Edge AWD V6-3.5L (2009)
Trailer Lamps: Pinpoint Tests
Pinpoint Test Y: All The Trailer Lamps Are Inoperative
Trailer Lamps
Pinpoint Tests
Pinpoint Test Y: All The Trailer Lamps Are Inoperative
Refer to Wiring Diagram Set 95, Trailer/Camper Adapter for schematic and connector information. See: Diagrams/Electrical Diagrams/Diagrams By
Number
Normal Operation
All the trailer tow relay coils share a common ground through circuit GD120 (BK/GN). The trailer tow connector receives ground through circuit
RAT08 (WH)/GD149 (BK/GY) for all of the trailer lamps.
This pinpoint test is intended to diagnose the following:
-
Wiring, terminals or connectors
-
Trailer
PINPOINT TEST Y: ALL THE TRAILER LAMPS ARE INOPERATIVE
NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the
connector.
NOTE: The battery ground cable must be disconnected for accurate test results when checking ground circuits for continuity to ground.
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Y1 CHECK FOR VOLTAGE TO THE PARKING LAMP RELAY USING THE GROUND PIN
-
Measure the voltage between the trailer tow parking lamp relay pin 5, BJB face side and the trailer tow parking lamp relay pin 2, circuit GD120
(BK/GN), BJB face side.
-
Is the voltage greater than 10 volts?
Yes
GO to Y2.
No
REPAIR the circuit. TEST the system for normal operation.
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