Obd1 Codes Toyota Camry or a Toyota Camry include 12 (system pass), 21 (idle speed control system problem), 22 (throttle position sensor problem), 31 (airflow meter problem), and 41 (ignition timing problem). These codes help diagnose engine and sensor issues. How do I read OBD1 codes on a Toyota Camry? To read OBD1 cod M Miss Lynne Greenholt Sep 19, 2025
B16a Obd1 Connector Wiring Diagram tems. Cons: 2. Lack of standardization across different Honda models can cause confusion. 1. Limited data transmission capabilities compared to OBD2 restrict advanced 2. diagnostics. Wiring complexity increases with added features lik D Dina Mills Jun 25, 2026
