Toyota AVENSIS 2000 Supplement Manual page 320

DTC C0273 / 13
CIRCUIT DESCRIPTION
The ABS motor relay supplies power to the ABS pump motor. When the ABS is activated, the ECU switches
the ABS motor relay ON and operates the ABS pump motor.
DTC No.
When any of the following 1. through 2. is detected:
1. Pump motor voltage is high, and the motor relay will not
actuate .
C0273/13 2. Pump motor voltage remains low for longer 0.4 sec. or
more and the pump repeats activating for 0.7 sec. 3
times maximally. After the last activation, the pump mo-
tor is deactivated gone dead because of short circuit.
INSPECTION PROCEDURE
1 Check the DTC once more.
PREPARATION:
(a) Clear the DTC (See page DI–171).
(b) Turn the ignition switch OFF.
(c) Turn the ignition switch ON.
CHECK:
Vehicle speed is more than 6 km/h (4 mph), and check if the same DTC is stored in the memory.
YES
Check and replace ABS & BA & TRC & VSC
ECU with actuator assembly.
AVENSIS/CORONA SUP (RM781E)
DIAGNOSTICS
ABS Motor Relay Circuit
DTC Detecting Condition
NO
– ABS WITH EBD & BA & TRC & VSC SYSTEM
S ABS motor relay
S ABS motor relay circuit
No problem.
Trouble Area
DI–189
DI7ZK–01