Contents Wiring diagrams Section: Automatic HVAC System All sections

A/c-Heater System: Specifications Lexus ES XV20

Automatic HVAC System 2 illustrations

SPECIFICATIONS

WARNINGVehicle is equipped with Supplemental Inflatable Restraint (SIR) system. When servicing vehicle, use care to avoid accidental air bag deployment. SIR system-related components are located in various locations throughout interior and exterior of vehicle, depending on application. Do not use electrical test equipment on or near these circuits. If necessary, deactivate SIR system before servicing components. See appropriate AIR BAG RESTRAINT SYSTEMS article in RESTRAINTS.

Note. When battery is disconnected, radio will go into anti-theft protection mode. Obtain radio anti-theft protection code from owner prior to servicing vehicle.

ApplicationSpecification
Compressor TypeNippondenso 10PA20 10-Cyl.
Compressor Belt Tension
New139-191 lbs. (63-87 kg)
Used66-110 lbs. (20-50 kg)
Compressor Oil Capacity(1) 4.8 ozs.
Refrigerant (R-134a) Capacity26.5-29.9 ozs.
System Operating Pressures (2)
High Side199-228 psi (14-16 kg/cm 2 )
Low Side21-36 psi (1.5-2.5 kg/cm 2 )
(1) Use Denso/ND-OIL 8 refrigerant oil. (2) At 86-95°F (30-35°C) and engine speed at 1500 RPM.
(1)Use Denso/ND-OIL 8 refrigerant oil.
(2)At 86-95°F (30-35°C) and engine speed at 1500 RPM.

A/C SYSTEM SPECIFICATIONS

TORQUE SPECIFICATIONS

ApplicationFt. Lbs. (N.m)
A/C Compressor-To-Bracket Bolts18 (25)
A/C Compressor Bracket-To-Engine Bolts18 (25)
Alternator Pivot Bolt41 (56)
Drive Belt Adjusting Bar Bracket Bolts/Nut18 (25)
Drive Belt Adjusting Bar
Bracket-To-Adjusting Bar13 (18)
Drive Belt Adjusting Lock Bolt13 (18)
INCH Lbs. (N.m)
Compressor Hoses89 (10)
Condenser Lines89 (10)
Pressure Switch89 (10)
Receiver-Drier Lines53 (6)

TORQUE SPECIFICATIONS

Scheme 22: Automatic A/C-Heater System Wiring Diagram (1 Of 2)
Scheme 23: Automatic A/C-Heater System Wiring Diagram (2 Of 2)