BAT/Brakes, ABS & TRAC Systems — Dtc 11 12 ABS Solenoid Relay Circuit, page 65

CIRCUIT INSPECTION

DTC 11 12 ABS Solenoid Relay Circuit

CIRCUIT DESCRIPTION

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 No. | Diagnostic Trouble Code Detecting Condition | Trouble area

11
Conditions (1) and (2) continue for 0.2 sec. or more:
(1) ABS solenoid relay terminal (SR)
    voltage: Battery positive voltage
(2) Solenoid relay monitor terminal (AST)
    voltage: O V
ABS solenoid relay
Open or short in ABS solenoid relay circuit
ECU

12
Conditions (1) and (2) continue for 0.2 sec. or more:
(1) ABS solenoid relay terminal (SR)
    voltage: O V
(2) Solenoid relay monitor terminal (AST)
    voltage: Battery positive voltage
ABS solenoid relay
B+ short in ABS solenoid relay circuit
ECU

Fail safe function: If trouble occurs in the solenoid relay circuit, the ECU cuts off current to the solenoid relay and prohibits ABS control.