Page text (OCR transcript)
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.
