ABS W/EBD System

DTC C0278 OPEN CIRCUIT IN ABS SOLENOID RELAY CIRCUIT

CIRCUIT DESCRIPTION

DTC Detecting Condition:

This solenoid relay supplies power to each ABS solenoid. If the ABS initial check is OK after the ignition switch is turned on (IG), the skid control ECU will turn the ABS solenoid relay on.

HINT: (Initial Check) If a speed signal of 4 mph (6 km/h) or more is input to the skid control ECU, with the ignition switch on and the stop light switch off, the ECU performs self diagnosis of the motor and solenoid circuits.

Wiring Diagram:

Step 1 - 2:

Step 3 - 4:

INSPECTION PROCEDURE

HINT: When C1241/41 is output together with C0278/11, inspect and repair the trouble areas indicated by C1241/41.