Toyota Corolla (E120): Circuit description

The side airbag sensor assy (rh) circuit consists of the diagnosis circuit and lateral deceleration sensor, etc.

It receives signals from the lateral deceleration sensor, judges whether or not the srs must be activated, and detects diagnosis system malfunction.

Dtc b1140/32 is recorded when occurrence of a malfunction in the side airbag sensor assy (rh) is detected.

Wiring diagram

Wiring diagram

Inspection procedure

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    Inspection procedure
    1 Check p/t squib(lh) circuit(airbag sensor assy center – front seat outer belt assy lh) 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 ...

    Replacement
    1. Remove instrument panel sub–assy lower 2. Remove clutch pedal spring 3. Remove clutch master cylinder push rod clevis w/hole pin Remove the clip and hole pin. 4. Remove clutch pedal support sub–assy W/ cruise control: disconnect the clutch switch assy connector. &nbs ...

    Inspection
    1. Thermostat Hint: the thermostat is numbered with the valve opening temperature. Immerse the thermostat in water and gradually heat the water.  check the valve opening temperature. Valve opening temperature: 80 to 84 c (176 to 183 f) Hint: if the valve opening temperatur ...