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EXHAUST GAS RECIRCULATION (EGR) SYSTEM 6E– 5
INSPECTION
Thermo Switch 1. Submerge end of switch in water.
Thermo sw. No.2 Thermo sw. No.1 OFF → ON Over 73°C Over 30°C
ON → OFF 76°C ~ 84°C 36°C ~ 44°C
If there is no continuity, replace the switch.
Vacuum switch valve (VSV) Use a circuit tester to measure the V.S.V. resistance. Ω at 20°C 35 ~ 45
If the resistance is not within specification, replace it.
EGR Valve Apply Vacuum to the EGR Valve, check to see the Valve Less then 120 mmHg Not operation
More than 180 mmHg Operation
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