Dtc C1243: Internal Circuit Malfunction Of 4Wd Control Module - Suzuki 2006 SX4 Service Manual

Step
3 Ground circuit check
1) Turn ignition switch to OFF position.
2) Check for proper connection to "G26-10" terminal of
4WD control module connector.
3) If OK, measure resistance between "G26-10" terminal of
4WD control module connector and vehicle body
ground.
Ω
If resistance 1 or less?

DTC C1243: Internal Circuit Malfunction of 4WD Control Module

DTC Detecting Condition and Trouble Area
DTC detecting condition
Internal power supply malfunction of 4WD control module
DTC Confirmation Procedure
1) Clear DTC using scan tool.
2) Start engine and run it for 10 seconds. or more.
3) Stop vehicle and check DTC.
Troubleshooting
Substitute a known-good 4WD control module and recheck.
Action Yes
Substitute a known-
good 4WD control
module and recheck.
Trouble area
4WD control module
Differential: 3B-18
No
Repair ground circuit.
S6RW0D3204016