3 CHECK WHEEL SENSOR CIRCUIT
1. Disconnect control unit connector.
2. Check resistance between control unit connector terminals.
Code No. 21 or 22 (Front RH wheel)
Terminals 4 and 5
Code No. 25 or 26 (Front LH wheel)
Terminals 6 and 7
Resistance: 1.44 - 1.76 kΩ
Code No. 31 or 32 (Rear RH wheel)
Terminals 1 and 3
Code No. 35 or 36 (Rear LH wheel)
Terminals 8 and 9
Resistance: 1.05 - 1.35 kΩ
SBR477EC
Is resistance 1.44 - 1.76 kΩ(FR) or 1.05 - 1.35 kΩ(RR)?
Ye s©GO TO 5.
No©GO TO 4.
4 CHECK WHEEL SENSOR
Check resistance of each sensor. (See NOTE.)
Resistance: 1.44 - 1.76 kΩ(FR)
Resistance: 1.05 - 1.35 kΩ(RR)
NBR378
Is resistance 1.44 - 1.76 kΩ(FR) or 1.05 - 1.35 kΩ(RR)?
Ye s©Repair harness and connectors between control unit connector and wheel sensor con-
nector.
No©Replace wheel sensor.
5 CHECK TIRE
Check for inflation pressure, wear and size of each tire.
Are tire pressure and size correct and is tire wear within specifications?
Ye s©GO TO 6.
No©Adjust tire pressure or replace tire(s).
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMSABS
Wheel Sensor or Rotor (Cont’d)
BR-72
