Contents Wiring diagrams Section: Interior/illumination Lights All sections

Interior Lighting System: Diagnosis Ford Escape III

DTC Charts

Diagnostics in this information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to DIAGNOSTIC METHODS for information about these practices.

DTCDescriptionAction
B1088:86LIN Bus "B": Signal InvalidGO to PINPOINT TEST H .
B1088:88LIN Bus "B": Bus OffGO to PINPOINT TEST H .
B1175:64Drivers Door Ajar Switch: Signal Plausibility FailureIf the interior courtesy lamps are inoperative, GO to PINPOINT TEST A . If the interior courtesy lamps are always on, GO to PINPOINT TEST D .
B11E9:13Left Rear Door Ajar Switch: Circuit OpenGO to PINPOINT TEST D .
B11EA:13Right Rear Door Ajar Switch: Circuit OpenGO to PINPOINT TEST D .
B1306:13Liftgate Ajar Switch: Circuit OpenGO to PINPOINT TEST D .
B1318:13Right Front Door Ajar Switch: Circuit OpenGO to PINPOINT TEST D .
B131B:13Left Front Door Ajar Switch: Circuit OpenGO to PINPOINT TEST D .
B1390:83Ambient Light Control Module: Value of Signal Protection Calculation IncorrectGO to PINPOINT TEST H .
B1390:87Ambient Light Control Module: Missing MessageGO to PINPOINT TEST H .
B1D13:11Interior Lights Circuit "A": Circuit Short To GroundIf the interior courtesy lamps are inoperative, GO to PINPOINT TEST B . If the interior courtesy lamps are always on, GO to PINPOINT TEST E .
B1D13:12Interior Lights Circuit "A": Circuit Short To BatteryGO to PINPOINT TEST B .

BCM DTC CHART

DTCDescriptionAction
B12C2:11Puddle Lamp: Circuit Short To GroundGO to PINPOINT TEST C .
B12C2:15Puddle Lamp: Circuit Short To Battery Or OpenGO to PINPOINT TEST C .

DDM DTC CHART

DTCDescriptionAction
B12C2:11Puddle Lamp: Circuit Short To GroundGO to PINPOINT TEST C .
B12C2:15Puddle Lamp: Circuit Short To Battery Or OpenGO to PINPOINT TEST C .

PDM DTC CHART

Symptom Chart

Diagnostics in this information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to DIAGNOSTIC METHODS for information about these practices.

ConditionPossible SourcesAction
A module does not respond to the scan toolFuse Wiring, terminals or connectors ModuleREFER to MODULE COMMUNICATIONS NETWORK .
The courtesy lamps do not illuminate with a door openRefer to the Diagnostic RoutineGO to PINPOINT TEST A .
The Courtesy Lamps Do Not Illuminate With The Liftgate OpenRefer to the Diagnostic RoutineGO to PINPOINT TEST J .
One or more interior courtesy lamp is inoperativeRefer to the Diagnostic RoutineGO to PINPOINT TEST B .
A puddle lamp is inoperative or always onRefer to the Diagnostic RoutineGO to PINPOINT TEST C .
All the courtesy lamps stay on continuouslyRefer to the Diagnostic RoutineGO to PINPOINT TEST D .
The interior courtesy lamps stay on continuouslyRefer to the Diagnostic RoutineGO to PINPOINT TEST E .
One or more demand lamps are inoperativeRefer to the Diagnostic RoutineGO to PINPOINT TEST F .
The battery saver does not deactivate after time-outRefer to the Diagnostic RoutineGO to PINPOINT TEST G .
The ambient lighting is inoperativeRefer to the Diagnostic RoutineGO to PINPOINT TEST H .
An individual ambient light is inoperative or does not change colorRefer to the Diagnostic RoutineGO to PINPOINT TEST I .

SYMPTOM CHART

PINPOINT TEST G: THE BATTERY SAVER DOES NOT DEACTIVATE AFTER TIME-OUT

  1. G1 CHECK THE DEMAND LAMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE Ignition OFF. Disconnect: BCM C2280F. Ignition ON. Turn any demand (map or vanity mirror) lamp on. Does the demand lamp turn on? Yes : REPAIR circuit CBP60 (YE/VT). No : GO to G2.
  2. G2 CHECK FOR CORRECT BCM OPERATION Disconnect and inspect all the BCM connectors. Repair: corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary Reconnect the BCM connectors. Make sure they seat and latch correctly. Operate the system and determine if the concern is still present. Is the concern still present? Yes : CHECK On-Line Automotive Service Information System (OASIS) for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new BCM. REFER to «MULTIFUNCTION ELECTRONIC MODULES»(ref-569586) . No : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.