Body Electrical Control System; Precautions; Precautions In Diagnosing Trouble; General Description - Suzuki GRAND VITARA 2005 Service Manual

Body Electrical Control System

Precautions in Diagnosing Trouble

• Diagnostic information stored in BCM memory can be cleared as well as checked by using SUZUKI scan tool.
Before using scan tool, read its Operator's (Instruction) Manual carefully to have good understanding as to what
functions are available and how to use it.
• Be sure to read "Precautions for Electrical Circuit Service: in Section 00 in related manual" before inspection and
observe what is written there.
• Communication of ECM, BCM, ABS or ESP® control module, 4WD control module (if equipped), steering angle
sensor (if equipped) and combination meter is established by CAN (Controller Area Network).
Therefore, be sure to read "Precaution for CAN Communication System: in Section 00 in related manual" before
inspection and handle CAN communication line.

CAN Communication for BCM

BCM communicates with each of ECM, ESP® control module (if equipped), 4WD control module (if equipped) and
combination meter about the following data. For details of CAN communication, refer to "CAN Communication System
Description: in Section 1A".
BCM Transmission Data
Transmit
BCM

Precautions

General Description

A/C switch ON signal
Brake fluid level switch signal
Parking brake switch signal
Seat belt buckle switch signal
Charging system signal
DATA
Engine oil pressure switch signal
Illumination ON signal
Lighting switch signal
DRL operation signal
Door switch status
Diagnostic trouble code (DTC)
Body Electrical Control System:
ESP
Control
Combination
ECM
Module
Meter
(if equipped)
10B-1
S5JB0BA200001
S5JB0BA201002
I5JB0BA20001-01