Great Wall Florid, Service Manual

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187 Electrical Accessories
Diagnostic
scanner
Engine ECU
Battery
+ -
Ignition switch
LED
620 Ω
LED
ON
ANTA
GND
ANTB
Battery
Ground
W wire
R wire
K wire
A4
A3
A1
A2
A8
A5
A7
B3
B2
B1
Coil
6. Theft deterrent controller's connecting plug
The theft deterrent controller has two connecting plugs: an 8-core A plug and a 3-core B plug.
Pin Pin definition
B1 Coil terminal A
B2 Coil terminal B
B3 GND
Theft deterrent controller
8-core A plug
Coil 3-core B plug pin definition
7. Immobilizer system matching
System matching is defined as a composition of independent immobilizer system components: The theft deter-
rent controller assembly, theft deterrent transponder, theft deterrent coil assembly, and engine ECU are com-
bined into a immobilizer control system through relevant downline matching equipment or scanners.The engine
can only start up when the well matched immobilizer system works normally.
Engine immobilizer system fault diagnostic and troubleshooting
Immobilizer system failure will lead to the engine ECU being blocked and the engine unable to start up. It does
Pin Pin definition
Rated working
voltage
Working
current
A1 Connected battery
positive pole
12 V <200 mA
A2 Ground 0 V <200 mA
A3 Connected LED 12 V <50 mA
A4 Connected ON end 12 V <50 mA
A5 Connected R wire 12 V <200 mA
A6 No connection
A7 Connected K wire 12 V <200 mA
A8 Connected W wire 12 V <200 mA
Note: Do not connect the A3 pin if the vehicle does not
have a theft deterrent indicator lamp
5. Immobilizer system wire connection diagram