Suzuki 2006 SX4, Service Manual

Page: 170 / 1478

1A-126 Engine General Information and Diagnosis:
Troubleshooting
Step Action Yes No
1 DTC Check
1) Turn ignition switch to OFF position.
2) Connect scan tool to DLC.
3) Check DTC in the following control modules.
• ECM
• TCM
• BCM
• Keyless start control module
• 4WD control module
Is there any DTC other than CAN-DTC?
Go to applicable
troubleshooting of DTC
other than CAN-DTC. Go to Step 2.
2 Control module connector check
1) Turn ignition switch to OFF position.
2) Be sure to disconnect scan tool from DLC.
3) Disconnect all the following control module connectors.
• Control modules communicated by CAN
– ECM
– TCM
– ABS control module
– BCM
– Combination meter
– Keyless start control module
– 4WD control module
4) Check for proper connection to terminal of each CAN
line of all control module (communicated by CAN)
connectors.
5) If OK, connect all connectors of control module
communicated by CAN securely.
6) Recheck DTC for all control modules communicated by
CAN.
Is there any CAN-DTC?
Go to Step 3. Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section
00”.