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Power Circuits

Turn ignition on. Backprobe and check for battery voltage at ECM/PCM power terminals. If battery voltage is not present, check operation of MFI relay. See RELAYS under MOTORS, RELAYS & SOLENOIDS. If relay is okay, check suspect circuit between ECM/PCM and relay. Perform repairs as necessary.

Fig 1: Identifying ECM/PCM Terminals (Diamante)

G99F04864

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Fig 2: Identifying ECM/PCM Terminals (Eclipse 2.0L Non-Turbo)

G97J07044

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Fig 3: Identifying ECM/PCM Terminals (Eclipse 2.0L Turbo & 2.4L)

G99I04865

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Fig 4: Identifying ECM/PCM Terminals (Galant 2.4L M/T)

G99C04867

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 5: Identifying ECM/PCM Terminals (Galant 2.4L A/T & 3.0L)

G99A04866

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Fig 6: Identifying ECM/PCM Terminals (Mirage & Montero Sport 2.4L)

G99E04868

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Fig 7: Identifying ECM/PCM Terminals (Montero & 3000GT)

G98G12431

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Fig 8: Identifying ECM/PCM Terminals (Montero Sport 3.0L M/T)

G99I04870

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Fig 9: Identifying ECM/PCM Terminals (Montero Sport 3.0L A/T & 3.5L)

G99G04869

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA