Toyota Corolla (E120): Circuit description

The d squib circuit consists of the airbag sensor assy center, spiral cable sub–assy and horn button assy.

It causes the srs to deploy when the srs deployment conditions are satisfied.

Dtc b1180/17 is recorded when a short is detected in the d squib circuit (2nd step).

Wiring diagram

Wiring diagram

Inspection procedure

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    Inspection procedure
    1 Check fuse(ecu–ig) Remove the ecu–ig fuse from the instrument panel j/b.  check the continuity of the ecu–ig fuse. Ok: continuity 2 Inspect terminal voltage(b) Remove the cruise control ecu assy with connector still connected.  turn the ignition switch ...

    Inspection procedure
    1 Input signal check See the input signal check on page 05–745.  check the indicator light when the clutch pedal is depressed. Ok: the indicator light goes off when the clutch pedal is depressed. 2 Inspect terminal voltage(d) Turn the ignition switch to on. &n ...

    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 ...