Altima 2.5 SL L4-2.5L (QR25DE) (2002)
A.
Set the charger at a low charge rate (trickle charge).
IMPORTANT
Do not perform ECU reprogramming without connecting a battery charger to the vehicle's battery. Permanent ECU damage can occur.
Connecting a vehicle battery charger will maintain:
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Proper CONSULT-II power supply during reprogramming-very important if the CONSULT-II battery is low.
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Vehicle battery voltage level-especially on late model vehicles where the cooling fans come on during reprogramming.
14.
Connect CONSULT-II to the vehicle using the DLC-II cable with black Converter Box (see Figure 10).
VERY IMPORTANT:
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Make sure the DLC-II is straight and fully plugged in to the vehicle.
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Make sure all other DLC-II cable connections shown in Figure 10 are connected properly.
CAUTION
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Nissan requires the use of essential tools shown in Figure 10 when performing ECM reprogramming.
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J44200-10 "Pigtail" should not be removed from the CONSULT-II DDL Port. This "Pigtail" allows use of the stronger "quick disconnect" cable
set.
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If cables are very often changed at the DDL Port (base) of the CONSULT-II unit, cable connector pin damage may result.
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If there is connector pin damage, ECM reprogramming may fail. Permanent ECU damage can occur.
15.
Turn "ON" the ignition switch (do not start the engine).