Refer to Wiring Diagrams Cell 92 for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Exterior Lighting - Overview (417-01 Exterior Lighting, Description and Operation).
REFER to: Exterior Lighting - System Operation and Component Description (417-01 Exterior Lighting, Description and Operation).
DTC Fault Trigger Conditions
| DTC |
Description |
Fault Trigger Condition |
| BCM B10F3:11 |
Left front position light: Circuit Short To Ground |
A continuous memory and on-demand DTC that sets when the BCM detects a
short to ground from the LH front parking lamps output circuit.
|
| BCM B10F3:15 |
Left front position light: Circuit Short To Battery Or Open |
A continuous memory and on-demand DTC that sets when the BCM detects an
open or short to voltage from the LH front parking lamps output
circuit.
|
| BCM B10F4:11 |
Right front position light: Circuit Short To Ground |
A continuous memory and on-demand DTC that sets when the BCM detects a
short to ground from the RH front parking lamps output circuit.
|
| BCM B10F4:15 |
Right front position light: Circuit Short To Battery Or Open |
A continuous memory and on-demand DTC that sets when the BCM detects an
open or short to voltage from the RH front parking lamps output
circuit.
|
| BCM B1445:11 |
Rear Park Lamps Output: Circuit Short To Ground |
A continuous memory and on-demand DTC that sets when the BCM detects a
short to ground from the license plate lamps output circuit.
|
| BCM B1445:15 |
Rear Park Lamps Output: Circuit Short To Battery Or Open |
A continuous memory and on-demand DTC that sets when the BCM detects an
open or short to voltage from the license plate lamps output circuit.
|
| BCM B149E:11 |
Left Front Position/Sidemarker: Circuit Short To Ground |
A continuous memory and on-demand DTC that sets when the BCM detects a
short to ground from the LH front parking lamps output circuit.
|
| BCM B149E:15 |
Left Front Position/Sidemarker: Circuit Short To Battery Or Open |
A continuous memory and on-demand DTC that sets when the BCM detects an
open or short to voltage from the LH front parking lamps output
circuit.
|
| BCM B149F:11 |
Right Front Position/Sidemarker: Circuit Short To Ground |
A continuous memory and on-demand DTC that sets when the BCM detects a
short to ground from the RH front parking lamps output circuit.
|
| BCM B149F:15 |
Right Front Position/Sidemarker: Circuit Short To Battery Or Open |
A continuous memory and on-demand DTC that sets when the BCM detects an
open or short to voltage from the RH front parking lamps output
circuit.
|
| BCM B14A2:11 |
Tailgate/Liftgate Applique Lamps: Circuit Short To Ground |
A continuous memory and on-demand DTC that sets when the BCM detects a
short to ground from the license plate lamps output circuit.
|
| BCM B14A2:15 |
Tailgate/Liftgate Applique Lamps: Circuit Short To Battery Or Open |
A continuous memory and on-demand DTC that sets when the BCM detects an
open or short to voltage from the license plate lamps output circuit.
|
| BCM B14B2:11 |
Left Position Lamps: Circuit Short To Ground |
A continuous memory and on-demand DTC that sets when the BCM detects a
short to ground from the LH front parking lamps output circuit.
|
| BCM B14B2:15 |
Left Position Lamps: Circuit Short To Battery Or Open |
A continuous memory and on-demand DTC that sets when the BCM detects an
open or short to voltage from the LH front parking lamps output
circuit.
|
| BCM B14B3:11 |
Right Position Lamps: Circuit Short To Ground |
A continuous memory and on-demand DTC that sets when the BCM detects a
short to ground from the RH front parking lamps output circuit.
|
| BCM B14B3:15 |
Right Position Lamps: Circuit Short To Battery Or Open |
A continuous memory and on-demand DTC that sets when the BCM detects an
open or short to voltage from the RH front parking lamps output
circuit.
|
| BCM B1538:11 |
Left Rear Position Lamp Output: Circuit Short To Ground |
A continuous memory and on-demand DTC that sets when the BCM detects an
open or short to voltage from the LH rear parking lamps output circuit.
|
| BCM B1538:15 |
Left Rear Position Lamp Output: Circuit Short To Battery Or Open |
A continuous memory and on-demand DTC that sets when the BCM detects an
open or short to voltage from the LH rear parking lamps output circuit.
|
| BCM B1539:11 |
Right Rear Position Lamp Output: Circuit Short To Ground |
A continuous memory and on-demand DTC that sets when the BCM detects an
open or short to voltage from the RH rear parking lamps output circuit.
|
| BCM B1539:15 |
Right Rear Position Lamp Output: Circuit Short To Battery Or Open |
A continuous memory and on-demand DTC that sets when the BCM detects an
open or short to voltage from the RH rear parking lamps output circuit.
|
Possible Sources
- Wiring, terminals or connectors
- Bulb
- Reversing lamp assembly
- Headlamp assembly
- License plate lamp
- Rear lamp assembly
-
LED control module
-
BCM
|
| C1 OBSERVE PARKING LAMPS OPERATION |
-
Place the headlamp switch in the PARKING LAMPS position and observe all the parking lamps.
-
Place the headlamp switch in the OFF position and observe all the parking lamps.
Are any of the parking lamps always on?
| Yes |
If one or more parking lamps are always on, GO to C2
If all the parking lamps are always on, GO to C20
|
| No |
If an individual LED
DRL /front parking lamp is inoperative or does not dim when the DRL are on, GO to C5
If an individual rear side marker lamp is inoperative, GO to C5
If an individual front side marker lamp, rear
parking lamp, reversing lamp assembly parking lamp or both license plate
lamps only are inoperative, GO to C3
If an individual license plate lamp is inoperative, INSTALL a new license plate lamp.
REFER to: License Plate Lamp (417-01 Exterior Lighting, Removal and Installation).
If both the front side marker lamps and both license plate lamps are inoperative, GO to C10
If both the LH rear lamp parking and LH reversing lamp assembly parking
lamps or both the RH rear lamp parking and RH reversing lamp assembly
parking lamps are inoperative, GO to C15
If all parking lamps are inoperative, GO to C20
|
|
| C2 CHECK THE BCM (BODY CONTROL MODULE)
PARKING LAMP OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE |
-
Disconnect
BCM
C2280E (For rear side marker and LED
DRL /front parking lamps).
-
Disconnect
BCM
C2280F (For front side marker, rear parking, reverse lamps assembly parking and license plate lamps).
Do the parking lamps continue to illuminate?
| Yes |
REPAIR the affected circuit.
|
|
| C3 CHECK THE INOPERATIVE PARKING LAMP VOLTAGE SUPPLY CIRCUIT FOR AN OPEN |
-
Place the headlamp switch in the OFF position.
-
Disconnect For a front side marker lamp, inoperative LH Headlamp C1284 or RH Headlamp C1285
.
-
Disconnect For a rear parking lamp, inoperative LH Rear Lamp C423 or RH Rear Lamp C422
.
-
Disconnect For a reversing lamp assembly parking lamp, inoperative LH Reversing Lamp C451 or RH Reversing Lamp C461
.
-
Disconnect For the license plate lamps, License Plate Lamp C4046
.
-
Place the headlamp switch in the PARKING LAMPS position.
-
For a rear parking lamp, measure:
Click to display connectors
LH Rear Parking Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C423-3
|
.jpg)
|
Ground
|
Click to display connectors
RH Rear Parking Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C422-3
|
|
Ground
|
-
For license plate lamps, measure:
Click to display connectors
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C4046-1
|
|
Ground
|
Is the voltage greater than 11 volts?
| Yes |
For a front side marker lamp, GO to C19
For a rear parking lamp, reversing lamp assembly parking lamp or license plate lamps, GO to C4
|
|
| C4 CHECK THE INOPERATIVE PARKING LAMP GROUND CIRCUIT |
-
For a rear parking lamp, measure:
Click to display connectors
LH Rear Parking Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C423-3
|
|
C423-4
|
Click to display connectors
RH Rear Parking Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C422-3
|
|
C422-4
|
-
For license plate lamps, measure:
Click to display connectors
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C4046-1
|
|
C4046-3
|
Is the voltage greater than 11 volts?
| Yes |
For a rear parking lamp, INSTALL a new rear lamp assembly,
REFER to: Rear Lamp Assembly (417-01 Exterior Lighting, Removal and Installation).
For a reversing lamp assembly parking lamp, INSTALL a new reversing lamp,
REFER to: Reversing Lamp (417-01 Exterior Lighting, Removal and Installation).
For license plate lamps, INSTALL a new license plate lamp,
REFER to: License Plate Lamp (417-01 Exterior Lighting, Removal and Installation).
|
|
| C5 CHECK FOR VOLTAGE TO THE LED (LIGHT EMITTING DIODE)
DRL (DAYTIME RUNNING LAMPS)
/FRONT PARKING LAMP OR REAR SIDE MARKER LAMP |
-
Place the headlamp switch in the OFF position.
-
Disconnect For a LED
DRL /front parking lamp, inoperative LH Headlamp C1284 or RH Headlamp C1285
.
-
Disconnect For a rear side marker lamp, inoperative LH Rear Lamp C423 or RH Rear Lamp C422
.
-
Place the headlamp switch in the PARKING LAMPS position.
-
For a rear side marker lamp, measure:
Click to display connectors
LH Rear Side Marker Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C423-6
|
|
Ground
|
Click to display connectors
RH Rear Side Marker Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C422-6
|
|
Ground
|
Is the voltage greater than 11 volts?
|
| C6 REPEAT THE ON-DEMAND SELF-TEST AND CHECK FOR VOLTAGE TO THE LED (LIGHT EMITTING DIODE)
DRL (DAYTIME RUNNING LAMPS)
/FRONT PARKING LAMP OR REAR SIDE MARKER LAMP |
-
Place the headlamp switch in the OFF position.
-
Using a diagnostic scan tool, perform the BCM self-test.
-
Clear the Diagnostic Trouble Codes (DTCs) and repeat
the self-test (required to enable the lamp output driver).
-
Place the headlamp switch in the PARKING LAMPS position.
-
For a rear side marker lamp, measure:
Click to display connectors
LH Rear Side Marker Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C423-6
|
|
Ground
|
Click to display connectors
RH Rear Side Marker Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C422-6
|
|
Ground
|
Is the voltage greater than 11 volts?
| Yes |
For a LED
DRL /front parking lamp, GO to C19
For a rear side marker lamp, INSTALL a new rear side marker lamp bulb.
REFER to: Rear Lamp Bulb (417-01 Exterior Lighting, Removal and Installation).
|
|
| C7 CHECK THE LED (LIGHT EMITTING DIODE)
DRL (DAYTIME RUNNING LAMPS)
/FRONT PARKING LAMP OR REAR SIDE MARKER LAMP GROUND CIRCUIT FOR AN OPEN |
-
For a rear side marker lamp, measure:
Click to display connectors
LH Rear Side Marker Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C423-6
|
|
C423-4
|
Click to display connectors
RH Rear Side Marker Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C422-6
|
|
C422-4
|
Does the voltage greater than 11 volts?
| Yes |
For a LED
DRL /front parking lamp, GO to C19
For a rear side marker lamp, INSTALL a new rear side marker lamp bulb.
REFER to: Rear Lamp Bulb (417-01 Exterior Lighting, Removal and Installation).
|
| No |
REPAIR the circuit in question.
|
|
| C8 CHECK THE LED (LIGHT EMITTING DIODE)
DRL (DAYTIME RUNNING LAMPS)
/FRONT PARKING LAMP OR REAR SIDE MARKER LAMP SUPPLY CIRCUIT FOR AN OPEN |
-
Place the headlamp switch in the OFF position.
-
For a rear side marker lamp, measure:
Click to display connectors
LH Rear Side Marker Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C423-6
|
|
C2280E-14
|
Click to display connectors
RH Rear Side Marker Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C422-6
|
|
C2280E-28
|
Is the resistance less than 3 ohms?
|
| C9 CHECK THE LED (LIGHT EMITTING DIODE)
DRL (DAYTIME RUNNING LAMPS)
/FRONT PARKING LAMP OR REAR SIDE MARKER LAMP SUPPLY CIRCUIT FOR A SHORT TO GROUND |
-
For a rear side marker lamp, measure:
Click to display connectors
LH Rear Side Marker Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C423-6
|
|
Ground
|
Click to display connectors
RH Rear Side Marker Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C422-6
|
|
Ground
|
Is the resistance greater than 10,000 ohms?
| No |
REPAIR the circuit. After the repair:
If no Diagnostic Trouble Codes (DTCs) are present, TEST the system for normal operation.
If DTC
U1000:00 is present, CLEAR the Diagnostic Trouble Codes (DTCs) and
REPEAT the self-test (required to enable the lamp output driver if DTC U1000:00 is present).
If DTC U3000:49 is present, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
|
|
| C10 REPEAT THE ON-DEMAND SELF-TEST AND CHECK FOR VOLTAGE TO THE FRONT SIDE MARKER AND LICENSE PLATE LAMPS WITH LH (LEFT-HAND)
HEADLAMP DISCONNECTED |
-
Place the headlamp switch in the OFF position.
-
Disconnect
LH Headlamp C1284
.
-
Using a diagnostic scan tool, perform the BCM self-test.
-
Clear the Diagnostic Trouble Codes (DTCs) and repeat
the self-test (required to enable the lamp output driver).
-
Place the headlamp switch in the PARKING LAMPS position.
-
Measure:
Click to display connectors
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C1284-1
|
|
Ground
|
Is the voltage greater than 11 volts?
| Yes |
DIAGNOSE for the LH
LED control module, GO to C19
|
|
| C11 REPEAT THE ON-DEMAND SELF-TEST AND CHECK FOR VOLTAGE TO THE FRONT SIDE MARKER AND LICENSE PLATE LAMPS WITH RH (RIGHT-HAND)
HEADLAMP DISCONNECTED |
-
Place the headlamp switch in the OFF position.
-
Disconnect
RH Headlamp C1285
.
-
Using a diagnostic scan tool, perform the BCM self-test.
-
Clear the Diagnostic Trouble Codes (DTCs) and repeat
the self-test (required to enable the lamp output driver).
-
Place the headlamp switch in the PARKING LAMPS position.
-
Measure:
Click to display connectors
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C1284-1
|
|
Ground
|
Is the voltage greater than 11 volts?
| Yes |
DIAGNOSE for the LH
LED control module, GO to C19
|
|
| C12
REPEAT THE ON-DEMAND SELF-TEST AND CHECK FOR VOLTAGE TO THE FRONT SIDE
MARKER AND LICENSE PLATE LAMPS WITH LICENSE PLATE LAMP DISCONNECTED |
-
Place the headlamp switch in the OFF position.
-
Disconnect License Plate Lamp C4046
.
-
Using a diagnostic scan tool, perform the BCM self-test.
-
Clear the Diagnostic Trouble Codes (DTCs) and repeat
the self-test (required to enable the lamp output driver).
-
Place the headlamp switch in the PARKING LAMPS position.
-
Measure:
Click to display connectors
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C1284-1
|
|
Ground
|
Is the voltage greater than 11 volts?
| Yes |
INSTALL a new license plate lamp.
REFER to: License Plate Lamp (417-01 Exterior Lighting, Removal and Installation).
|
|
| C13 CHECK THE FRONT SIDE MARKER AND LICENSE PLATE LAMPS SUPPLY CIRCUIT FOR AN OPEN |
-
Place the headlamp switch in the OFF position.
-
Measure:
Click to display connectors
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C1284-1
|
|
C2280F-52
|
Is the resistance less than 3 ohms?
| No |
REPAIR the circuit in question.
|
|
| C14 CHECK VOLTAGE CIRCUIT TO THE FRONT SIDE MARKER AND LICENSE PLATE LAMPS FOR A SHORT TO GROUND |
-
Measure:
Click to display connectors
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C1284-1
|
|
Ground
|
Is the resistance greater than 10,000 ohms?
| No |
REPAIR the circuit. After the repair:
If no Diagnostic Trouble Codes (DTCs) are present, TEST the system for normal operation.
If DTC
U1000:00 is present, CLEAR the Diagnostic Trouble Codes (DTCs) and
REPEAT the self-test (required to enable the lamp output driver if DTC U1000:00 is present).
If DTC U3000:49 is present, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
|
|
| C15
REPEAT THE ON-DEMAND SELF-TEST AND CHECK FOR VOLTAGE TO THE REAR LAMP
AND REVERSING LAMP ASSEMBLY PARKING LAMPS WITH THE REAR LAMP
DISCONNECTED |
-
Place the headlamp switch in the OFF position.
-
Disconnect Inoperative LH Rear Lamp C423 or RH Rear Lamp C422
.
-
Using a diagnostic scan tool, perform the BCM self-test.
-
Clear the Diagnostic Trouble Codes (DTCs) and repeat
the self-test (required to enable the lamp output driver).
-
Place the headlamp switch in the PARKING LAMPS position.
-
Measure:
Click to display connectors
LH Rear Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C423-3
|
|
Ground
|
Click to display connectors
RH Rear Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C422-3
|
|
Ground
|
Is the voltage greater than 11 volts?
| Yes |
INSTALL a new rear lamp assembly,
REFER to: Rear Lamp Assembly (417-01 Exterior Lighting, Removal and Installation).
|
|
| C16
REPEAT THE ON-DEMAND SELF-TEST AND CHECK FOR VOLTAGE TO THE REAR LAMP
AND REVERSING LAMP ASSEMBLY PARKING LAMPS WITH REVERSING LAMP ASSEMBLY
DISCONNECTED |
-
Place the headlamp switch in the OFF position.
-
Disconnect Inoperative LH Reversing Lamp C451 or RH Reversing Lamp C461
.
-
Using a diagnostic scan tool, perform the BCM self-test.
-
Clear the Diagnostic Trouble Codes (DTCs) and repeat
the self-test (required to enable the lamp output driver).
-
Place the headlamp switch in the PARKING LAMPS position.
-
Measure:
Click to display connectors
LH Rear Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C423-3
|
|
Ground
|
Click to display connectors
RH Rear Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C422-3
|
|
Ground
|
Is the voltage greater than 11 volts?
| Yes |
INSTALL a new reversing lamp.
REFER to: Reversing Lamp (417-01 Exterior Lighting, Removal and Installation).
|
|
| C17 CHECK THE REAR LAMP AND REVERSING LAMP ASSEMBLY PARKING LAMPS SUPPLY CIRCUIT FOR AN OPEN |
-
Place the headlamp switch in the OFF position.
-
Measure:
Click to display connectors
LH Rear Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C423-3
|
|
C2280F-53
|
Click to display connectors
RH Rear Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C422-3
|
|
C2280F-48
|
Is the resistance less than 3 ohms?
| No |
REPAIR the circuit in question.
|
|
| C18 CHECK VOLTAGE CIRCUIT TO THE REAR LAMP AND REVERSING LAMP ASSEMBLY PARKING LAMPS FOR A SHORT TO GROUND |
-
Measure:
Click to display connectors
LH Rear Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C423-3
|
|
Ground
|
Click to display connectors
RH Rear Lamp
|
Positive Lead
|
Measurement / Action
|
Negative Lead
|
|
C422-3
|
|
Ground
|
Is the resistance greater than 10,000 ohms?
| No |
REPAIR the circuit. After the repair:
If no Diagnostic Trouble Codes (DTCs) are present, TEST the system for normal operation.
If DTC
U1000:00 is present, CLEAR the Diagnostic Trouble Codes (DTCs) and
REPEAT the self-test (required to enable the lamp output driver if DTC U1000:00 is present).
If DTC U3000:49 is present, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
|
|
| C19 CHECK THE LED (LIGHT EMITTING DIODE)
CONTROL MODULE |
-
Place the headlamp switch in the OFF position.
-
Disconnect Inoperative LH Headlamp C1284 or RH Headlamp C1285
.
-
CLEAR the Diagnostic Trouble Codes (DTCs), REPEAT
the self-test (required to enable the lamp output driver) and cycle the
ignition OFF and ON. REPEAT the self-test.
-
Activate the hazard flasher lamp function.
-
Operate the system and determine if the concern is still present.
Is the concern still present or does any Diagnostic Trouble Codes (DTCs) return?
| Yes |
REMOVE the known good LED control module. INSTALL a new headlamp assembly.
REFER to: Headlamp Assembly (417-01 Exterior Lighting, Removal and Installation).
|
| No |
REMOVE the known good LED control module. INSTALL a new LED control module.
|
|
| C20 CHECK FOR CORRECT BCM (BODY CONTROL MODULE)
OPERATION |
-
Disconnect and inspect all 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 OASIS for any applicable service articles: TSB , GSB , SSM or FSA
. If a service article exists for this concern, DISCONTINUE this test
and FOLLOW the service article instructions. If no service articles
address this concern, INSTALL a new BCM .
REFER to: Body Control Module (BCM) (419-10 Multifunction Electronic Modules, Removal and Installation).
|
| 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.
|
|
.jpg){kind=icon}
PINPOINT TEST A: ONE OR MORE PARKING, REAR OR LICENSE PLATE LAMPS ARE INOPERATIVE OR ALWAYS ON — LOW SERIES HALOGEN HEADLAMPS.jpg){kind=icon}
PINPOINT TEST A: ONE OR MORE PARKING, REAR OR LICENSE PLATE LAMPS ARE INOPERATIVE OR ALWAYS ON — LOW SERIES HALOGEN HEADLAMPS
Diagnosis and Testing - Headlamps
Diagnosis and Testing - Reversing Lamps
