BR-131 BRAKE SYSTEM – TRACTION CONTROL SYSTEM (TRAC) Symbols (Terminal No.) STD Voltage (V) Conditions Tc – GND (A20-23) (A20-25) 10 – 14 IG switch ON Ts – GND (A20-11) (A20-25) 10 – 14 IG switch ON FR+ – FR– (A20-17) (A20-4) 10 – 14 IG switch ON Slowly turn right front wheel. FL+ – FL– (A20-5) (A20-18) AC generation IG switch ON Slowly turn left front wheel. RR+ – RR– (A21-2) (A21-10) AC generation IG switch ON Slowly turn right rear wheel. RL+ – RL– (A21-9) (A21-1) AC generation IG switch ON Slowly turn left rear wheel. FRO – GND (A21-13) (A22-4) Pulse generation IG switch ON Slowly turn right front wheel. FLO – GND (A21-15) (A22-4) Pulse generation IG switch ON Slowly turn left front wheel. RRO – GND (A21-6) (A22-4) Pulse generation IG switch ON Slowly turn right rear wheel. RLO – GND (A21-4) (A22-4) Pulse generation IG switch ON Slowly turn left rear wheel. GS 1 – GND (A20-8) (A20-25) 4 – 6 or 7 – 11 IG switch ON, Vehicle parked on a level surface GS 2 – GND (A20-20) (A20-25) 4 – 6 IG switch ON, Vehicle parked on a level surface EXO – GND (A21-12) (A22-4) 10 – 14 IG switch ON