Toyota Corolla (E120): Electronically controlled transmission communication circuit

Inspection procedure

Circuit description

Other materials:

Precaution
1. Do not handle refrigerant in an enclosed area or near an open flame 2. Always wear eye protection 3. Be careful not to get liquid refrigerant in your eyes or on your skin If liquid refrigerant gets in your eyes or on your skin.  wash the area with lots of cool water. Cautio ...

Inspection procedure
1 Prepare for inspection Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  remove the horn button assy .  disconnect the connector of the instrument panel passenger airbag assy .  disconnect the connector of the front sea ...

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 ...