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:

Ignition Switch Circuit
DESCRIPTION When the ignition switch is turned to the ON position, battery positive voltage is applied to terminal IG of the ECU. When battery positive voltage is applied to terminal IG of the ECU while the theft deterrent system is operating, the warning stops. WIRING DIAGRAM INSPECTIO ...

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 ...

Antenna Coil Open / Short
DTC B2784 Antenna Coil Open / Short DESCRIPTION The transponder key coil is built into the transponder key amplifier and receives a key code signal from the transponder chip in the key. This signal is amplified by the amplifier, and output to the transponder key ECU. DTC No. ...