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01 SNR9AA7K72100090112FAAT00 − − − − − − − − DTC P0112: YES NO YES NO YES NO YES NO 11-86 PGM-FI System MAF SENSOR/IAT SENSOR 5P CONNECTOR IAT IAT Sensor Circuit Low Voltage NOTE: Before you troubleshoot, record all freeze data 1. Turn the ignition switch to ON (II). 2. Check the IAT SENSOR in the DATA LIST with the HDS. Go to step 3. Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals 3. Turn the ignition switch to LOCK (0). 4. Disconnect the MAF sensor/IAT sensor 5P connector. 5. Turn the ignition switch to ON (II). 6. Check the IAT SENSOR in the DATA LIST with the HDS. Go to step 7. Go to step 11. 7. Turn the ignition switch to LOCK (0). 8. Jump the SCS line with the HDS. 9. Disconnect ECM/PCM connector B (44P). 10. Check for continuity between MAF sensor/IAT sensor 5P connector terminal No. 5 and body Repair short in the wire between the MAF sensor/IAT sensor and the ECM/PCM (B31), then go Go to step 18. 11. Turn the ignition switch to LOCK (0). 12. Replace the MAF sensor/IAT sensor (see page 11-224). 13. Reconnect all connectors. 14. Turn the ignition switch to ON (II). 15. Reset the ECM/PCM with the HDS. 16. Do the ECM/PCM idle learn procedure (see page 11-310). 17. Check for Temporary DTCs or DTCs with the HDS. Check for poor connections or loose terminals at the MAF sensor/IAT sensor and the Troubleshooting is complete. If any other Temporary DTCs or DTCs are indicated, go to the Wire side of female terminals Is about 180 °C ( 356 °F ) or mor e, or 0.08 V or less Is about 180 °C ( 356 °F ) or mor e, or 0.08 V or less Is ther e continuity? Is DT C P0112 indicated? 08/08/21 14:15:41 61SNR030_110_0086 |