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EC-1186 [YD (WITH EURO-OBD)] DTC P1268 - P1271 FUEL INJECTOR Diagnostic Procedure EBS013FT 1. CHECK FUEL INJECOR POWER SUPPLY CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect fuel injector harness connector. 3. Disconnect ECM harness connector. 4. Check harness continuity between the following terminals corre- 5. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 2. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 2. CHECK ECM OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Check harness continuity between the following terminals corresponding to the malfunctioning cylinder. 2. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 3. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 3. CHECK FUEL INJECTOR-I Refer to EC-1187, "Component Inspection" . OK or NG OK >> GO TO 4. NG >> Replace fuel injector. DTC Terminal Cylinder ECM Fuel injector P1268 4 3 No.1 P1269 5 3 No.2 P1270 5 3 No.3 P1271 4 3 No.4 Continuity should exist. MBIB0635E DTC Terminal Cylinder ECM Fuel injector P1268 42, 43 4 No.1 P1269 21, 22 4 No.2 P1270 23, 24 4 No.3 P1271 40, 41 4 No.4 Continuity should exist. |