Automotive Flow Chart

flowchart TD
    A[HVAC Issue] --> B[Type of Problem]
    B -->|No Cold Air| C[Check Refrigerant]
    B -->|No Heat| D[Check Coolant]
    B -->|No Airflow| E[Check Blower]

    C -->|Low/Empty| C1[Leak Test]
    C -->|Normal| C2[Check Compressor]
    C -->|High| C3[Check Restriction]
    C1 -->|Leak Found| C4[Repair/Replace]
    C2 -->|Not Engaging| C5[Check Clutch]

    D -->|Low Coolant| D1[Check Level/Leaks]
    D -->|Has Coolant| D2[Check Heater Core]
    D -->|Intermittent| D3[Check Flow]
    D1 -->|Leak Found| D4[Repair Leak]
    D2 -->|Blocked| D5[Flush/Replace]

    E -->|No Power| E1[Check Fuse/Power]
    E -->|Has Power| E2[Check Motor]
    E -->|Speed Issue| E3[Check Resistor]
    E1 -->|Blown Fuse| E4[Check Circuit]
    E2 -->|Bad Motor| E5[Replace Blower]

    C5 -->|Bad Clutch| C6[Replace Clutch]
    C5 -->|No Power| C7[Check Relay]
    D5 -->|Still Cold| D6[Check Blend Door]
    E5 -->|No Change| E6[Check Controls]