BR–140 BRAKE SYSTEM – TRACTION CONTROL SYSTEM (TRAC) INSPECTION PROCEDURE HINT: If the same code is output from the ABS warning light, troubleshoot the ABS first. 1 Check for open and short in harness and connector between terminals FRO, FLO, RRO, RLO of ABS & TRAC ECU and TRAC ECU (See page IN–30). OK NG Repair or replace harness or connector. 2 Check speed sensor. Front Front P 1. Remove front fender splash shield. 2. Disconnect speed sensor connector. C Measure resistance between terminals 1 and 2 of speed sensor connector. OK Resistance: 0.7 – 1.7 k C Measure resistance between terminals 1 and 2 of speed sensor connector and body ground. OK Resistance: 1 M or higher Rear Rear P 1. Remove rear seat cushion, seat back and quarter trim panel. 2. Disconnect speed sensor connector. C Measure resistance between terminals 1 and 2 of speed sensor connector. OK Resistance: 0.7 – 1.7 k C Measure resistance between terminals 1 and 2 of speed sensor connector and body ground. OK Resistance: 1 M or higher BR5425 R07086 OK NG Replace speed sensor. NOTICE: Check the speed sensor signal last (See page BR–62). 3 Check for open and short in harness and connector between each speed sensor and ECU (See page IN–30). OK NG Repair and replace harness or connector.