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STEP 2: Test wire and make connection. With the vehicle off the wire should test 0 Volts AC. At idle the
tach wire should test between 1 to 5 Volts AC. As the vehicle RPM's increase the voltage on the meter
will also increase. Always solder tach connections.
STEP 3: Learn tach. While the vehicle is at idle, hold the foot brake and press and hold the remote start
button on the remote control for 2.5 seconds.
The parking lights will flash once to confirm a good tach signal. The parking lights will flash three times to
indicate the tach did not learn. Two seconds following the three flashes, the number of parking light
flashes will indicate the cause of the error;
Alternator Sensing – Option 2-04 Setting 3
Alternator sensing is an alternative method the Firstech remote start system can utilize to determine if
the engine is running. This is different than tachless sensing so the yellow/black wire connection must be
made. IMPORTANT: No programming other than option changing is required for alternator sensing.
STEP 1: Change Option 2-04 to setting 3 - Alternator Sensing.
STEP 2: Test wire and make connection. The stator wire is found at the vehicles' alternator. Change
your meter to DC before testing for this wire.
A. At rest, with the ignition off, the stator wire should test 0V DC.
B. Turn the ignition to the run position. The stator wire should now test between 1 – 6V DC.
C. Start the vehicle with the key. The stator wire should now test between 12 – 14V DC at idle.
STEP 3: Process complete – no further programming is required.
Assumed Timed Crank – Option 2-04 Setting 4
Assumed Time Crank is the last feature of Option 2-04 for remote starting. This is intended for vehicles
with built-in anti-grind feature or vehicles that do not have a 12V Positive starter wire at the ignition
harness. This option will send a 3 second crank signal to the vehicle. This option can be used on
vehicles with built in anti-grind systems.
Automatic Transmission Remote Start Function
Hold the
button for 2.5 seconds to remote start an automatic transmission vehicle. If you are in
range and if the vehicle is ready to remote start, the vehicle parking lights will flash once.
If you are in range, the parking lights on the vehicle will flash three times followed by a certain number
after that, there is a remote start error. Refer to the "remote start error diagnostic" table under the
Troubleshooting section of this manual for details.
Upon receiving confirmation that your vehicle is running, the parking lights will light solid. The remote
start run time can be set for 3, 15, 25, or 45 minutes. The option is 1-08 to adjust the remote start run
Number of Parking Light
Flashes
1
2
3
Tach Error
Option 2-04 is not on setting 2
Key is in the off position
Bad tach signal. Find a different wire.
7
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