Toyota Sienna Service Manual: Air conditioning unit

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 t ...

Removal

1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM (See page AC-172) 2. REMOVE FRONT WIPER ARM HEAD CAP (See page WW-4) 3. REMOVE FRONT WIPER ARM RH (See page WW-4) 4. REMOVE FRONT WIPER ARM LH (Se ...

Other materials:

Reassembly
1. INSTALL COOLER DRYER (a) Using needle nose pliers, install the cooler dryer. (b) Install a new O-ring on the cap. (c) Sufficiently apply compressor oil to the fitting surfaces of the O-ring and the cap. Compressor oil: ND-OIL 8 or equivalent (d) Using a hexagon wrench 14 mm ( ...

Check for open circuit
(a) For an open circuit in the wire harness in Fig. 1, the resistance or voltage, as described below. (b) Check the resistance.  Check the resistance Standard resistance (Fig. 2) HINT: Measure the resistance while lightly shaking the wire harness vertically and horizontally. I ...

Brake Switch "A" Circuit
DTC P0571 Brake Switch "A" Circuit DESCRIPTION When the brake pedal is depressed, the stop light switch sends a signal to the ECM. When the ECM receives this signal, it cancels the cruise control. The fail-safe function operates to enable normal driving even if there is a malfuncti ...