Transfer: Motor-Shift Type (Transfer with Shift Actuator) 3C-41
DTC C1240: 4WD Control Module Power Supply Circuit Malfunction
S5JB0A3314050
Wiring Diagram
3 Center differential lock switch check
1) Check center differential lock switch referring to
“Transfer Assembly Inspection: Motor-Shift Type
(Transfer with Shift Actuator)”.
Is switch in good condition?
Substitute a known-
good 4WD control
module and recheck.
Replace center
differential lock switch.
4 Wire harness check
1) Disconnect connector from 4WD control module
connector “E91” with ignition switch OFF.
2) Check for proper connection to “E91-14” terminal of
4WD control module connector.
3) If OK, measure resistance between “RED/GRN” terminal
of center differential lock switch connector and “E91-14”
terminal of 4WD control module connector.
Is it 1 M
Ω
or more?
Substitute a known-
good 4WD control
module and recheck.
“RED/GRN” wire is
shorted to ground
circuit.
Step Action Yes No
5V
+BB
E91-12
E91-11
E91-10
E91-1
BLK
BLK
WHT
BLK/WHT
2
4
6
3
5
7
1
1
2
3
45
6
7
891011
12
13
14
1516
1718
19
20
21
22
23
24
25
26
[A]
BLK
I5JB0A332019-01
[A]: 4WD control module connector “E91” (viewed from harness side) 4. “4WD” fuse
1. 4WD control module 5. Shift switch (for A/T model) or CPP switch (for M/T model)
2. “IG COIL” fuse 6. Main fuse box
3. Ignition switch 7. Starting motor