Code 4-3-1 (EGR Temperature Sensor)
Connect ohmmeter between terminal No. 22 (Violet wire) and ground. Reading should be 500-550 ohms at 68°F (20°C). Resistance should be approximately 1000 ohms for hot engine.
Connect ohmmeter between terminal No. 22 (Violet wire) and ground. Reading should be 500-550 ohms at 68°F (20°C). Resistance should be approximately 1000 ohms for hot engine.