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Firstech CM-900 - Common Troubleshooting Scenarios

Firstech CM-900
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Is the CM-900 compatible with Manual Transmission vehicles?
A: No, the CM-900 remote start system is compatible with Automatic Transmission vehicles only.
What is the thick blue wire on CN1 and the jumper in the control module?
A: This wire is ran to an internal relay on the control module. This wire can be used to power up a 2
nd
Ignition, 2
nd
Starter, or 2
nd
Accessory wire on the vehicle. The behavior of the wire is changed by the
internal jumper in the control module.
How do I set the auxiliaries?
A: The auxiliary outputs on this unit can be triggered via two analog POC wires or through a supported
bypass module.
All my connections are made, how do I program the tach?
A: Start the vehicle with the key. Hold the foot brake down. While holding the foot brake down hold the
Start button down for 3 seconds. If the system flashes the parking lights once then the tach is
programmed. If it flashes three times, pause and then a certain amount please review the “Common
Procedures” section of this manual.
The vehicle starts and shuts down 3 times in a row.
A: This usually means that the engine sensing mode is not working correctly. If you are using a coil,
change to an injector or try alternator mode. If you are using the tachless sensing mode and it does not
start check the two power wire on the control module. If it does not remote start you may try setting 4
assume start otherwise the only alternative is finding a tach or alternator sense wire.
The vehicle will lock and unlock, but will not remote start or flash the parking lights.
A: The system is in Valet Mode. Tap the Lock and Trunk Buttons and the same time for a half second to
exit Valet Mode. If that does not work try reprogramming the remotes again.
Do the door locks flip-flop in polarity?
A: No. You can use the FT-DM-700 (relay pack) for high current positive (+) locks, or the FT-DM-600
harness used for low current 600mA positive (+) locks. If those are not available you must use two SPDT
relays to invert the polarity.

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