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6E–230 ENGINE DRIVEABILITY AND EMISSIONS DTC P0405 – EGR Low Volt (Cont'd) Step No Yes Value(s) Action 12 1. Ignition “ON”. sensor ground pin and pintle position pin. Was voltage in range? Less than 0.1 V Go to Step 13 Go to Step 18 13 1. Ignition “OFF”. circuit and EGR ground circuit. Was any short circuit? — Go to Step 14 Go to Step 18 14 Locate and repair the short to ground in the pintle Is the action complete? — Verify repair — 15 1. Ignition “OFF”. position circuit and ground. Is the measured voltage near the specified value? Less than 0.1 V Go to Step 17 Go to Step 16 16 Check for a short circuit between other wires and the Was any short circuit? — Repair short circuit Verify repair Go to Step 17 17 Replace the EGR valve. Does DTC P1404 still fail “specific DTC test on Tech 2? — Go to Step 18 Verify repair 18 Examine the PCM pin and terminal connection. Was there a damaged terminal? — Go to Step 4 Go to Step 19 19 Replace the PCM. IMPORTANT: The replacement PCM must be UBS 98model year Immobilizer Workshop Manual. Is the action complete? — Verify repair — |