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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-717 . CIRCUIT OPERATION • A battery positive voltage is applied on the data link connector power terminal (terminal No. 16). . COMMENT • The cause is probably a defect in power supply system (including ground) for the on-board diag- . TROUBLESHOOTING HINTS (The most likely • Malfunction of the data link connector. • Damaged harness wire. DIAGNOSIS STEP 1. Measure the power supply voltage at data link • Voltage should be battery positive voltage. Q: Is battery positive voltage (approximately 12 volts) present? intermediate connector for damage, and repair or . If intermediate connector D-01 and D-06 are in good condition, repair AK200036AB CONNECTORS: D-01, D-06 JUNCTION BLOCK D-06 D-01 AK302269 1 2 3 4 5 6 12 11 10 1516 14 13 9 7 8 CONNECTOR: C-69 C-69(B) HARNESS AB AKX01430 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 C-69 HARNESS AT |