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P0101 MAF SENSOR EC-107 < COMPONENT DIAGNOSIS > [QR25DE] C D E F G H I J K L M A EC N P O 1. Start engine and warm it up to normal operating temperature. 2. Select “DATA MONITOR” mode with CONSULT-III. 3. Check the voltage of “MAS A/F SE-B1” with “DATA MONITOR”. 4. Increases engine speed to about 4,000 rpm. 5. Monitor the linear voltage rise in response to engine speed If OK, go to following step. 6. Maintain the following conditions for at least 10 consecutive seconds. 7. Check 1st trip DTC. 8. If 1st trip DTC is detected, go to Overall Function Check INFOID:0000000005273084 PROCEDURE FOR MALFUNCTION B Use this procedure to check the overall function of the mass air flow sensor circuit. During this check, a 1st trip With GST 1. Start engine and warm it up to normal operating temperature. 2. Select Service $01 with GST. 3. Check the mass air flow sensor signal with Service $01. 4. Check for linear mass air flow sensor signal value rise in 5. If NG, go to SEF243Y ENG SPEED More than 2,000 rpm TP SEN 1-B1 More than 1.5 V TP SEN 2-B1 More than 1.5 V Shift lever Suitable position Driving location Driving vehicle uphill (Increased engine load) will help SEF534P |