Basic Troubleshooting Basic Troubleshooting Guide Customer Problem Analysis Sheet Basic Inspection Procedure Measuring Condition Of Electronic Parts' Resistance The measured resistance at high temperature after vehicle running may be high or low.
Components Location 1. ECM (Engine Control Module) 2. Manifold Absolute Pressure Sensor (MAPS) 3. Intake Air Temperature Sensor (IATS) 4.
Oil Specification 1. The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor (PAG) oil varies according to compressor model.
Component Location 1. Heater unit assembly Compoents 1. Mode control actuator 2. Heater core case 3. Center duct seal 4. PTC heater 5. Heater core assembly 6. Heater case [LH] 7.