Suzuki 2006 SX4, Service Manual

Page: 455 / 1478

Differential: 3B-17
DTC C1240: 4WD Control Module Power Supply Circuit Malfunction
S6RW0C3204014
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Clear DTC using scan tool.
2) Turn ignition switch to ON position for 10 seconds.
3) Check DTC.
Troubleshooting
[A]: 4WD control module connector “G26” (viewed from harness side) 3. “4WD” fuse
1. 4WD control module 4. Main fuse box
2. “IG COIL” fuse
DTC detecting condition Trouble area
4WD control module power supply voltage is out of specification. • 4WD control module power supply circuit
5V
5V
G26-12
G26-11
G26-10 BLK
WHT/RED
RED/BLK
1
2
3
4
YEL
1
2 3 4 5
6
7 8 9 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24 25 26
[A]
I7RW01320005-01
Step Action Yes No
1 Was “4WD control system check” performed? Go to Step 2. Go to “4WD Control
System Check”.
2 4WD control module power circuit check
1) Disconnect 4WD control module connector with ignition
switch OFF.
2) Check for proper connection to “G26” terminal of 4WD
control module connector.
3) If connection is OK, measure voltage between “G26-11”
terminal of 4WD control module connector and vehicle
body ground with ignition switch ON.
Is it 10 – 14 V?
Go to Step 3. “4WD” fuse blown,
“WHT/RED” or “YEL”
wire is circuit open or
circuit short.