|
|
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-935 • Improper connector contact, open circuit or short-circuited harness wire. • Malfunction of the PCM. DIAGNOSIS STEP 1. Check the ignition coil. − On-vehicle service − Ignition Coil Check Q: Are there any abnormalities? YES : Replace the ignition coil. Then confirm that the malfunction symptom is eliminated. NO : Go to Step 2. STEP 2. Check harness connectors B-31, B-32, B-34 at YES : Go to Step 3. Connector Inspection . Then confirm that the malfunction symptom is eliminated. STEP 3. Measure the power supply voltage at ignition coil the harness side. (2) Turn the ignition switch to the "ON" position. (3) Measure the voltage between terminal No. 1 and ground. • Voltage should be battery positive voltage. (4) Turn the ignition switch to the "LOCK" (OFF) position. present? AK201291 1 2 3 B-31(GR) B-32(GR) B-34(GR) AB CONNECTORS: B-31, B-32, B-34 HARNESS AK201291 1 2 3 B-31(GR) B-32(GR) B-34(GR) AB CONNECTORS: B-31, B-32, B-34 HARNESS AK000414AL B-31, B-32, B-34 HARNESS 1 2 3 |