Power Source Circuit
Power Source CircuitDESCRIPTION
This circuit supplies power source voltage from the battery to terminal B of the steering lock actuator.
The diagnosis information of the steering lock ECU is transmitted to the tester via the certification ECU as the steering lock ECU is not connected to the CAN communication system.
WIRING DIAGRAM:
INSPECTION PROCEDURE
HINT:
When the engine switch is off, the main body ECU may occasionally go into a non-active state called sleep mode. Therefore, before proceeding with the inspection, it is necessary to perform the following step to wake up the ECU:
With the engine switch off, open the driver door. Then (with the engine switch still off) open and close any door several times at 1.5 second intervals.
Step 1:
