On-Vehicle Inspection

WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

CHECK COOLER CONDENSER ASSEMBLY
1. Check the cooler condenser for dirt.
  If a fin of the cooler condenser is dirty, clean it with water and dry it with compressor air.
  
  NOTE: Do not damage the fin of the cooler condenser.
  
  If a fin of the cooler condenser is bent, straight it using a screwdriver or pliers.
CHECK CONDENSER FOR LEAKAGE OF REFRIGERANT
1. Check pipe joints for gas leakage If gas leakage is detected in a joint, check the torque of the joint.