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6E2–150 6VD1 3.2L ENGINE DRIVEABILITY AND EMISSIONS DTC P0154 – HO2S Circuit Insufficient Activity Bank 2 Sensor 1 (Cont'd) Step No Yes Value(s) Action 7 1. Ignition “OFF.” Bank 2 HO2S 1 low circuit. 3. If the Bank 2 HO2S 1 high circuit measures over 5.0 ohms, repair open or poor connection as necessary. Was a Bank 2 HO2S 1 high circuit problem found and — Verify repair Go to Step 8 8 1. Ignition “OFF.” Bank 2 HO2S 1 low circuit. 3. If the Bank 2 HO2S 1 low circuit measures over 5 ohms, repair open or poor connection as necessary. Was a Bank 2 HO2S 1 low circuit problem found and — Verify repair Go to Step 9 9 1. Ignition “ON,” engine “OFF.” high and low circuits (PCM side) to ground. 3. Using a Tech 2, monitor Bank 2 HO2S 1 voltage. Is the Bank 2 HO2S 1 voltage in the specified range? 0-10 mV Go to Step 10 Go to Step 11 10 Replace Bank 2 HO2S 1. Is the action complete? — Verify repair — 11 Replace the PCM. Is the action complete? — Verify repair — |