| Circuit Diagram |

Signal Waveform
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the HO2S connector. 3. Measure resistance between the HO2S terminals 1 and 2. 4.
Component Location Index Engine Room [Lambda Engine] 1. Expansion Valve2. Suction & Liquid Tube Assembly3. Service Port (Low Pressure)4. Service Port (High Pressure)5. A/C Pressure Transducer (APT)6. Compressor7. Condenser8. Receiver-drier [Tau Engine] 1.
Inspection 1. Check the condenser fins for clogging and damage. If they are clogged, clean them with water, and blow them with compressed air. If they are bent, gently bend them using a screwdriver or pliers. 2. Check the condenser connections for leakage, and repair or replace it, if required.