Toyota Corolla (E120): Circuit description

The cruise control ecu assy power source supplies power to the actuator and sensors, etc., When terminal gnd and the case of the cruise control ecu assy are grounded.

Wiring diagram

Inspection procedure

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    Pre–check
    1. Diagnosis system Release the parking brake lever.  check the warning lights. When the ignition switch is turned on, check that the abs warning light and brake warning light goes on for 3 sec. Hint: when the parking brake is applied or the level of the brake fluid is low, the ...

    Inspection procedure
    1 Check side air bag sensor assy lh Sst 09843–18040 Connect the negative (–) terminal cable to the battery, and wait at least for 2 seconds.  turn the ignition switch to on, and wait at least for 20 seconds.  clear the dtc stored in memory .  turn the ignition swi ...

    Making a phone call
    To enter the “PHONE” mode, press the off-hook switch. ■ Making a phone call ● Dialing by selecting a name ● Speed dialing ● Dialing by entering the number ● Dialing from call histories ■ Receiving a phone call ● Answering the phone ● Refusi ...