Toyota Corolla (E120): Circuit description

Dtc output mode is set by connecting between tc and cg of the dlc3.

The dtcs are displayed by blinking the srs warning light.

Wiring diagram

Hint:

Hint

: when each warning light stays blinking, ground short in the wiring until the terminal tc of the dlc3 or internal ground short in each ecu is suspected.

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    Inspection procedure
    1 Check harness and connector(transmission control switch – body ground) Disconnect the transmission control switch connector of shift lever assy. measure the resistance according to the value(s) in the table below. Standard: 2 Inspect transmission control switch M ...

    Wireless remote control/electronic key battery
    Replace the battery with a new one if it is depleted. You will need the following items: ● Flathead screwdriver ● Small flathead screwdriver ● Lithium battery CR2016 (vehicles without a smart key system), or CR2032 (vehicles with a smart key system) Replacing the battery &# ...

    Problem symptoms table
    If a normal code is displayed during the dtc check but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page. Notice: when replacing skid control ecu, sensor or etc., Turn the ignition swi ...