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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L> 13B-271 STEP 5. Check the power supply voltage at ECM connector <A/T>. (2) Turn the ignition switch to the "ON" position. (3) Measure the voltage between terminal No. 4 and ground by backprobing. • Voltage should be battery positive voltage. (4) Turn the ignition switch to the "LOCK" (OFF) position. present? AK300458 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 18 19 20 30 21 22 23 24 25 26 27 28 29 31 32 33 34 35 1 10 CONNECTOR: C-52 <A/T> C-52 (GR) AB HARNESS CONNECTOR: AK300443 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 18 19 20 30 21 22 23 24 25 26 27 28 29 31 32 33 34 35 1 10 CONNECTOR: C-51 <M/T> C-51 (GR) AB HARNESS CONNECTOR: AKX01534 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 C-51<M/T>, C-52<A/T> AI |