
Flasher unit
Theft-deterrent system alarm 1: Active
Below 1.0
• Inspect flasher unit
• Inspect related harness
Theft-deterrent system alarm 1: Other
B+
V
Keyless entry system discernment signal input
Keyless unit
Under any condition
5
• Inspect keyless unit
• Inspection related harness
W
IG1
ENGINE 10 A fuse
Ignition switch at ON position
B+
• Inspect ignition switch
• Inspect ENGINE 10 A fuse
• Inspect related harness
Ignition switch at LOCK or ACC position
Below 1.0
X
Power supply
ROOM 15 A fuse
Under any condition
B+
• Inspect ROOM 15 A fuse