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 | |
2 |
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 |
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 |
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 |
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 |
Does the test lamp turn ON and OFF with each command? | Go to Step 17 | Go to Step 14 |
10 |
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 Turn Signal Multifunction Switch Replacement in Steering Wheel and Column (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 |
Step | Action | Yes | No | ||||
---|---|---|---|---|---|---|---|
Caution: The high intensity discharge system produces high voltage and current.
To reduce the risk of severe shocks and burns:
Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics | |||||||
1 | Did you perform the Lighting Systems Diagnostic System Check? | Go to Step 2 | |||||
2 |
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 |
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 |
Does the scan tool indicate that the Headlamp Switch parameter is ON? | Go to Step 7 | Go to Step 12 | ||||
7 |
Do hear a click when you command the HDLP LO BM relay ON and OFF? | Go to Step 10 | Go to Step 8 | ||||
8 |
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 |
Does the test lamp turn ON and OFF with each command? | Go to Step 17 | Go to Step 14 | ||||
10 |
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 Turn Signal Multifunction Switch Replacement in Steering Wheel and Column (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 |
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 | |
2 |
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 |
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 |
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 |
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 |
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 |
Does the test lamp turn ON and OFF with each command? | Go to Step 21 | Go to Step 18 |
13 |
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 in Wiring Systems. 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 in Wiring Systems. 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 in Wiring Systems. 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 in Wiring Systems. 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 |
Step | Action | Yes | No | ||||
---|---|---|---|---|---|---|---|
Caution: The high intensity discharge system produces high voltage and current.
To reduce the risk of severe shocks and burns:
Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics | |||||||
1 | Did you perform the Lighting Systems Diagnostic System Check? | Go to Step 2 | |||||
2 |
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 |
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 |
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 |
Does the scan tool indicate that the Headlamp Switch parameter is ON? | Go to Step 10 | Go to Step 15 | ||||
10 |
Do hear a click when you command the HDLP LO BM relay ON and OFF? | Go to Step 13 | Go to Step 11 | ||||
11 |
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 |
Does the test lamp turn ON and OFF with each command? | Go to Step 21 | Go to Step 17 | ||||
13 |
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 in Wiring Systems. 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 in Wiring Systems. 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 in Wiring Systems. 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 in Wiring Systems. 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 |