Toyota Corolla (E120): Ecu power source circuit

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Inspection procedure
1 Check security indicator light Set the system in 30 seconds after filliping the security indicator to check if the alarm is triggered. 2 Check glass breakage sensor ecu (glass breakage sensor) Check the continuity and voltage of the glass breakage sensor ecu, as shown in th ...

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 ...

Disposal
Hint: when scrapping vehicles epuipped with a seat belt pretensioner or disposing of a front seat outer belt (with seat belt pretensioner) always first active the seat belt pretensioner in accordance with the procedure described below. If any abnormality occurs in the seat belt pretensioner o ...