BR–134 BRAKE SYSTEM – TRACTION CONTROL SYSTEM (TRAC) CIRCUIT INSPECTION DTC 24 TRAC Sub–Throttle Actuator Circuit CIRCUIT DESCRIPTION The sub–throttle actuator operates in accordance with signals from the ECU, controlling the opening and closing of the sub–throttle valve. DTC No. | Diagnostic Trouble Code Detecting Condition | Trouble area 24 | Open or short in sub–throttle actuator circuit. | • TRAC fuse • Open or short in BM circuit. • Sub–throttle actuator. • Open or short in sub–throttle actuator circuit. • ECU WIRING DIAGRAM TRAC ECU Battery R/B No.2 L-Y 3 L-Y 13 BM IBS T9 TRAC Sub-Throttle Actuator BR 8 ACM T10 A Sub–Throttle Valve 5 4 G T10 A 6 W 4 T10 A 1 R 11 T10 B 3 L 10 T10 B 2 Y 12 BCM T10 N07197