INSPECT VACUUM SWITCHING VALVE (for EGR Cut)
Inspect the vacuum switching valve.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
If the result is not as specified, replace the vacuum switching valve.
Check the operation of the vacuum switching valve.
| *1 | Port E |
| *2 | Filter |
Attach a vacuum pump to port E and check that air does not flow from the filter to port E.
| *1 | Port E |
| *2 | Filter |
Apply battery voltage across terminals 1 and 2.
Attach a vacuum pump to port E and check that air flows from the filter to port E.
If the result is not as specified, replace the vacuum switching valve.