Electronic Control Unit (Ecu)

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Obtain access to ECU. See Figure. Turn ignition on. Using voltmeter, check voltage between designated terminals on ECU with connector installed on ECU. Voltage should be as specified. See Fig 1 and Fig 2.
Turn ignition off. Using ohmmeter, check for continuity between specified terminals. Continuity should be as specified. See Fig 1 and Fig 2.

NOTE: Connector "A" goes to shift lock solenoid. Connector "B" goes to ignition switch and brakelight switch. Connector "C" goes to shift lock control switch.

Fig 1: Checking ECU Voltages & Continuity (1 of 2)

Fig 2: Checking ECU Voltages & Continuity (2 of 2)