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P0101 MAF SENSOR EC-169 < COMPONENT DIAGNOSIS > [QR25DE FOR CALIFORNIA] C D E F G H I J K L M A EC N P O 3. Select “DATA MONITOR” mode with CONSULT-III. 4. Check the voltage of “MAS A/F SE-B1” with “DATA MONITOR”. 5. Increases engine speed to about 4,000 rpm. 6. Monitor the linear voltage rise in response to engine speed increases. Is the inspection result normal? YES >> GO TO 4. NO >> Go to 4. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B 1. Maintain the following conditions for at least 10 consecutive seconds. CAUTION: Always drive vehicle at a safe speed. 2. Check 1st trip DTC. YES >> Go to NO >> INSPECTION END 5. PERFORM COMPONENT FUNCTION CHECK FOR MALFUNCTION B Perform component function check. Refer to EC-169, "Component Function Check" . NOTE: Use component function check to check the overall function of the mass air flow sensor circuit. During this check, a DTC might not be confirmed. YES >> INSPECTION END NO >> Go to Component Function Check INFOID:0000000004349214 1. PERFORM COMPONENT FUNCTION CHECK FOR MALFUNCTION B With GST 1. Start engine and warm it up to normal operating temperature. 2. Select Service $01 with GST. PBIB3457E ENG SPEED More than 1,500 rpm THRTL SEN 1-B1 More than 3V THRTL SEN 2-B1 More than 3V Shift lever Suitable position Driving location Driving vehicle uphill (Increased engine load) will help |