Precaution On Can Troubleshooting - Suzuki 2006 SX4 Service Manual

Precaution on CAN Troubleshooting

CAN schematic and routing diagram
5
6
7
No. Part Name
1. ABS control module
2. ECM
3. TCM
4. BCM
5. Keyless start control module
6. 4WD control module
7. Combination meter
8. CAN junction connector
9. DLC
Outline of troubleshooting
When there is a trouble with CAN, perform "Troubleshooting for Communication Error with Scan Tool Using CAN" and/
or "Troubleshooting for CAN-DTC". Not using this procedure or performing troubleshooting in any other way may skip
some check points resulting in misdiagnosis or take a longer time than necessary.
1) Checking connector related to CAN
2) Checking CAN line
3) Checking each control module/sensor using "DTC check" or "Bus Check"
4) Checking power and ground connection of each control module/sensor
[A]: CAN high line (RED)
Communication with scan tool
K-line
CAN
CAN
K-line
Not available
K-line
Not available
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Engine General Information and Diagnosis:
8
9
[B]: CAN low line (WHT)
1
2
3
4
: [A]
: [B]
: [C]
[C]: K-line
Monitor of CAN-DTC
Not available
Available
Available
Available
Available
Available
Not available
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1A-3
S6RW0C1100008
I6RW0C110002-03