SECTION 6E - EXHAUST GAS
RECIRCULATION (EGR) SYSTEM
General Description
Inspection
Techline
General Description
RTW36ELF000401
This system controls the formation of NOx emission by recirculating the exhaust gas into the combustion chamber
through the intake manifold. The ECM controls the EGR system engine.
Refer to “Engine driveability and emissions” section for detail.
Inspection
EVRV
Use a circuit tester to measure the EVRV resistance.
EVRV Resistance Ω at 20°C
14
If the resistance is not within specification, replace it.
EGR Valve
Apply vacuum to the EGR valve, check to see the valve
operation.
Negative Pressure
Less then 250 mmHg Not operation
More than 300 mmHg Operation