BR–102 BRAKE SYSTEM – ANTI–LOCK BRAKE SYSTEM (ABS) DTC 61 TRAC ECU Communication Circuit Malfunction CIRCUIT DESCRIPTION DTC No. | Diagnostic Trouble Code Detecting Condition | Trouble area 61 Either of the following (1) or (2) continues for more than 8 sec.: (1) Vehicle speed signal of 4 wheels is less than 1 km/h (1 mph) when TRCO signal is input. (2) Voltage of ABS & TRAC ECU terminal THFA is 0 V when TRCO signal is not input. Open or short in THFA, TRCO circuit ABS & TRAC ECU TRAC ECU WIRING DIAGRAM ABS & TRAC ECU THFA 7 P-G 22 THFA +12V TRCO 14 R-W 9 TRCO +12V TRAC ECU BR5413