Honda CR-V: Engine Mechanical

 Emissions Testing

Testing of Readiness Codes If you take your vehicle for an emissions test shortly after the battery has been disconnected or gone dead, it may not pass the test. This is because of certain ‘‘readiness codes’’ that must be set in the onboard diagnostics for the emissions systems

 DTC P1157: A/F Sensor (Sensor 1) AFS Circuit High Voltage

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information. 1. Turn the ignition switch ON (II). 2. Clear the DTC with the HDS. 3. Start the engine, and wait 1 minute. 4. Check for Temporary DTCs or DTCs with the HDS. Is DT