Automotive Flow Chart
No Start Condition Diagnostic Flowchart
A comprehensive troubleshooting guide for vehicle no start conditions, covering battery, starter, spark, fuel systems, and electrical connection issues
flowchart TD A[No Start Condition] --> B[Try to Start] B -->|No Crank| C[Check Battery] B -->|Cranks No Start| D[Check For Spark] B -->|Intermittent Start| E[Check Connections] C -->|Dead Battery| C1[Load Test Battery] C -->|Good Battery| C2[Check Starter] C -->|Corroded| C3[Clean Terminals] C1 -->|Failed| C4[Replace Battery] C2 -->|Failed| C5[Replace Starter] D -->|No Spark| D1[Check Coils] D -->|Has Spark| D2[Check Fuel] D -->|Weak Spark| D3[Check Power Supply] D1 -->|Failed| D4[Replace Coils] D2 -->|No Fuel| D5[Check Pump/Pressure] E -->|Battery Cables| E1[Clean/Replace] E -->|Starter| E2[Check Solenoid] E -->|Security System| E3[Check Key/Immobilizer] E1 -->|Still Issues| E4[Test Voltage Drop] E2 -->|Failed| E5[Replace Starter]