Milan FWD L4-2.5L (2010)
![background image](/mercury/milan_fwd/l4-2.5l/Page-2782003.png)
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the
self-test.
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Pinpoint Test K: One Or More Stoplamps Are Inoperative
Stoplamps
Pinpoint Tests
Pinpoint Test K: One Or More Stoplamps Are Inoperative - Milan/MKZ
Refer to Wiring Diagram Set 90 (Fusion/Milan/MKZ, Fusion Hybrid/Milan Hybrid), Turn Signal/Stop/Hazard Lamps for schematic and connector
information. See: Diagrams/Electrical Diagrams/Diagrams By Number
Normal Operation
When the brake pedal is applied, the stoplamp switch routes voltage to the high mounted stoplamp and both rear stoplamps. Each stoplamp has an
independent ground circuit.
This pinpoint test is intended to diagnose the following:
-
Wiring, terminals or connectors
-
High mounted stoplamp
-
Rear lamp assembly
PINPOINT TEST K: ONE OR MORE STOPLAMPS ARE INOPERATIVE - MILAN/MKZ
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the
connector.
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K1 DETERMINE THE INOPERATIVE STOPLAMP
-
Ignition OFF.
-
Apply the brake pedal and observe the stoplamps.
-
Are all the stoplamps inoperative?
Yes
GO to Pinpoint Test I. See: Pinpoint Test I: All The Stoplamps Are Inoperative
No
For the high mounted stoplamp, GO to K2.
For a LH or RH rear stoplamp, GO to K4.
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K2 CHECK FOR VOLTAGE TO THE HIGH MOUNTED STOPLAMP
-
Disconnect: High Mounted Stoplamp.
-
For a spoiler high mounted stoplamp with a rear view camera, while applying the brake pedal, measure the voltage between the high mounted
stoplamp C4199-3, circuit CCB08 (VT/WH), harness side and ground.