Toyota Corolla (E120): Engine mechanical

Emission control

Cooling

Other materials:

Body rocker panel moulding lh
Replacement Hint: use the same procedures for the rh side and lh side. 1. Remove body rocker panel moulding lh Remove the 8 retainers.  using a screwdriver, remove the moulding. Hint: tape the screwdriver tip before use.  remove the 7 clips from the moulding. 2. Insta ...

Inspection procedure
1 Inspect dlc3 terminal voltage(tc terminal) Turn the ignition switch to on.  measure voltage between terminals tc and cg of dlc3. Ok: voltage: 10 – 14 v 2 Check harness and connector(dlc3 – body ground) Check for open and short circuit in harness and connector betw ...

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 ...