1. INSPECT COOLER CONDENSER ASSY
(a) If a fin of the cooler condenser assy is dirty, clean it with water and dry it with compressor air.
NOTICE: Do not damage the fin of the condenser assy.
(b) If a fin of the condenser assy is bent, make it straight using a screwdriver or pliers.
2. INSPECT CONDENSER FOR LEAKAGE OF REFRIGERANT
(a) Using a halogen leak detector, check pipe joints for gas leakage.
(b) If gas leakage is detected in a joint, check the torque of the joint.
COMPONENTS

ReplacementSymptom confirmation and diagnostic trouble code
HINT:
The diagnostic system in the HIGHLANDER has various functions.
The first function is the Diagnostic Trouble Code (DTC) check. A DTC
is a code stored in the ECU
memory whenever a malfunction in the signal circuits to the ECU occurs. In a
DTC check, a previous
malfunction's DTC ca ...