|
|
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L ENGINE> 13B-379 STEP 4. Using scan tool MB991502, check data list item 27: CAUTION To prevent damage to scan tool MB991502, always turn the 27, Power Steering Pressure Switch. • If the steering wheel is stopped while idling, "OFF" will • If the steering wheel is steered while idling, "ON" will be (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 14. STEP 5. Check connector B-19 at power steering pressure YES : Go to Step 6. Connector Inspection ( ). Then go to Step 14. STEP 6. Check the power supply voltage at power steering side. (2) Turn the ignition switch to the "ON" position. • Voltage should be battery positive voltage. (4) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is the voltage normal? YES : Go to Step 11. AKX01177 16 PIN MB991502 AB ACX02522 AC CONNECTOR : B-19 POWER POWER STEERING AK000260AB 1 B-19 HARNESS |