Connection of a tachometer to contact of the IG socket of communication of the data located in the lower part of a motor compartment
Check of resistance between contacts of the electric socket of the control air +BI and SCC and +BI and SCO valve on the four-cylinder engine
Check of resistance between contacts of the electric socket of the control air +BI and RSC valve and + B and RSO on the engine 1MZ-FE V6
Check of resistance between contacts of the electric socket of the control air B1 and S1 and V1 and S3 valve, and also between contacts of B2 and S2 and contacts of B2 and S4
2. Using an additional wire, close contacts of TE1 and E1 of the electric socket.
3. At short circuit of contacts of TE1 and E1 the frequency of rotation of a cranked shaft of the engine has to increase to 1000–2000 rpm within 5 seconds. Then idling turns have to be established.
4. Remove the additional closing wire.
5. Disconnect the electric socket from the control air IAC valve.