Civic Wagon 4WD L4-1590cc 1.6L SOHC (D16A6) MFI (1989)
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Lock-Up Control Solenoid Valve A/B: Description and Operation
The speed and throttle angle sensor inputs to the ECU are used to send an on/off voltage signal to the lock-up control solenoid valve for precise
timing of the torque converter lock-up system.
