Headlamps Inoperative - Low Beams Europe,Japan,ChevyDom,Gulf,Scandinav
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Headlights Schematics | |||
1 | Did you review the Exterior Lighting System Description and Operation and perform the necessary inspections? | 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 4 | Go to Step 5 |
4 | Place the headlamp dimmer switch in the HIGH BEAM position. Do the high beam headlamps illuminate? | Go to Step 7 | |
5 |
Does the test lamp illuminate? | Go to Step 6 | Go to Step 11 |
6 | Probe the ground circuit of the inoperative low beam headlamp connector with a test lamp that is connected to battery voltage. Does the test lamp illuminate? | Go to Step 8 | Go to Step 12 |
7 |
Does the low beam headlamp illuminate? | Go to Step 9 | Go to Step 10 |
8 | Inspect for poor connections at the harness connector of the inoperative 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 15 | Go to Step 13 |
9 | Inspect for poor connections at the harness connector of the headlamp dimmer 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 15 | Go to Step 14 |
10 | Repair an open or high resistance in the supply voltage circuit of the low beam lamps. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 15 | -- |
11 | Repair an open or high resistance in the supply voltage circuit of the inoperative low beam headlamp. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 15 | -- |
12 | Repair an open or high resistance in the ground circuit of the inoperative low beam headlamp. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 15 | -- |
13 | Replace the inoperative headlamp. Refer to Headlamp Bulb Replacement . Did you complete the replacement? | Go to Step 15 | -- |
14 | Replace the headlamp dimmer switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column. Did you complete the replacement? | Go to Step 15 | -- |
15 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
Headlamps Inoperative - Low Beams Pontiac
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Headlights Schematics | |||
1 | Did you review the Exterior Lighting System Description and Operation and perform the necessary inspections? | Go to Step 2 | |
2 |
Do the low beam headlamps operate properly? | 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 4 | Go to Step 5 |
4 | Place the headlamp dimmer switch in the HIGH BEAM position. Do the high beams illuminate? | Go to Step 8 | |
5 |
Does the test lamp illuminate? | Go to Step 6 | Go to Step 9 |
6 | Probe between the ground circuit and the supply voltage circuit of the inoperative low beam headlamp with a test lamp. Does the test lamp illuminate? | Go to Step 7 | Go to Step 10 |
7 | Inspect for poor connections at the harness connector of 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 12 | Go to Step 11 |
8 | Repair an open or high resistance in the supply voltage circuit of the low beam headlamps. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 12 | -- |
9 | Repair an open or high resistance in the supply voltage circuit of the inoperative low beam headlamp. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 12 | -- |
10 | Repair an open or high resistance in the ground circuit of the inoperative low beam headlamp. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 12 | -- |
11 | Replace the inoperative low beam headlamp. Refer to Headlamp Bulb Replacement . Did you complete the replacement? | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
