Diagnostic Connector - ABS: Description and Operation

Tc Terminal Circuit
Connecting terminals Tc and E1 of the DLC1 causes the ECU to display the DTC by flashing the ABS warning light.

Ts Terminal Circuit
The sensor check circuit detects abnormalities in the speed sensor signal which cannot be detected with the DTC check.

Connecting terminals Ts and E1 of the DLC1 in the engine compartment starts the check.