Toyota Sienna Service Manual: Air conditioning control assembly

Heater relay (for rear air conditioning system)

ON-VEHICLE INSPECTION 1. INSPECT REAR HEATER RELAY (a) Remove the rear heater relay. (b) Measure the resistance according to the value(s) in the table below. Standard resistance If the re ...

Removal

1. REMOVE AIR CONDITIONING NO.2 CONTROL ASSEMBLY (a) Release the 4 claw fittings and release the air conditioning No. 2 control assembly. (b) Disconnect the connectors and remove the air con ...

Other materials:

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 ...

Installation
1. INSTALL AIR CONDITIONING BLOWER ASSEMBLY (a) Install the air conditioning blower assembly with the 3 bolts. Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf) NOTICE: Tighten the bolts in the order shown in the illustration to install the air conditioning blower assembly. 2. INSTALL AIR CONDITIO ...

Seat heaters
For driver’s seat For front passenger’s seat On The indicator light comes on. Adjusts the seat temperature The further you move the dial upward, the warmer the seat becomes. The seat heaters can be used when the engine switch is in the “ON” position (vehicles ...