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Home >> Lexus >> 2004 >> RX 330 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 365 (Brakes - Abs With EBD & BA & TRAC & VSC (Diagnostics)) >> Abs With EBD & BA & TRAC & VSC System >> DTC C0278/11, C0279/12: Open/Short Circuit In Abs Solenoid Relay Circuit >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.

This relay supplies power to each ABS solenoid. After the ignition switch is turned ON, if the initial check is OK, the relay goes on.

DTC DETECTING CONDITION

DTC No. DTC Detecting Condition Trouble Area
C0278/11
  • With IG terminal voltage at 9.5 to 17.2 V, when solenoid relay is turned on, relay contact is "OFF" for 0.2 sec. or more.
  • ABS & Traction actuator assy
C0279/12 Immediately after IG1 is turned ON, when solenoid relay is turned OFF, relay contact is "ON" for 0.2 sec. or more.
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