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Home >> Lexus >> 2008 >> LX 570 >> Repair and Diagnosis (Single Page) >> Brakes >> Brakes Control Systems >> Brake Control / Dynamic Control Systems >> Vehicle Stability Control System >> DTC C0278/11 Open or Short Circuit in ABS Solenoid Relay Circuit; DTC C0279/12 Short to B+ in ABS Solenoid Relay Circuit >> Description

DTC C0278/11 Open or Short Circuit in ABS Solenoid Relay Circuit; DTC C0279/12 Short to B+ in ABS Solenoid Relay Circuit: Description

The solenoid relay is built into the master cylinder solenoid.

This relay supplies power to each solenoid. If the initial check is OK, after the engine switch is turned on (IG), the relay turns on.

DTC DETECTION CONDITION AND TROUBLE AREA

DTC Code DTC Detection Condition Trouble Area
C0278/11 When either of the following conditions is detected:
  1. Both of the following conditions continue for at least 0.2 seconds.
    1. IG voltage is between 9.5 V and 17 V.
    2. The relay contact is open when the relay is on.
  2. Both of the following conditions continue for at least 0.2 seconds.
    1. IG voltage is 9.5 V or less when the relay is on.
    2. The relay contact remains open.
  • ABS2 fuse
  • Solenoid relay
  • Harness or connector
  • Master cylinder solenoid (Skid control ECU)
C0279/12 The following condition continues for at least 0.2 seconds.
  • The relay contact is closed immediately after turning the engine switch on (IG) when the relay is off.
  • ABS2 fuse
  • Solenoid relay
  • Harness or connector
  • Master cylinder solenoid (Skid control ECU)
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