MX-3 L4-1598cc 1.6L DOHC (1995)
EGR Valve Position Sensor: Testing and Inspection
OUTPUT VOLTAGE INSPECTION
View: Special Service Tools
1. Connect the special service tools (SST)s to the engine control module (ECM) as shown in image.
View: Testing The EGR Valve Position Sensor
2. Connect a vacuum pump to EGR valve.
View: Test Specifications
3. Turn ignition ON (engine OFF) and measure voltage as shown on image chart.
4. If not correct, check wiring harness from sensor to ECM.
RESISTANCE INSPECTION
View: EGR Valve Position Sensor Terminals
1. Unplug sensor connector.
2. Connect a suitable ohm meter to sensor terminals A & B.
3. Measure resistance between terminals A & B.
Resistance: Approximately 2.7k Ohms.
4. If not as specified, replace EGR valve assembly.