T86
THEFT-DETERRENT SYSTEM
THEFT-DETERRENT CONTROL MODULE REMOVAL/INSTALLATION
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1. Disconnect the negative battery cable.
2. Remove the center panel module. (See T96 CENTER PANEL MODULE REMOVAL/INSTALLATION.)
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
End Of Sie
THEFT-DETERRENT CONTROL MODULE INSPECTION
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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 L, Q, S, T,
and V.
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)
1Screw
2 Connector
3 Theft-deterrent control module
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Terminal Signal Connected to Test condition
Voltage (V)/
continuity
Action
A
BIG1
METER IG 15 A
fuse
Ignition switch at ON
position
B+
• Inspect ignition switch
(See T20 IGNITION
SWITCH INSPECTION)
• Inspect METER IG 15 A
fuse
• Inspect related harness
Ignition switch at
LOCK or ACC position
Below 1.0
C Power supply ROOM 15 A fuse Under any condition B+
• Inspect ROOM 15 A fuse
• Inspect related harness
D
E
F
Intruder sensor power
supply
Intruder sensor
Theft-deterrent system
pre-arming or arming
B+
• Inspect related harness
Other Below 1.0
G Security light on/off Security light
Security light on Below 2.0
• Inspect security light
• Inspect related harness
Security light off B+
H
Hazard warning signal
output
Flasher unit
Theft-deterrent system
alarm: Active
Alternates
between
below 1.0
and B+
• Inspect flasher unit
(See T44 FLASHER
UNIT INSPECTION)
• Inspect related harness
Theft-deterrent system
alarm: Other
B+
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