Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Diagnosis circuit / Circuit description
Toyota Corolla (E120): Circuit description
This circuit sends a signal to the cruise control ecu assy that dtc output is required.
Wiring diagram
Other materials:
Warning lights
Warning lights inform the driver of malfunctions in the indicated vehicle’s systems.
*1: Vehicles without a smart key system:
These lights turn on when the engine switch is turned to the “ON” position to indicate
that a system check is being performed. They will turn off after the engi ...
Starting & charging
Preparation
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Recomended tools
Equipment
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System description
The ecm uses signals from the vehicle speed sensor and crankshaft position
sensor to detect the actual
gear position (1st, 2nd, 3rd or o/d gear).
Then the ecm compares the actual gear with the shift schedule in the ecm memory
to detect the mechanical
trouble of the shift solenoid valves, th ...