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FL -150 FUEL SYSTEM 3) Check continuity between MAFS connector terminal 5 and ECM connector (C230-A) terminal 42. specification : Continuity ( below 1.0 Ω ) 4) Is the measured resistance within the specification? YES ▶ Go to "3. Check short to ground in signal circuit" as follows. NO ▶ Repair open in signal circuit and go to "Verification of Vehicle Repair". 3. Check short to ground in signal circuit 1) IG KEY "OFF", ENGINE "OFF". 2) Disconnect MAFS sensor connector and ECM connector. 3) Check continuity between MAFS connector terminal 5 and chassis ground. Specification : Discontinuity(Infinite Ω ) 4) Is the measured resistance within the specification? YES ▶ Go to "Ground Circuit Inspection". NO ▶ Repair short to ground in signal circuit and go to "Verification of Vehicle Repair". GROUND CIRCUIT INSPECTION ECB82765 1. IG KEY "OFF", ENGINE "OFF". 2. Disconnect MAFS connector. 3. IG KEY "ON". 4. Measure the voltage of MAFS connector terminal 4. [ TEST "A" ] 5. Measure the voltage between MAFS connector terminal 4 and 2. [ TEST "B" ] Specification : [TEST "A"] Voltage - [TEST "B"] Voltage = below 200mV 6. Is the measured voltage within the specification? YES ▶ Go to "Component Inspection". |