EGR Switch (RX7 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 | |
EGR POSITION SENSOR RESISTANCE
| Terminals | Ohms | ||
|---|---|---|---|
| MX-3 DOHC | |||
| "A" & "B" | |||
| Zero in. Hg | 2300 | ||
| 6 in. Hg | 5800 | ||
| "A" & "C" | |||
| Zero in. Hg | 5300 | ||
| 6 in. Hg | 1200 | ||
| "B" & "C" | 5000 | ||
| MX-6 2.5L & 626 2.5L | |||
| "A" & "B" | 5000 | ||
| "A" & "C" | 700-5000 | ||
| "B" & "C" | 700-5000 | ||
| 929 | |||
| "A" & "B" | 700-5000 | ||
| "A" & "C" | 700-5000 | ||
| "B" & "C" | 5000 | ||