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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-73 STEP 2. Measure the sensor output voltage at Manifold (3) Measure the voltage between terminal No. 1 and ground by backprobing. • When altitude is 0 m (0 foot), voltage should be 3.7 and 4.3 volts. • When altitude is 600 m (1,969 feet), voltage should be 3.4 and 4.0 volts. • When altitude is 1,200 m (3,937 feet), voltage should be 3.2 and 3.8 volts. • When altitude is 1,800 m (5,906 feet), voltage should be 2.9 and 3.5 volts. (4) Turn the ignition switch to the "LOCK" (OFF) position. YES : Go to Step 10. STEP 3. Measure the sensor supply voltage at manifold (3) Measure the voltage between terminal No. 3 and ground by backprobing. • Voltage should be between 4.9 and 5.1 volts. (4) Turn the ignition switch to the "LOCK" (OFF) position. YES : Go to Step 6. AK303809 1 2 3 AB CONNECTOR: B-02 B-02 (B) HARNESS CONNECTOR: 3 2 1 AK203034 B-02 HARNESS AG AK303809 1 2 3 AB CONNECTOR: B-02 B-02 (B) HARNESS CONNECTOR: 3 2 1 AK203036 B-02 HARNESS AG |