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Makes 🢒 Cadillac 🢒 2001 🢒 Seville - RHD 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Headlamps Inoperative - Low Beams

Headlamps Inoperative - Low Beams Norway/Sweden

Step

Action

Yes

No

Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics

1

Did you perform the Lighting Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2
  1. Turn ON the ignition with the engine OFF.
  2. Place the headlamp switch in the HEADLAMP position.
  3. Place the headlamp dimmer switch in the LOW BEAM position.

Do the low beam headlamps illuminate?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Are both low beam headlamps inoperative?

Go to Step 9

Go to Step 4

4

Is the right low beam headlamp inoperative?

Go to Step 7

Go to Step 5

5
  1. Disconnect the left low beam headlamp.
  2. Connect a test lamp between the supply voltage circuit of the left low beam headlamp and a good ground.

Does the test lamp illuminate?

Go to Step 6

Go to Step 25

6

Connect a test lamp between the supply voltage circuit of the left low beam headlamp and the ground circuit of the left low beam headlamp.

Does the test lamp illuminate?

Go to Step 22

Go to Step 27

7
  1. Disconnect the right low beam headlamp.
  2. Connect a test lamp between the supply voltage circuit of the right low beam headlamp and a good ground.

Does the test lamp illuminate?

Go to Step 8

Go to Step 15

8

Connect a test lamp between the supply voltage circuit of the right low beam headlamp and the ground circuit of the right low beam headlamp.

Does the test lamp illuminate?

Go to Step 22

Go to Step 27

9
  1. Turn ON the ignition, with the engine OFF.
  2. With a scan tool, observe the Headlamp Switch parameter in the Dash Integration Module (DIM) Inputs Data List.

Does the scan tool indicate that the Headlamp Switch parameter is ON?

Go to Step 10

Go to Step 16

10

With a scan tool, command the HDLP LO BM relay ON and OFF.

Do hear a click when you command the HDLP LO BM relay ON and OFF?

Go to Step 13

Go to Step 11

11
  1. Turn OFF the ignition.
  2. Remove the HDLP LO BM relay.
  3. Turn ON the ignition with the engine OFF.

Connect a test lamp between the supply voltage circuit of the HDLP LO BM relay coil and a good ground.

Does the test lamp illuminate?

Go to Step 12

Go to Step 19

12
  1. Connect a test lamp between the supply voltage circuit and the control circuit of the HDLP LO BM relay coil.
  2. With a scan tool, command the HDLP LO BM relay ON and OFF.

Does the test lamp turn ON and OFF with each command?

Go to Step 21

Go to Step 18

13
  1. Turn OFF the ignition.
  2. Remove the HDLP LO BM relay.
  3. Connect a test lamp between the battery positive voltage circuit of the HDLP LO BM relay switch and a good ground.

Does the test lamp illuminate?

Go to Step 14

Go to Step 26

14

Connect a 20 amp fused jumper between the battery positive voltage circuit of the HDLP LO BM relay switch and the supply voltage circuit of the low beam headlamps.

Do the low beam headlamps illuminate?

Go to Step 21

Go to Step 27

15

Test for an open or short to ground in the supply voltage circuit of the right low beam headlamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 32

Go to Step 24

16

Test for an open or high resistance in the headlamps on signal circuit of the headlamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 32

Go to Step 17

17

Test for an open or high resistance in the ground circuit of the headlamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 32

Go to Step 20

18

Test for an open or high resistance in the control circuit of the HDLP LO BM relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 32

Go to Step 23

19

Test for an open or high resistance in the supply voltage circuit of the HDLP LO BM relay coil. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 32

Go to Step 23

20

Inspect for poor connections at the headlamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 32

Go to Step 28

21

Inspect for poor connections at the HDLP LO BM relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 32

Go to Step 29

22

Inspect for poor connections at the inoperative low beam headlamp. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 32

Go to Step 30

23

Inspect for poor connections at the Dash Integration Module (DIM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 32

Go to Step 31

24

Repair a short to ground in the DRL supply voltage circuit. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 32

--

25

Repair an open or short to ground in the supply voltage circuit of the left low beam headlamp. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 32

--

26

Repair an open or high resistance in the battery positive voltage circuit of the HDLP LO BM relay switch. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 32

--

27

Repair an open or high resistance in the ground circuit of the low beam headlamps. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 32

--

28

Replace the headlamp switch. Refer to Headlamp Switch Replacement .

Did you complete the replacement?

Go to Step 32

--

29

Replace the HDLP LO BM relay. Refer to Relay Replacement in Wiring Systems.

Did you complete the replacement?

Go to Step 32

--

30

Replace the inoperative low beam headlamp. Refer to Headlamp Bulb Replacement .

Did you complete the replacement?

Go to Step 32

--

31

Important:: Perform the setup procedure for the Dash Integration Module (DIM). Refer to Body Control Module (BCM) Programming/RPO Configuration .

Replace the DIM. Refer to Dash Integration Module Replacement in Body Control System.

Did you complete the replacement?

Go to Step 32

--

32

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2

Headlamps Inoperative - Low Beams Norway/Sweden w/HID

Step

Action

Yes

No

Caution: The high intensity discharge system produces high voltage and current. To reduce the risk of severe shocks and burns:

   • Never open the high intensity discharge system ballast or the arc tube assembly starter.
   • Never probe between the high intensity discharge system ballast output connector and the arc tube assembly.

Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics

1

Did you perform the Lighting Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2
  1. Turn ON the ignition with the engine OFF.
  2. Place the headlamp switch in the HEADLAMP position.
  3. Place the headlamp dimmer switch in the LOW BEAM position.

Do the low beam headlamps illuminate?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Are both low beam headlamps inoperative?

Go to Step 9

Go to Step 4

4

Is the right low beam headlamp inoperative?

Go to Step 7

Go to Step 5

5
  1. Disconnect the forward lamp harness connector of the left headlamp ballast.
  2. Connect a test lamp between the supply voltage circuit of the left headlamp ballast and a good ground.

Does the test lamp illuminate?

Go to Step 6

Go to Step 24

6

Connect a test lamp between the supply voltage circuit of the left headlamp ballast and the ground circuit of the left headlamp ballast.

Does the test lamp illuminate?

Go to Step 22

Go to Step 26

7
  1. Disconnect the forward lamp harness connector of the right headlamp ballast.
  2. Connect a test lamp between the supply voltage circuit of the right headlamp ballast and a good ground.

Does the test lamp illuminate?

Go to Step 8

Go to Step 18

8

Connect a test lamp between the supply voltage circuit of the right headlamp ballast and the ground circuit of the right headlamp ballast.

Does the test lamp illuminate?

Go to Step 22

Go to Step 26

9
  1. Turn ON the ignition, with the engine OFF.
  2. With a scan tool, observe the Headlamp Switch parameter in the Dash Integration Module (DIM) Inputs Data List.

Does the scan tool indicate that the Headlamp Switch parameter is ON?

Go to Step 10

Go to Step 15

10
  1. Turn ON the ignition, with the engine OFF.
  2. With the scan tool, command the HDLP LO BM relay ON and OFF.

Do hear a click when you command the HDLP LO BM relay ON and OFF?

Go to Step 13

Go to Step 11

11
  1. Turn OFF the ignition.
  2. Remove the HDLP LO BM relay.
  3. Turn ON the ignition with the engine OFF.

Connect a test lamp between the supply voltage circuit of the HDLP LO BM relay coil and a good ground.

Does the test lamp illuminate?

Go to Step 12

Go to Step 19

12
  1. Connect a test lamp between the supply voltage circuit and the control circuit of the HDLP LO BM relay coil.
  2. With a scan tool, command the HDLP LO BM relay ON and OFF.

Does the test lamp turn ON and OFF with each command?

Go to Step 21

Go to Step 17

13
  1. Turn OFF the ignition.
  2. Remove the HDLP LO BM relay.
  3. Connect a test lamp between the battery positive voltage circuit of the HDLP LO BM relay switch and a good ground.

Does the test lamp illuminate?

Go to Step 14

Go to Step 25

14

Connect a 20 amp fused jumper between the battery positive voltage circuit of the HDLP LO BM relay switch and the supply voltage circuit of the low beam headlamp ballasts.

Do the low beam headlamps illuminate?

Go to Step 21

Go to Step 26

15

Test for an open or high resistance in the headlamps on signal circuit of the headlamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 33

Go to Step 16

16

Test for an open or high resistance in the ground circuit of the headlamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 33

Go to Step 20

17

Test for an open or high resistance in the control circuit of the HDLP LO BM relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 33

Go to Step 23

18

Test for an open or short to ground in the supply voltage circuit of the right headlamp ballast. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 33

Go to Step 27

19

Test for an open or high resistance in the supply voltage circuit of the HDLP LO BM relay coil. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 33

Go to Step 23

20

Inspect for poor connections at the headlamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 33

Go to Step 28

21

Inspect for poor connections at the HDLP LO BM relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 33

Go to Step 29

22

Inspect for poor connections at the appropriate headlamp ballast. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 33

Go to Step 30

23

Inspect for poor connections at the Dash Integration Module (DIM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 33

Go to Step 32

24

Repair an open or short to ground in the supply voltage circuit of the left headlamp ballast. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 33

--

25

Repair an open or high resistance in the battery positive voltage circuit of the HDLP LO BM relay switch. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 33

--

26

Repair an open or high resistance in the ground circuit of the headlamp ballast. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 33

--

27

Repair a short to ground in the DRL supply voltage circuit. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 33

--

28

Replace the headlamp switch. Refer to Headlamp Switch Replacement .

Did you complete the replacement?

Go to Step 33

--

29

Replace the HDLP LO BM relay. Refer to Relay Replacement in Wiring Systems.

Did you complete the replacement?

Go to Step 33

--

30

Important!: Make sure that the headlamp ballast connector retaining clip is fully installed on the Philips system, otherwise the ballast will not operate. All Delphi and Philips components are NOT interchangeable.

Replace the appropriate headlamp ballast. Refer to High Intensity Discharge Headlamp Ballast Replacement .

Does the lamp operate properly?

Go to Step 33

Go to Step 31

31

Replace the appropriate arc tube assembly. Refer to High Intensity Discharge Headlamp Starter/Arc Tube Replacement .

Did you complete the replacement?

Go to Step 33

--

32

Important:: Perform the setup procedure for the Dash Integration Module (DIM). Refer to Body Control Module (BCM) Programming/RPO Configuration .

Replace the DIM. Refer to Dash Integration Module Replacement in Body Control System.

Did you complete the replacement?

Go to Step 33

--

33

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2

Headlamps Inoperative - Low Beams Domestic, Europe and Japan

Step

Action

Yes

No

Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics

1

Did you perform the Lighting Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2
  1. Turn ON the ignition with the engine OFF.
  2. Place the headlamp switch in the HEADLAMP position.
  3. Place the headlamp dimmer switch in the LOW BEAM position.

Do the low beam headlamps illuminate?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Are both low beam headlamps inoperative?

Go to Step 6

Go to Step 4

4
  1. Disconnect the inoperative low beam headlamp.
  2. Connect a test lamp between the supply voltage circuit of the inoperative low beam headlamp and a good ground.

Does the test lamp illuminate?

Go to Step 5

Go to Step 20

5

Connect a test lamp between the supply voltage circuit of the inoperative low beam headlamp and the ground circuit of the inoperative low beam headlamp.

Does the test lamp illuminate?

Go to Step 18

Go to Step 22

6
  1. Turn ON the ignition, with the engine OFF.
  2. With a scan tool, observe the Headlamp Switch parameter in the Dash Integration Module (DIM) Inputs Data List.

Does the scan tool indicate that the Headlamp Switch parameter is ON?

Go to Step 7

Go to Step 12

7

With a scan tool, command the HDLP LO BM relay ON and OFF.

Do hear a click when you command the HDLP LO BM relay ON and OFF?

Go to Step 10

Go to Step 8

8
  1. Turn OFF the ignition.
  2. Remove the HDLP LO BM relay.
  3. Turn ON the ignition with the engine OFF.

Connect a test lamp between the supply voltage circuit of the HDLP LO BM relay coil and a good ground.

Does the test lamp illuminate?

Go to Step 9

Go to Step 15

9
  1. Connect a test lamp between the supply voltage circuit and the control circuit of the HDLP LO BM relay coil.
  2. With a scan tool, command the HDLP LO BM relay ON and OFF.

Does the test lamp turn ON and OFF with each command?

Go to Step 17

Go to Step 14

10
  1. Turn OFF the ignition.
  2. Remove the HDLP LO BM relay.
  3. Connect a test lamp between the battery positive voltage circuit of the HDLP LO BM relay switch and a good ground.

Does the test lamp illuminate?

Go to Step 11

Go to Step 21

11

Connect a 20 amp fused jumper between the battery positive voltage circuit of the HDLP LO BM relay switch and the supply voltage circuit of the low beam headlamps.

Do the low beam headlamps illuminate?

Go to Step 17

Go to Step 22

12

Test for an open or high resistance in the headlamps on signal circuit of the headlamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 27

Go to Step 13

13

Test for an open or high resistance in the ground circuit of the headlamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 27

Go to Step 16

14

Test for an open or high resistance in the control circuit of the HDLP LO BM relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 27

Go to Step 19

15

Test for an open or high resistance in the supply voltage circuit of the HDLP LO BM relay coil. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 27

Go to Step 19

16

Inspect for poor connections at the headlamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 27

Go to Step 23

17

Inspect for poor connections at the HDLP LO BM relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 27

Go to Step 24

18

Inspect for poor connections at the inoperative low beam headlamp. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 27

Go to Step 25

19

Inspect for poor connections at the Dash Integration Module (DIM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 27

Go to Step 26

20

Repair an open or short to ground in the supply voltage circuit of the low beam headlamps. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 27

--

21

Repair an open or high resistance in the battery positive voltage circuit of the HDLP LO BM relay switch. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 27

--

22

Repair an open or high resistance in the ground circuit of the low beam headlamps. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 27

--

23

Replace the headlamp switch. Refer to Headlamp Switch Replacement , or Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column-Tilt (RHD).

Did you complete the replacement?

Go to Step 27

--

24

Replace the HDLP LO BM relay. Refer to Relay Replacement in Wiring Systems.

Did you complete the replacement?

Go to Step 27

--

25

Replace the inoperative low beam headlamp. Refer to Headlamp Bulb Replacement .

Did you complete the replacement?

Go to Step 27

--

26

Important:: Perform the setup procedure for the Dash Integration Module (DIM). Refer to Body Control Module (BCM) Programming/RPO Configuration .

Replace the DIM. Refer to Dash Integration Module Replacement in Body Control System.

Did you complete the replacement?

Go to Step 27

--

27

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2

Headlamps Inoperative - Low Beams Domestic, Europe and Japan w/HID

Step

Action

Yes

No

Caution: The high intensity discharge system produces high voltage and current. To reduce the risk of severe shocks and burns:

   • Never open the high intensity discharge system ballast or the arc tube assembly starter.
   • Never probe between the high intensity discharge system ballast output connector and the arc tube assembly.

Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics

1

Did you perform the Lighting Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2
  1. Turn ON the ignition with the engine OFF.
  2. Place the headlamp switch in the HEADLAMP position.
  3. Place the headlamp dimmer switch in the LOW BEAM position.

Do the low beam headlamps illuminate?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Are both low beam headlamps inoperative?

Go to Step 6

Go to Step 4

4
  1. Disconnect the forward lamp harness connector of the appropriate headlamp ballast.
  2. Connect a test lamp between the supply voltage circuit of the headlamp ballast and a good ground.

Does the test lamp illuminate?

Go to Step 5

Go to Step 22

5

Connect a test lamp between the supply voltage circuit of the headlamp ballast and the ground circuit of the headlamp ballast.

Does the test lamp illuminate?

Go to Step 18

Go to Step 21

6
  1. Turn ON the ignition, with the engine OFF.
  2. With a scan tool, observe the Headlamp Switch parameter in the Dash Integration Module (DIM) Inputs Data List.

Does the scan tool indicate that the Headlamp Switch parameter is ON?

Go to Step 7

Go to Step 12

7
  1. Turn ON the ignition, with the engine OFF.
  2. With the scan tool, command the HDLP LO BM relay ON and OFF.

Do hear a click when you command the HDLP LO BM relay ON and OFF?

Go to Step 10

Go to Step 8

8
  1. Turn OFF the ignition.
  2. Remove the HDLP LO BM relay.
  3. Turn ON the ignition with the engine OFF.

Connect a test lamp between the supply voltage circuit of the HDLP LO BM relay coil and a good ground.

Does the test lamp illuminate?

Go to Step 9

Go to Step 15

9
  1. Connect a test lamp between the supply voltage circuit and the control circuit of the HDLP LO BM relay coil.
  2. With a scan tool, command the HDLP LO BM relay ON and OFF.

Does the test lamp turn ON and OFF with each command?

Go to Step 17

Go to Step 14

10
  1. Turn OFF the ignition.
  2. Remove the HDLP LO BM relay.
  3. Connect a test lamp between the battery positive voltage circuit of the HDLP LO BM relay switch and a good ground.

Does the test lamp illuminate?

Go to Step 11

Go to Step 20

11

Connect a 20 amp fused jumper between the battery positive voltage circuit of the HDLP LO BM relay switch and the supply voltage circuit of the low beam headlamp ballasts.

Do the low beam headlamps illuminate?

Go to Step 17

Go to Step 23

12

Test for an open or high resistance in the headlamps on signal circuit of the headlamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 29

Go to Step 13

13

Test for an open or high resistance in the ground circuit of the headlamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 29

Go to Step 16

14

Test for an open or high resistance in the control circuit of the HDLP LO BM relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 29

Go to Step 19

15

Test for an open or high resistance in the supply voltage circuit of the HDLP LO BM relay coil. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 29

Go to Step 19

16

Inspect for poor connections at the headlamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 29

Go to Step 24

17

Inspect for poor connections at the HDLP LO BM relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 29

Go to Step 25

18

Inspect for poor connections at the appropriate headlamp ballast. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 29

Go to Step 26

19

Inspect for poor connections at the Dash Integration Module (DIM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .

Did you find and correct the condition?

Go to Step 29

Go to Step 28

20

Repair an open or high resistance in the battery positive voltage circuit of the HDLP LO BM relay switch. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 29

--

21

Repair an open or high resistance in the ground circuit of the headlamp ballast. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 29

--

22

Repair an open or short to ground in the supply voltage circuit of the appropriate headlamp ballast. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 29

--

23

Repair an open or high resistance in the supply voltage circuit of the low beam headlamp ballasts. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 29

--

24

Replace the headlamp switch. Refer to Headlamp Switch Replacement , or Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column-Tilt (RHD).

Did you complete the replacement?

Go to Step 29

--

25

Replace the HDLP LO BM relay. Refer to Relay Replacement in Wiring Systems.

Did you complete the replacement?

Go to Step 29

--

26

Important!: Make sure that the headlamp ballast connector retaining clip is fully installed on the Philips system, otherwise the ballast will not operate. All Delphi and Philips components are NOT interchangeable.

Replace the appropriate headlamp ballast. Refer to High Intensity Discharge Headlamp Ballast Replacement .

Does the lamp operate properly?

Go to Step 29

Go to Step 27

27

Replace the appropriate arc tube assembly. Refer to High Intensity Discharge Headlamp Starter/Arc Tube Replacement .

Did you complete the replacement?

Go to Step 29

--

28

Important:: Perform the setup procedure for the Dash Integration Module (DIM). Refer to Body Control Module (BCM) Programming/RPO Configuration .

Replace the DIM. Refer to Dash Integration Module Replacement in Body Control System.

Did you complete the replacement?

Go to Step 29

--

29

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2