CONFIGURATION (BCM): Description
Vehicle specification needs to be written with CONSULT because it is not written after replacing BCM. Configuration has three functions as follows
| Function | Description |
|---|---|
| "Before Replace ECU" | Reads the vehicle configuration of current BCM. Saves the read vehicle configuration. |
| "After Replace ECU" | Writes the vehicle configuration with manual selection. |
| "Select Saved Data List" | Writes the vehicle configuration with saved data. |
| CAUTION | When replacing BCM, you must perform "Select Saved Data List" or "After Replace ECU" with CONSULT. Complete the procedure of "Select Saved Data List" or "After Replace ECU" in order. If you set incorrect "Select Saved Data List" or "After Replace ECU", incidents might occur. Configuration is different for each vehicle model. Confirm configuration of each vehicle model. Never perform "Select Saved Data List" or "After Replace ECU" except for new BCM. |
Operation Example
In the following operation example, the combination of the status signals of the combination switch is replaced as follows: INPUT 1 - 5 to "1 - 5" and OUTPUT 1 - 5 to "A - E".
Example 1: When a switch (TAIL LAMP) is turned ON
Scheme 111
- The circuit between OUTPUT 4 and INPUT 5 is formed when the TAIL LAMP switch is turned ON.
- BCM detects the combination switch status signal "5D" when the signal of OUTPUT 4 is input to INPUT 5.
- BCM judges that the TAIL LAMP switch is ON when the signal "5D" is detected.
Example 2: When some switches (TURN RH, TAIL LAMP) are turned ON
Scheme 112
- The circuits between OUTPUT 1 and INPUT 5 and between OUTPUT 4 and INPUT 5 are formed when the TURN RH switch and TAIL LAMP switch are turned ON.
- BCM detects the combination switch status signal "5AD" when the signals of OUTPUT 1 and OUTPUT 4 are input to INPUT 5.
- BCM judges that the TURN RH switch and TAIL LAMP switch are ON when the signal "5AD" is detected.
WIPER INTERMITTENT DIAL POSITION SETTING (FRONT WIPER INTERMITTENT OPERATION)
BCM judges the wiper intermittent dial 1 - 7 by the status of INT VOLUME 1, 2, and 3 switches.
| Wiper intermittent dial position | Intermittent operation delay interval | INT VOLUME switch ON/OFF status | ||
|---|---|---|---|---|
| INT VOLUME 1 switch | INT VOLUME 2 switch | INT VOLUME 3 switch | ||
| 1 | Short ↑ ↓ Long | ON | ON | ON |
| 2 | ON | ON | OFF | |
| 3 | ON | OFF | OFF | |
| 4 | OFF | OFF | OFF | |
| 5 | OFF | OFF | ON | |
| 6 | OFF | ON | ON | |
| 7 | OFF | ON | OFF | |
Scheme 113
Wake-up operation
- BCM changes from the low power consumption mode to the CAN communication sleep mode when the any of the BCM wake-up conditions is fulfilled. Only the control with BCM is activated.
- BCM transmits the sleep wake up signal (wake up) to each unit when any of the CAN wake-up conditions is fulfilled. It changes from the low power consumption mode or the CAN communication sleep mode to the normal mode.
- Each unit starts the transmission of CAN communication with the sleep wake up signal. In addition, the combination meter transmits the wake up signal to BCM via CAN communication to report the CAN communication start.
| BCM wake-up condition | CAN wake-up condition |
|---|---|
| Door unlock sensor: OFF-->ON, ON-->OFF Door lock lock assembly LH (key cylinder switch): Lock or unlock Door lock switch: OFF-->ON Door unlock switch: OFF-->ON Trunk lid opener switch: OFF-->ON Power window serial link communication: Receiving Remote keyless entry receiver: Receiving valid keyfob | Receiving the sleep-ready signal (Not-ready) from any units Key slot: OFF-->ON, ON-->OFF Push-button ignition switch (push switch): OFF-->ON Hazard switch: OFF-->ON PASSING switch: OFF-->ON, ON-->OFF TAIL LAMP switch: OFF-->ON Driver door switch: OFF-->ON, ON-->OFF Passenger door switch: OFF --> ON, ON --> OFF Trunk room lamp switch: OFF-->ON, ON-->OFF Driver door request switch: OFF-->ON Passenger door request switch: OFF-->ON Trunk request switch: OFF-->ON Stop lamp switch 2 signal: ON Remote keyless entry receiver: Receiving valid keyfob |
WAKE-UP CONDITION
Scheme 114
ECU IDENTIFICATION
The BCM part number is displayed.
Description
Refer to " SYSTEM DESCRIPTION ".
U0415 is displayed if any unusual condition is present in the reception status of the vehicle speed signal from the ABS actuator and electric unit (control unit).