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Toyota Corolla Repair Manual: 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 idle switch is malfunctioning, problem symptoms also occur in the engine, so also inspect the engine.

Wiring diagram

Wiring diagram

Inspection procedure

Idle signal circuit
Dtc 51 idle signal circuit ...

Inspection procedure
1 Inspect terminal voltage(idl) Remove the cruise control ecu assy with connector still connected.  disconnect the ecm connector.  turn the ignition switch to on.  measu ...

Other materials:

Onvehicle inspection
1. Install lspv gauge (sst) and bleed air  remove the bleeder plugs from the front and rear brake cylinder.  install the lspv gauge (sst), and bleed the air. Sst 0970929018 2. Raise master cylinder pressure and check rear wheel cylinder pressure Hint: when inspecting ...

Exterior/interior trim
Preparation Recomended tools Equipment Vehicle control system Preparation Recomended tools ...

Circuit description
The p/t squib (rh) circuit consists of the airbag sensor assy center and seat belt pretensioner (rh). It causes the srs to deploy when the srs deployment conditions are satisfied. Dtc b0130/63 is recorded when a short is detected in the p/t squib (rh) circuit. Wiring diagram ...

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