Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
The cost to diagnose the P1760 2002 Toyota Echo code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
The throttle pressure that is applied to the primary regulator valve (which modulates line pressure) causes the Shift Solenoid Valve SLT, under electronic control, to precisely and minutely modulate and generate line pressure according to the accelerator pedal effort, or engine power output detected. This reduces the function of line pressure and provides smooth shifting characteristics. Upon receiving the throttle valve opening angle signal, the Engine Control Module (ECM) controls the line pressure by sending a predetermined duty ratio to the solenoid valve, modulating the line pressure, generating throttle pressure.
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