C0278 · blink 11 – Open in ABS Solenoid Relay Circuit

System

ABS with BA & EBD

Dashboard light

ABS warning

Check-engine blink code

11

Applies to

All E120 with ABS (BA & EBD)

Description

Open in ABS Solenoid Relay Circuit

Detection / symptoms

Detection: When solenoid relay is turned ON, relay contact is OFF for 0.2 sec. or longer. Immediately after IG1 is turned ON, when solenoid relay is turned OFF, relay contact is ON for 0.2 sec. or longer.

Possible causes

ABS solenoid relay; ABS solenoid relay circuit

What to check

See RM page (inspection steps not parsed)

Confidence

high (official Toyota RM821E)

From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights

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