1. CHECK SLIDING ROOF DRIVE GEAR SUB- ASSY (SLIDING ROOF ECU)

(a) Disconnect the sliding roof ECU connector, and check the voltage or continuity of each terminal of the wire harness side connector.

If the result is not as specified, there may be a malfunction on the wire harness.
Location
Data list/active testIntake air control valve ASSY NO.2 (3MZ-FE)
REPLACEMENT
1. REMOVE INTAKE AIR CONTROL VALVE ASSY NO.2
(a) Remove the 3 bolts and nut.
(b) Turn the lever to the closed position as shown in the illustration
and pull out the IAC valve.
(c) Remove the gasket from the intake air surge tank.
2. INSTALL INTAKE AIR CONTROL VALVE ASSY NO.2
( ...