A L L Diagnostic Trouble Codes ( DTC ): C Code Charts
C1244
ABS (Antilock Brake System)
CIRCUIT DESCRIPTION
The ABS & TRAC ECU receives engine speed signals (NE signals) from the ECM.
DETECTING CONDITIONS
WIRING DIAGRAM
2000 Lexus ES 300 V6-3.0L (1MZ-FE) Copyright ? 2013, ALLDATA 10.52SS Page 2
INSPECTION PROCEDURE
ABS W/Traction Control (TRAC)
CIRCUIT DESCRIPTION
The ABS & TRAC ECU receives engine speed signals (NE signals) from the ECM.
DETECTING CONDITIONS
2000 Lexus ES 300 V6-3.0L (1MZ-FE) Copyright ? 2013, ALLDATA 10.52SS Page 3
WIRING DIAGRAM
2000 Lexus ES 300 V6-3.0L (1MZ-FE) Copyright ? 2013, ALLDATA 10.52SS Page 4
INSPECTION PROCEDURE
ABS W/Vehicle Skid Control (VSC)
CIRCUIT DESCRIPTION
This sensor detects deceleration on the vehicle. The sensor signal is used in ABS & BA & TRAC & VSC control. If the sensor functions abnormally,
the ABS warning light comes on.
DETECTING CONDITIONS
Fail safe function:
2000 Lexus ES 300 V6-3.0L (1MZ-FE) Copyright ? 2013, ALLDATA 10.52SS Page 5
If any trouble occurs in the deceleration sensor circuit, the ECU cuts off current to the ABS solenoid relay and prohibits ABS & BA & TRAC &
VSC controls and the brake system becomes normal.
WIRING DIAGRAM
INSPECTION PROCEDURE
