Toyota Tacoma manuals

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:

Replacement
Hint: installation is according to the reverse order of the removal. 1. Remove fr wiper arm rh 2. Remove fr wiper arm lh 3. Remove hood to cowl top seal 4. Remove cowl top ventilator louver lh 5. Remove cowl top ventilator louver rh 6. Remove front door weatherstrip rh 7. Remove front ...

Diagnostic trouble code chart
If a dtc is displayed during the dtc check, check the circuit listed in the table below and proceed to the page given. * :● ... Mil light up ...

Overhaul
Hint: components: 1. Drain manual transaxle oil (m/t transaxle) torque: 39.2 Nvm (400 Kgfcm, 29 ftlbf) 2. Drain automatic transaxle fluid (a/t transaxle) torque: 17.5 Nvm (178 Kgfcm, 13 ftlbf) 3. Remove front wheel 4. Remove engine under cover lh 5. Remove front axle hub lh nut U ...

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