E 450 V8-5.4L (2009)
Yes
REMOVE the jumper wire. The vehicle is operating correctly. REFER to the body builder information to continue diagnosis.
No
REMOVE the jumper wire. REPAIR circuit CLS30 (VT/WH) for an open. TEST the system for normal operation.
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N5 CHECK THE REAR PARKING LAMPS VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
-
Disconnect: SJB C2280d.
-
Connect a fused jumper wire between the positive battery terminal and the SJB C2280d-20, circuit CLS30 (VT/WH), harness side
-
Do the rear parking lamps illuminate?
Yes
REMOVE the jumper wire. GO to N9.
No
For wagon, REMOVE the jumper wire. REPAIR circuit CLS30 (VT/WH) for an open. TEST the system for normal operation.
For cutaway or stripped chassis vehicles, LEAVE the jumper wire connected. GO to N6.
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N6 ISOLATE THE OPEN IN THE FRONT PARKING LAMPS VOLTAGE SUPPLY CIRCUIT
-
Disconnect: Body Builder C432.
-
Measure the voltage between the body builder C432-6, circuit CLS30 (VT/WH), harness side and ground.
-
Is the voltage greater than 10 volts?
Yes
REMOVE the jumper wire. The vehicle is operating correctly. REFER to the body builder information to continue diagnosis.
No
REMOVE the jumper wire. REPAIR circuit CLS30 (VT/WH) for an open. TEST the system for normal operation.
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N7 CHECK FOR VOLTAGE TO THE INOPERATIVE LAMP
NOTE: Make sure the bulb is good before continuing diagnostics.
