Toyota Corolla Repair Manual: Idle signal circuit

Inspection procedure

1 Input signal check See input signal check on page 05–745. check indicator light operation when driving with vehicle speed above 40 km/h (25 mph), and with vehicle speed below 40 km/h ( ...

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 ...

Other materials:

How to proceed with troubleshooting
1 Vehicle brought in 2 Customer problem analysis check and symptom check 3 Problem symptoms table Without applicable symptoms, proceed to ”a”  with applicable symptoms, proceed to ”b” 4 Perform troubleshooting in the following method, depending on malfunction symptom Ter ...

Data list/active test
1. Data list Hint: using the data list displayed by the hand–held tester or the obd ii scan tool, you can read the value of the switches, sensors, actuators and so on without parts removal. Reading the data list as a first step of troubleshooting is one method to shorten diagnostic time. ...

Inspection procedure
Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...