System Diagram

System Description
OUTLINE
BCM has the signal transmission function that outputs/transmits each input/received signal to each unit.
Signal transmission function list
|
Signal name |
Input |
Output |
Description |
|
Engine switch (push switch) | IPDM E/R (CAN) | Inputs the push-button ignition switch (push switch) signal and transmits the ignition switch status judged with BCM via CAN communication |
| Door switch signal | Any door switch |
|
Inputs the door switch signal and transmits it via CAN communication |
| Trunk switch signal | Trunk room lamp switch | Combination meter (CAN) | Inputs the trunk room lamp switch signal and transmits the trunk switch signal via CAN communication |
| Oil pressure switch signal | IPDM E/R (CAN) | Combination meter (CAN) | Transmits the received oil pressure switch signal via CAN communication |
Combination switch reading system
Power consumption control systemNormal operating condition
Description
Symptom
Result
Slight vibrations are felt on the brake pedal and the operation
noises occur, when VDC, TCS or ABS is activated.
This is a normal condition
due to the VDC,
TCS or ABS activation.
Stopping distance is longer than that of v ...
P1572 ASCD brake switch
Description
When the brake pedal is depressed, ASCD brake switch is turned OFF and stop
lamp switch is turned ON.
ECM detects the state of the brake pedal by those two types of input (ON/OFF
signal).
Refer to EC-68, "System Diagram" for the ASCD function.
DTC Logic
DTC DETECTI ...
Subwoofer
Description
The AV control unit sends audio signals to the BOSE speaker amp. The BOSE
speaker amp. amplifies the
audio signals before sending them to the subwoofers using the audio signal
circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit, BOSE speaker amp. and subwo ...