Toyota Corolla (E120): Circuit description

The srs warning light is located on the combination meter.

When the srs is normal, the srs warning light lights up for approx. 6 Seconds after the ignition switch is turned from the lock position to on position, and then turns off automatically.

If there is a malfunction in the srs, the srs warning light lights up to inform the driver of the abnormality.

When terminals tc and cg of the dlc3 are connected, the dtc is displayed by blinking the srs warning light.

Wiring diagram

Inspection procedure

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    Inspection
    1. Intake air flow meter sub–assy Inspect the intake air flow meter resistance.  Using an ohmmeter, measure the resistance between terminals tha and e2. Resistance: at –20 c (–4 f) 13.6 To 18.4 KΩ at 20 c (68 f) 2.21 To 2.69 KΩ at 60 c (140 f) 0.49 To 0.67 ...

    Display and menu icons
    ■ Display Driving support system status display area Displays an image when the following systems are operating and a menu icon other than is selected: LTA (Lane Tracing Assist) LDA (Lane Departure Alert) Dynamic radar cruise control RSA (Road Sign Assist) (if equipped) Content disp ...

    Dynamic radar cruise control
    This dynamic radar cruise control detects the presence of vehicles ahead, determines the current vehicle- to-vehicle distance, and operates to maintain a suitable distance from the vehicle ahead. The desired vehicle-to-vehicle distance can be set by operating the vehicle-to-vehicle distance switch. ...