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Is there continuity? YES - Repair short in the wire between the PCM (B14(B22)*) and the A/F sensor (Sensor 1), then go NO - Go to step 10. 10. Reconnect PCM connector B (24P). 11. Start the engine. Hold the engine speed at 3,000 RPM without load (in Park or neutral) until the radiator fan comes on, then let it idle 2 minutes. 12. Measure voltage between PCM connector terminals B14 (B22)* and C12. Fig. 99: Measuring Voltage Between PCM Connector Terminals B14 (B22) And C12 Is there about 0.2 V or less? YES - Go to step 20. NO - Go to step 13. 13. Replace the A/F sensor (Sensor 1) (see A/F SENSOR REPLACEMENT ). 14. Reconnect all connectors. 15. Turn the ignition switch ON (II). 16. Reset the PCM with the HDS. 17. Do the PCM idle learn procedure (see PCM IDLE LEARN PROCEDURE ). 18. Check for Temporary DTCs or DTCs with the HDS. Is DTC P2238 and/or P2241* indicated? YES - Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the PCM, then NO - Go to step 19.
2007 Acura RL 2005-08 ENGINE PERFORMANCE PGM-FI System - RL
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