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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 480 (Handles, Locks, Latches And Entry Systems) >> Diagnosis And Testing >> Handles, Locks, Latches and Entry Systems - With Intelligent Access (IA) >> Pinpoint Tests >> Pinpoint Test AK : The Keyless Entry Keypad Illumination Is Always On >> Notes

Pinpoint Test AK : The Keyless Entry Keypad Illumination Is Always On: Notes

WARNING: This page is about a different car, the 2016 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Remote Keyless Entry and Alarm , for schematic and connector information.

Normal Operation and Fault Conditions 

Refer to Handles, Locks, Latches and Entry Systems - With Intelligent Access (IA) .

RFA Module DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
B121A:15 Keypad Illumination Output: Circuit Short To Battery or Open Sets when the RFA module detects a short to voltage from the keyless entry keypad illumination output circuit.

Possible Causes 

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