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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L> 13B-555 (1) Disconnect the knock sensor connector B-35. (3) Measure the voltage between knock sensor side connector terminal No. 1 (output) and No. 2 (ground). (4) Gradually increase the engine speed. • The voltage increases with the increase in the engine speed. (5) Turn the ignition switch to the "LOCK"(OFF) position. YES : Replace the ECM or PCM. Then go to Step 6. AK300444 1 2 AB B-35 (GR) CONNECTOR: B-35 <WITHOUT INTAKE KNOCK SENSOR HARNESS AK300749 1 2 KNOCK SENSOR CONNECTOR: B-35 <WITH INTAKE AB B-35 (GR) HARNESS CONNECTOR: AK103514AB KNOCK SENSOR 1 2 |