Toyota Sienna Service Manual: Replacement

Toyota Sienna Service Manual / Air conditioning / Replacement

1. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM

SST 07110-58060 (07117-58080, 07117-58090, 07117-78050, 07117-88060, 07117-88070, 07117-88080)

(a) Turn the A/C switch to ON.

(b) Operating the cooler compressor at the engine rpm of approx. 1,000 for 5 to 6 minutes, circulate the refrigerant and collect the compressor oil remaining in each component into the cooler compressor as much as possible.

(d) Let the refrigerant gas out.

SST 07110-58060 (07117-58080, 07117-78050, 07117-88060, 07117-88070, 07117-88080)

2. CHARGE REFRIGERANT

(a) Using a vacuum pump, perform a vacuum purging.

(b) Charge refrigerant, HFC-134a (R134a).

Standard: 780 +- 30 g (27.5 +- 1.06 oz.) SST 07110-58060 (07117-58060, 07117-58070, 07117-58080, 07117-58090, 07117-78050, 07117-88060, 07117-88070, 07117-88080)

CHARGE REFRIGERANT

3. WARM UP ENGINE

4. INSPECT REFRIGERANT LEAK

(a) Using a gas leak detector, check for leakage of the refrigerant.

Refrigerant line

COMPONENTS

Refrigerant line

Refrigerant

On-vehicle inspection 1. INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET (a) This method uses a manifold gauge set to locate problem areas. Read the manifold gauge pressure when these conditi ...

Air conditioning unit

COMPONENTS ...

Other materials:

Ambient temperature sensor circuit
DTC B1412/12 Ambient Temperature Sensor Circuit DESCRIPTION The ambient temperature sensor is installed in front of the condenser to detect the ambient temperature which is used to control the air conditioner "AUTO" mode. This sensor is connected to the A/C amplifier and detects fl ...

Precaution
CAUTION: The vehicle is equipped with a Supplemental Restraint System (SRS). It consists of a driver airbag, front passenger airbag, front seat side airbag, curtain shield airbag, and front seat belt pretensioner. Failure to carry out service operations in the correct sequence co ...

Before driving
Floor mat Use only floor mats designed specifically for vehicles of the same model and model year as your vehicle. Fix them securely in place onto the carpet. Insert the retaining hooks (clips) into the floor mat eyelets. Turn the upper knob of each retaining hook (clip) to secu ...