Diagnostic Fault Information
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Low Beam Headlamp Supply Voltage | 1 | 1 | 3 | - |
| High Beam Headlamp Supply Voltage | 2 | 2 | 4 | - |
| Headlamp Ground | - | 1, 2 | - | - |
| Headlamp High Beam Relay Control | 4 | 2 | 1 | - |
| Headlamp Switch Headlamps OFF Signal | B257A 00 | 6 | 6* | - |
| Headlamp Switch Headlamps On Signal | B257A 00 | 1 | 1* | - |
| Headlamp Switch Ground | - | 3 | - | - |
| Flash to Pass Switch Signal | 4 | 5 | 5 | - |
| High Beam Signal | 4 | 2 | 2 | - |
| Turn Signal/Multifunction Switch Ground | - | 2, 5 | - | - |
| * Internal damage to the headlamp switch may occur if shorted to B+ 1. Low Beam Headlamps Inoperative 2. High Beam Headlamps Inoperative 3. Low Beam Headlamps always ON 4. High Beam Headlamps always ON 5. Flash to Pass Inoperative 6. Headlamp Defeat Inoperative |
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