Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Air Injection Control Valve: Testing and Inspection





3UR-FE EMISSION CONTROL: AIR SWITCHING VALVE: INSPECTION

1. INSPECT ELECTRIC AIR CONTROL VALVE ASSEMBLY

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





HINT
*: Make sure that the air switching valve is at ambient temperature before measuring the resistance.

NOTICE:
When applying voltage, do not touch terminals 2, 3 and 4.

If the result is not as specified, replace the electric air control valve assembly.





(b) Check the operation of the electric air control valve assembly.





(1) Check that air does not flow from port A to port B.

NOTICE:
Make sure that the applied pressure is 30 kPa (0.3 kgf/cm2, 4.4 psi) or less

If the result is not as specified, replace the electric air control valve assembly.

(2) Apply battery voltage to the connector, and check the air switching valve operation.





NOTICE:
When applying voltage, do not touch terminals 2, 3 and 4.

OK:





If the result is not as specified, replace the electric air control valve assembly.