INSPECT NO. 1 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 No. 1 vacuum switching valve.
Check operation of the No. 1 vacuum switching valve.
| *1 | Port F |
| *2 | Port E |
| *3 | Air |
Check that air does not flow from port E to port F.
| *1 | Port F |
| *2 | Port E |
| *3 | Air |
Apply battery voltage across the terminals.
Check that air flows from port E to port F.
If the result is not as specified, replace the No. 1 vacuum switching valve.