Automatic Lamp Control Inoperative
WARNING: This page is about a different car, the 2007 Saturn Ion Red Line, 2007 Saturn Ion 3, and 2007 Saturn Ion 2. However, it is still accessible from the selected car via links, so may be relevant.
Automatic Lamp Control Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics Connector End View Reference: Lighting Systems Connector End Views |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 |
|
Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 | Are both the headlamps and park lamps inoperative in the AUTO position? | Go to Step 4 | Go to Step 5 |
| 4 |
|
Go to Step 20 | Go to Step 19 |
| 5 | Are only the headlamps inoperative in the AUTO position? | Go to Step 6 | Go to Step 11 |
| 6 | Do the headlamps operate properly when the headlamp switch is placed in the HEAD position? | Go to Step 7 | Go to Headlamps Inoperative - Low Beams |
| 7 |
|
Go to Step 8 | Go to Step 16 |
| 8 | Probe the headlamp relay control circuit of the headlamp relay with a test lamp that is connected to a good ground. Does the test lamp illuminate? |
Go to Step 9 | Go to Step 17 |
| 9 | Connect a test lamp between the headlamp relay control circuit of the headlamp relay and the coil side ground circuit of the headlamp relay. Does the test lamp illuminate? |
Go to Step 10 | Go to Step 24 |
| 10 | Connect a test lamp between the headlamp relay control circuit of the headlamp relay and the switch side ground circuit of the headlamp relay. Does the test lamp illuminate? |
Go to Step 21 | Go to Step 24 |
| 11 | Do the park lamps operate properly when the headlamp switch is placed in the PARK position? | Go to Step 12 | Go to Park Lamps Inoperative |
| 12 |
|
Go to Step 13 | Go to Step 19 |
| 13 |
|
Go to Step 14 | Go to Step 19 |
| 14 | Connect a test lamp between the switch side battery positive voltage circuit of the ALC/PARK relay and the control circuit of the ALC/PARK relay. Does the test lamp illuminate? |
Go to Step 15 | Go to Step 19 |
| 15 | Connect a 15-amp fused jumper wire between the switch side battery positive voltage circuit of the ALC/PARK relay and the park lamp supply voltage circuit of the ALC/PARK relay. Do the park lamps illuminate? |
Go to Step 22 | Go to Step 18 |
| 16 | Test for an open or high resistance in the headlamp switch signal circuit. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 29 | Go to Step 23 |
| 17 | Test for the following in the headlamp low beam relay control circuit:
Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? |
Go to Step 29 | Go to Step 19 |
| 18 | Test for the following in the park lamp supply voltage circuit:
Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? |
Go to Step 29 | Go to Step 19 |
| 19 | Inspect for poor connections at the harness connector of the body control module (BCM). 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 |
| 20 | Inspect for poor connections at the harness connector of the ambient light sensor. 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 |
| 21 | Inspect for poor connections at the headlamp 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 27 |
| 22 | Inspect for poor connections at the ALC/PARK 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 27 |
| 23 | Inspect for poor connections at the harness connector of 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 28 |
| 24 | Repair an open or high resistance in the ground circuit of the headlamp relay. Refer to Circuit Testing
and Wiring Repairs
. Did you complete the repair? |
Go to Step 29 | - |
| 25 | Replace the BCM. Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 29 | - |
| 26 | Replace the ambient light sensor. Refer to Ambient Light Sensor Replacement . Did you complete the replacement? |
Go to Step 29 | - |
| 27 | Replace the appropriate relay. Did you complete the replacement? |
Go to Step 29 | - |
| 28 | Replace the headlamp switch. Refer to Turn Signal Multifunction Switch Replacement
. 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 |