Toyota Sienna Service Manual: Air inlet control servo motor

For manual air conditioning system

ON-VEHICLE INSPECTION 1. INSPECT BLOWER RESISTOR (for Manual Air Conditioning System) (a) Measure resistance between terminals, as shown in the table. If resistance is not as specified, replac ...

For automatic air conditioning system

ON-VEHICLE INSPECTION 1. INSPECT AIR INLET CONTROL SERVO MOTOR (a) Remove the air inlet control servo motor. (b) Connect the positive (+) lead from the battery to terminal 4 and negative (-) ...

Other materials:

Suspension system
How to proceed with troubleshooting HINT: This is the repair procedure for vehicle pull. Problem symptoms table FRONT SUSPENSION SYSTEM REAR SUSPENSION SYSTEM ...

Catalyst System Efficiency Below Threshold
MONITOR DESCRIPTION The ECM uses the sensors mounted in front of and behind the three-way catalyst (TWC) to monitor its efficiency. The first sensor, an Air Fuel ratio (A/F) sensor, sends pre-catalyst A/F ratio information to the ECM. The second sensor, a heated oxygen sensor (O2S), sends ...

Manual Up / Down and Auto Down Function does not Operate on Driver Side
DESCRIPTION If the manual UP/DOWN function does not operate, no power may be supplied to the power window master switch or the power window motor. The power window master switch itself or the wire harness may be malfunctioning. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT FUSE (P/W) ...