EGR BYPASS VALVE SWITCHING VALVE INSPECTION
PROCEDURE
INSPECT NO. 1 VACUUM SWITCHING VALVE ASSEMBLY
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
1 - 2
20°C (68°F)
28.3 to 31.1 Ω
-

Air
Check No. 1 vacuum switching valve assembly operation.
Check that air does not flow from port A to port B.
-

Air
Apply battery voltage across terminals 1 and 2 as shown in the illustration.
Check that air flows from port A to port B.
If the result is not as specified, replace the No. 1 vacuum switching valve assembly.