|
|
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-55 STEP 4. Using scan tool MB991502, check data list item 25: CAUTION To prevent damage to scan tool MB991502, always turn the 25, Barometric Pressure Sensor. • When altitude is 0 m(0 foot), 101 kPa. • When altitude is 600 m(1,969 feet), 95 kPa. • When altitude is 1,200 m(3,937 feet), 88 kPa. • When altitude is 1,800 m(5,906 feet), 81 kPa. (4) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the sensor operating properly? YES : It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use Troubleshooting/ NO : Replace the ECM or PCM. Then go to Step 12. STEP 5. Check the sensor supply voltage at barometric backprobing. • Voltage should be between 4.8 and 5.2 volts. (4) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the voltage normal? YES : Go to Step 7. STEP 6. Check connector C-60 at ECM <M/T> or connector YES : Replace the ECM or PCM. Then go to Step 12. Connector Inspection ( ). Then go to Step 12. AKX01177 16 PIN MB991502 AB AKX01521AC B-14 CONNECTOR 1 2 3 4 5 6 7 AK000280 C-54 C-60 ECM<M/T> CONNECTORS:C-60<M/T>,C-54<A/T> BB |