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ECH-178 < DTC/CIRCUIT DIAGNOSIS > [HRA2DDT] P0135 HO2S1 HEATER Is the inspection result normal? YES >> GO TO 6. NO >> GO TO 5. 5. DETECT MALFUNCTIONING PART Check the following. >> Repair or replace harness or connectors. 6. CHECK HO2S1 OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between HO2S1 harness connector and ECM harness connector. 4. Also check harness for short to ground and short to power. Is the inspection result normal? YES >> GO TO 7. NO >> Repair open circuit or short to ground or short to power in harness or connectors. 7. CHECK INTERMITTENT INCIDENT Perform GI-41, "Intermittent Incident" . YES >> Replace heated oxygen sensor 1. NO >> Repair or replace harness or connectors. HO2S1 Ground Voltage Connector Terminal F48 4 Ground Battery voltage HO2S1 ECM Continuity Connector Terminal Connector Terminal F48 3 F17 91 Existed |