Toyota Sienna Service Manual: Air mix control servo motor

Air outlet control servo motor (for rear air conditioning system)

ON-VEHICLE INSPECTION 1. INSPECT REAR AIR OUTLET CONTROL SERVO MOTOR (a) Inspect servo motor operation. (1) Connect the positive (+) lead from the battery to terminal 4 and negative (-) lea ...

For driver side

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

Other materials:

Sensor signal check by test mode (signal check) (when using intelligent tester)
(a) When having replaced the skid control ECU and/or yaw rate and deceleration sensor, perform zero point calibration of the yaw rate and deceleration sensor. HINT: If the ignition switch is turned from the ON position to the ACC or off during test mode (signal check), DTCs of the signal ...

Fuel Pump Primary Circuit
DESCRIPTION This DTC is designed to detect a malfunction in the fuel pump (FUEL PUMP) relay circuit. When the system is normal, the battery voltage is applied to FPR terminal of the ECM while the FUEL PUMP relay is turned OFF. If the battery voltage is not applied to the FPR ter ...

Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system. If the malfunction indicator lamp comes on The OBD system determines that a problem exists somewhere in the emission contr ...