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− 01 02 SNR9AA7K72100090141FAAT00 − − − − − − − − DTC P0141: YES NO YES NO YES NO YES NO 11-110 PGM-FI System SECONDARY HO2S (SENSOR 2) 4P CONNECTOR SECONDARY HO2S (SENSOR 2) 4P CONNECTOR Secondary HO2S (Sensor 2) Heater Circuit Malfunction NOTE: Before you troubleshoot, record all freeze data 1. Turn the ignition switch to ON (II). 2. Clear the DTC with the HDS. 3. Start the engine. 4. Check for Temporary DTCs or DTCs with the HDS. Go to step 5. Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals 5. Turn the ignition switch to LOCK (0). 6. Check the No. 3 ALTERNATOR (10 A) fuse in the under-dash fuse/relay box. Go to step 7. Repair short in the wire between the secondary HO2S (Sensor 2) and the No. 3 7. Disconnect the secondary HO2S (Sensor 2) 4P connector. 8. At the secondary HO2S (Sensor 2) side, measure the resistance between secondary HO2S (Sensor 2) Go to step 9. Go to step 22. 9. At the secondary HO2S (Sensor 2) side, check for continuity between body ground and secondary Go to step 22. Go to step 10. Wire side of female terminals Wire side of female terminals Is DT C P0141 indicated? Is the f use OK ? Is ther e 5.4 7 .3 at r oom temper atur e? Is ther e continuity? 08/08/21 14:17:23 61SNR030_110_0110 |