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+ 01 SNR9AA7K72100092238FAAT00 + − − − − − − DTC P2238: YES NO YES NO YES NO 11-178 PGM-FI System ECM/PCM CONNECTOR C (44P) AFS (RED) A/F Sensor (Sensor 1) AFS Circuit Low Voltage NOTE: Before you troubleshoot, record all freeze data 1. Turn the ignition switch to ON (II). 2. Clear the DTC with the HDS. 3. Check for Temporary DTCs or DTCs with the HDS. Go to step 4. Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals 4. Turn the ignition switch to LOCK (0). 5. Jump the SCS line with the HDS. 6. Disconnect the A/F sensor (Sensor 1) 4P connector. 7. Disconnect ECM/PCM connector C (44P). 8. Check for continuity between ECM/PCM connector terminal C29 and body ground. Repair short in the wire between the ECM/ PCM (C29) and the A/F sensor (Sensor 1), then go to Go to step 9. 9. Replace the A/F sensor (Sensor 1) (see page 11-221). 10. Reconnect all connectors. 11. Turn the ignition switch to ON (II). 12. Reset the ECM/PCM with the HDS. 13. Do the ECM/PCM idle learn procedure (see page 11-310). 14. Check for Temporary DTCs or DTCs with the HDS. Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the ECM/ Go to step 15. Terminal side of female terminals Is DT C P2238 indicated? Is ther e continuity? Is DT C P2238 indicated? 08/08/21 14:20:28 61SNR030_110_0178 |