Exhaust Gas Recirculation: Testing and Inspection

EGR SYSTEM INSPECTION

INSPECT SYSTEM OPERATION
(a) Remove the V-bank cover.





(b) Using SST, connect terminals TE1 and E1 of the DLC1. SST 09843-18020
(c) Keep the engine at 3,500 rpm.
(d) Set the transmission shift lever to the "N" position.
(e) Remove the SST from the DLC1. SST 09843-18020
(f) Check whether the engine rpm increases 100 - 300 rpm under these conditions:
Below 53°C (127°F) ... No increase
Above 55°C (131°F) ... Increases
(g) Reinstall the V-bank cover.