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GDI – Troubleshooting 13A-29 Repair OK Measure at oxygen sensor (rear) Disconnect the connector and Resistance between terminal 2 Ω or less NG Check the following connectors: NG OK Check the trouble symptoms. Check the following connector: NG Repair (2) NG Check the oxygen sensor (rear). NG Replace OK Check the harness wire between NG Repair NG Replace the engine-ECU. Repair OK (1) NG Check the following connectors: NG OK Check the harness wire between OK NG Repair OK Check the harness wire between OK NG Check the following connector: NG OK Check the harness wire between OK Check the following connectors: OK Repair NG Check the trouble symptoms. OK Transient malfunction NG Replace the engine-ECU. Repair Check the following connector: Measure at engine-ECU connector Measure the voltage at the Engine: 2,500 r/min (after Voltage between terminal 53 and Measure at oxygen sensor (rear) Use the test harness (MB998464) Engine: 2,500 r/min (after (1) Voltage between terminal 2 and earth (2) Voltage between terminal 4 and earth |