Toyota Camry Manual page 1014

BR–328
CIRCUIT INSPECTION
DTC 11,13 ABS Solenoid and Motor Relay Circuit
CIRCUIT DESCRIPTION
The solenoid relay supplies power to each ABS solenoid. After the ignition switch is turned ON, if the
initial check is OK, the relay goes on. The motor relay supplies power to the ABS pump motor. While
the ABS is activated, the ECU switches the motor relay ON and operates the ABS pump motor.
Diagnostic Trouble Code Detecting Condition
DTC No.
(1) 5V is applied to the solenoid voltage monitor
(2) 5V is applied to the solenoid voltage monitor
(1) The motor voltage monitor terminal (MT) is
(2) The motor voltage monitor terminal (MT) is
Fail safe function: If trouble occurs in the control (solenoid) relay circuit, the ECU cuts off current to
the ABS solenoid relay and prohibits ABS control.
DIAGNOSTIC CHART
Check voltage of ABS ECU connector.
If the same code is still output after the diagnostic trouble code is deleted, check the contact condition
of each connection.
If the connections are normal, the ECU may be defective.
HINT: When DTC13 is output, check that the pump motor ground wire is installed correctly.
BRAKE SYSTEM
terminal (AST) for 30 sec. or more, with the
IG switch ON and the warning light on.
terminal (AST) for 0.02 sec. or more, after the
warning light goes off.
ON for 5 sec. or more, with the motor relay
operation signal OFF.
OFF for 0.04 sec. with the motor relay opera–
tion signal ON.
– ANTI–LOCK BRAKE SYSTEM (ABS)
Trouble area
Open or short in ABS solenoid relay circuit.
ECU.
Pump motor.
Open in ABS motor relay circuit.
ECU.
Check and repair harness or connector.