Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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EGR Valve Position Sensor: Testing and Inspection

OUTPUT VOLTAGE INSPECTION

EGR Function Sensor Testing:






1. Unplug PCME connector. Hook up SST as shown, and a vacuum pump.
2. Turn ignition ON (engine OFF).
3. Measure voltage at terminals as shown on image table.
4. If not correct at 2J terminal, check wiring harness and 2I terminals of PCME.

RESISTANCE

EGR Function Sensor Testing:






1. Unplug function sensor connector and connect an ohmmeter.
2. Hook up vacuum pump to sensor.
3. With vacuum applied, measure resistance as shown on image table.