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:

Adjusting the set speed
To change the set speed, operate the lever until the desired set speed is obtained. Increases the speed Decreases the speed Fine adjustment: Momentarily move the lever in the desired direction. Large adjustment: Hold the lever in the desired direction. The set speed will be incre ...

Short to B+ in CAN Bus Line
DESCRIPTION A short to B+ is suspected in the CAN bus wire when the resistance between terminals 6 (CANH) and 16 (BAT), or terminals 14 (CANL) and 16 (BAT) of the DLC3 is below 6 kΩ. Symptom Trouble Area The resistance between terminals 6 (CANH) and 16 (BAT), or ...

Precaution
NOTICE: Because the compressor operates at high voltages, wear electric insulated gloves and pull out the service plug to cut the high-voltage circuit before inspection. 1. DO NOT HANDLE REFRIGERANT IN AN ENCLOSED AREA OR NEAR AN OPEN FLAME 2. ALWAYS WEAR EYE PROTECTION 3. BE CAREFUL NOT ...