Toyota Corolla (E120): Fuel pump control circuit

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Inspection procedure
1 Inspect dlc3 terminal voltage Turn the ignition switch to on.  measure voltage between terminals 13 (tc) and 4 (cg) of dlc3. Ok: voltage: 10 – 16 v 2 Check harness and connector(between cruise control ecu assy and dlc3) Check for open and short circuit in harness ...

Cruise control actuator assy
Replacement 1. Remove cruise control actuator cover Disengage the 2 claws, then remove the cruise control actuator cover. 2. Separate accelerator control cable assy Loosen the double nut and separate the accelerator control cable assy. 3. Separate accelerator auto drive ca ...

Circuit description
When the idle switch is turned on, a signal is sent to the cruise control ecu assy. The cruise control ecu assy uses this signal to correct the discrepancy between the throttle valve position and the actuator position sensor values to enable accurate cruise control at the set speed. If the idl ...