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6E–229 ENGINE DRIVEABILITY AND EMISSIONS DTC P0405 – EGR Low Volt
Step Action Value(s) Yes No 1 Was the “On-Board Diagnostic (OBD) System Check” — Go to Step 2 Go to OBD System Check 2 1. Ignition “ON,” engine “OFF”, review and record Tech 2 Failure Records Data. 2. Operate the vehicle within Failure Records conditions as noted. 3. Using Tech 2, monitor “DTC” info for DTC P0405 until the DTC P0405 test runs. Note the result. Does Tech 2 indicates DTC P0405 failed this ignition? — Go to Step 3 Refer to Diagnostic Aids 3 1. Disconnect the EGR valve harness connector. pin or terminals. Were there any damaged pins or terminals? — Go to Step 4 Go to Step 5 4 Repair the damaged pin or terminal. Is the action complete? — Verify repair — 5 1. Disconnect the EGR harness connector. at the 5 volt reference wire (RED) and ground (B). Did the DVM indicate the specified value? 4–6 V Go to Step 6 Go to Step 7 6 1. Disconnect the EGR harness connector. Was resistance in range? 5–5.5 K W Go to Step 10 Go to Step 17 7 1. Ignition “ON”. 5 volt reference for the EGR valve. Did the DVM indicate the specified value? 4–6 V Go to Step 8 Go to Step 9 8 Repair the open 5 volt reference circuit. Is the action complete? — Verify repair — 9 Repair the damaged sensor ground wire. Is the action complete? — Verify repair — 10 1. Disconnect the EGR harness position pin and the sensor ground pin on the EGR NOTE: J-35616 Connector Test Adapter Kit may be Was the ohmmeter reading approximately equal to the 1 to 1.25 K W Go to Step 11 Go to Step 17 11 1. Ignition “ON”. valve pintle position pin and sensor ground pin. Was voltage in range? Less than 0.1 V Go to Step 17 Go to Step 12 |