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10 11 − − − − − − − − YES NO YES NO YES NO YES NO 11-84 PGM-FI System DTC Troubleshooting (cont’d) AFSHTCR JUMPER A/F SENSOR RELAY (LAF) 4P CONNECTOR PCM CONNECTOR A (44P) AFSHTCR (ORN) 20. Connect A/F sensor relay (LAF) 4P connector terminal No. 4 to body ground with a jumper wire. 21. Check for continuity between PCM connector terminal A21 and body ground. Go to step 22. Repair open in the wire between the PCM (A21) and the A/F sensor relay (LAF), then go to 22. Test the A/F sensor relay (LAF) (see page 22-75). Go to step 30. Replace the A/F sensor relay (LAF), then go to step 24. 23. Replace the A/F sensor (Sensor 1) (see page 11-199). 24. Reconnect all connectors. 25. Turn the ignition switch ON (II). 26. Reset the PCM with the HDS. 27. Do the PCM idle learn procedure (see page 11-273). 28. Check for Temporary DTCs or DTCs with the HDS. Check for poor connections or loose terminals at the A/F sensor (Sensor 1), the A/F Go to step 29. 29. Monitor the OBD STATUS for DTC P0135 and/or P0155 in the DTCs MENU with the HDS. Troubleshooting is complete. If any other Temporary DTCs or DTCs were indicated in step 28, If the screen indicates FAILED, check for poor connections or loose terminals at the A/F sensor Terminal side of female terminals Terminal side of female terminals Is ther e continuity? Is the A/ F sensor r elay ( LAF ) OK ? Is DT C P0135 and/ or P0155 indicated? Does the scr een indicate PASSED? |