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P165 TOUCHKEY IMMOBILISER 

INSTALLATION GUIDE

SYSTEM SPECIFICATIONS

Suit for vehicle type

+2Volts Negative earth

Operating Voltage

0 - 5VDC

Current draw armed

5mA

Current draw disarmed

250mA

Immobilisation contact rating

2 x 30 Amps

Australian Standards approved AS/NZS 460

NORMAL OPERATION

The status LED will flash while the P165 is armed, the engine 

will be immobilised. Inserting and removing a valid Touchkey 

from the receptacle will disarm the immobiliser and extinguish 

the status LED. The vehicle can now be driven. If the ignition 

switch is not turned to the ‘ON’ position within 40 seconds, the 

P165 will automatically re-arm and immobilise the engine. The 

P165 will also auto-arm within 40 seconds of the engine being 

switched off after a journey.

CODING NEW TOuChkEYS

Should the client require extra Touchkeys for the P165, provision 

has been made for installers to program new Touchkeys. Each 

Touchkey is individually coded. To code a new touchkey 

complete the following procedure: - 

Ensure P165 is disarmed (status LED extinguished).
Turn ignition from ‘ACC’ position to ‘ON’ position seven times, 

counting once each time key is in the ‘ON’ position and leaving 

the key in the ‘ON’ position when seven is reached.

The status LED will begin to glow when the P165 is ready to 

accept a new Touchkey.

Insert the new Touchkey until status LED extinguishes. The P165  

will automatically timeout program mode after 0 seconds.

The P165 contains enough memory to remember four individual 

Touchkeys.

OVER-RIDING IMMOBILISER

If a Touchkey is lost, stolen or fails to operate, the client is able to 

over-ride the P165 by entering a Personal Identification Number 

(PIN) via the ignition switch. . This PIN is supplied on a PIN 

OVER RIDE CARD, and is unique to each system. To use the 

PIN carry out the following procedure: - 
Turn ignition switch to ‘ON’ position, the status LED will glow 

constantly.

Turn ignition switch to ‘ACC’ position and count LED flashes, 

turn ignition switch to ‘ON’ position when number of flashes 

corresponds with first number in PIN. The first PIN has now been 

entered.

Repeat step 2 for the final three numbers in the PIN.

At this time the status LED will extinguish and the engine can be 

started.
ANY DIGIT MARKED “0” INDICATES 0 FLASHES

ChANGING PIN

Disarm the P165. 

Turn ignition switch from the ACC position to the ON 

position 19 times, count each time key is in the ON position. 

Leave ignition ON when 9 is reached. Status LED will 

glow constantly. 
Turn ignition switch to the ACC position and count LED 

flashes corresponding to first digit of the new PIN, turn 

.
2.

3.

ignition to the ON position when count is achieved.

Repeat step 3 for last three PIN digits.
LED will flash quickly when all PIN digits are coded.

INSTALLATION 

The preferred location for control module is hidden behind dash, 

ensure the location will ensure the module will not suffer water 

ingressions from leaking vehicle seals.

All cables should be taped or sleeved with automotive PVC 

sleeving into one single loom. The length of this sleeving should 

enable the unit to be lowered down from hiding spot for future 

service work.
Solder and insulate all joins well to ensure good electrical 

connections.

All wires must be cut to length when connecting to destination, 

thus removing any wire identification.

INSTALLING TOuChkEY RECEPTACLE

Unplug the Touchkey receptacle cable from the control module 

end. Thread the cable through hole drilled on the dash. Then re-

insert into module.

WIRE DESCRIPTIONS

Chassis 

Use lug terminal and self-tapping tech screw screwed into metal 

bulkhead for chassis connections. There are two separate Ground 

wires from the system, these should be terminated and connected 

to separate points.

Power

Most suitable constant 2V power source will be found at fuse 

box or power feed to ignition switch.

ignition

Most suitable ignition source will be found leading from ignition 

switch. This wire must carry 2V only when ignition switch is 

in the ‘ON’ position. This wire should NOT be connected to an 

accessory supply.

immobilisation

Common power feed to EFI, fuel pump power feed, ignition 

power feed are good immobilisation points which should all be 

able to be located at the vehicle fuse box. Please select one for 

each of the immobilisation circuits.

sPare

The spare wire outputs a negative signal while the P165 is armed. 

By connection SPARE to a relay, the relay can energise the car 

horn if an attempt to hot wire the engine is made. If the Anti-

hotwire feature is not used, the SPARE wire should be loomed in 

amongst the other wires, but not connected to any wires.

4.
5.

CYCL PS

VEHICLE SOLUTIONS

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