Toyota Corolla (E120): Circuit description

If the ignition switch is turned to the on position, battery positive voltage is applied to the switches, such as terminal ig of the ecu.

Wiring diagram

Inspection procedure

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    Problem symptoms table
    Hint: proceed with troubleshooting of each circuit in the table below. Symptom Suspect area When the ignition switch is in the on position, the srs warning light sometimes comes on after approximately 6 seconds.  Srs warning light ci ...

    Precaution
    Caution: replace the faulty parts of the seat belt systems (outer belt, inner belt, bolts, nuts, adjustable shoulder anchor, tether anchor hardware, sill–bar, etc.). Seat belt systems not in use at the time of a collision should also be inspected and replaced if found to be damaged or wo ...

    Front differential oil seal
    Replacement 1. Drain manual transaxle oil torque: 39.2 Nvm (400 Kgf·cm, 29 ft·lbf) 2. Remove front wheels 3. Remove engine under cover lh 4. Remove engine under cover rh 5. Drain transaxle oil 6. Remove front drive shaft assy lh  sst 09520–01010, 09520–24010 (09520–32040) 7. R ...