Toyota Corolla (E120): Actuator motor circuit

Problem symptoms table

Circuit description

Other materials:

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
1 Check p/t squib(rh) circuit(airbag sensor assy center – front seat outer belt assy rh) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the seat belt pretensio ...

Engine coolant
The coolant level is satisfactory if it is between the “F” and “L” lines on the reservoir when the engine is cold. 1 Reservoir cap 2 “F” line 3 “L” line If the level is on or below the “L” line, add coolant up to the “F” line. ■Coolant selection Only use “To ...