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EC-160 < COMPONENT DIAGNOSIS > [QR25DE] P0102, P0103 MAF SENSOR 12. Check the voltage between ECM harness connector and ground. 13. Fully release accelerator pedal then fully depress it. 14. Check for linear voltage rise in response to engine being increased to about 2,500 rpm. Is the inspection result normal? YES >> INSPECTION END NO >> Clean or replace mass air flow sensor. ECM Ground Condition Voltage Connector Terminal F13 58 (MAF sensor signal) Ground 2,500 rpm (Engine is 1.5 - 1.8 V JMBIA1633ZZ |