PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following system(s) after the
PARTS LOCATION ILLUSTRATION
*1 FRONT AXLE HUB SUB-ASSEMBLY RH
- FRONT SPEED SENSOR ROTOR RH
*2 FRONT SPEED SENSOR RH
*3 FRONT AXLE HUB SUB-ASSEMBLY LH
- FRONT SPEE
SYSTEM DIAGRAM
Transmitting ECU (Transmitter)
Receiving ECU Signal
Communication Method
Skid control ECU (brake actuator assembly)
Steering angle sensor
TERMINALS OF ECU CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)
*a Front view of wire harness connector (to Skid Control ECU (Brake Actuator Assembly))
- -
(a) Disconnect the A34 skid control ECU (brake actuator assembly) connector.
(b) Measure the voltage and resistance
MONITOR DESCRIPTION The battery supplies electricity to the ECM even when the engine switch is off. This power allows the ECM to store data such as DTC history, freeze frame data and fuel trim values. If the battery voltage falls below a minimum level, the memory is cleared and the ECM determines th