Escape 4WD V6-3.0L (2008)
Trailer Lamps: Pinpoint Tests
Test X: The Trailer Lamps Are Inoperative - All
PINPOINT TEST X: THE TRAILER LAMPS ARE INOPERATIVE - ALL
Normal Operation
The trailer tow connector receives ground through circuit RAT08 (WH) for all of the trailer lamps.
This pinpoint test is intended to diagnose the following:
-
Wiring, terminals or connectors
-
Trailer
X1
Test Y: The Individual Trailer Lamp Is Inoperative - Trailer Stop/Turn Lamp
PINPOINT TEST Y: THE INDIVIDUAL TRAILER LAMP IS INOPERATIVE - TRAILER STOP/TURN LAMP
Normal Operation
The battery junction box (BJB) fuse 14 (15A) supplies voltage to the LH and RH trailer tow stop/turn relays. The trailer tow stop/turn relay coils are
grounded through circuit GD120 (BK/GN).
The trailer tow LH stop/turn relay coil receives voltage from circuit CLS18 (GY/BN) when the vehicle LH rear stoplamp is illuminated. When the
trailer tow LH stop/turn relay is energized, voltage is routed to the trailer tow connector through circuit CAT06 (YE).
The trailer tow RH stop/turn relay coil receives voltage through circuit CLS19 (VT/OG) when the vehicle RH rear stoplamp is illuminated. When the
trailer tow RH stop/turn relay is energized, voltage is routed to the trailer tow connector through circuit CAT09 (GN).
This pinpoint test is intended to diagnose the following:
-
Fuse
-
Wiring, terminals or connectors
-
Trailer tow stop/turn relay
-
Trailer