BE–189 BODY ELECTRICAL SYSTEM – CRUISE CONTROL SYSTEM Parking Brake Switch Circuit CIRCUIT DESCRIPTION When the parking brake pedal is depressed, the parking brake switch sends a signal to the ECU. When this signal is input to the ECU during cruise control driving, the ECU cancels cruise control. WIRING DIAGRAM Daytime Running Light ECU Cruise Control ECU BR-W 8 18 B-W B-W B-W (CANADA) BR-W BR-W (USA) PKB R-W 1 (USA 2JZ-GTE) BR-W 3 BR-W (USA 2JZ-GE) BR-W 14 IB2 R-W (2JZ-GTE) 1 BR-W (2JZ-GE) 1 Parking Brake Switch Brake Fluid Level Warning Switch W-B 2 N12775 12 V