Toyota Corolla (E120): Lighting

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Circuit description
In the diagram below, when the engine is cranked, current flows from terminal st2 of the ignition switch to the starter relay coil and also current flows to terminal sta of the ecm (sta signal). When the sta signal and ne signal are input to the ecm, tr is turned on, current flows to the c ...

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, th ...

Setting speed dials
1 Select “Add SD” using . 2 Select the desired data using . 3 Press and hold the desired preset button (from to ). For details about setting speed dials from the call history: For details about deleting speed dials: ...