EGR Switch (California)
Measure continuity across switch on EGR control valve. Apply 3.3-4.5 in. Hg to EGR control valve. Continuity should be present. If continuity is not present, replace EGR control valve.
EGR POSITION SENSOR VOLTAGE
| Terminal (ECU) | Volts | |
|---|---|---|
| "A" (2J) | ||
| Without Vacuum | About 0.7 | |
| With 5.9 In. Hg | About 4.7 | |
| "B" (3D) | Less Than 1.5 | |
| "C" (2I) | 4.5-5.5 | |