Transfer: Motor-Shift Type (Transfer with Shift Actuator) 3C-40
DTC C1237: Center Differential Lock Switch Circuit Open
S5JB0E3314021
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Clear DTC using scan tool.
2) Select transfer switch to “4H” position and keep its position for 1 min.
3) Check DTC.
IG
E91-13
E91-14
RED/GRN
PNK/WHT
2
3
4
12V
1
1
2
3
45
6
7
891011
12
13
14
1516
1718
19
20
21
22
23
24
25
26
[A]
I5JB0A332018-01
[A]: 4WD control module connector “E91” (viewed from harness side) 3. 4L/N switch
1. 4WD control module 4. Center differential lock switch
2. TCM
DTC detecting condition Trouble area
Though transfer shift actuator motor position switch is “4H”
position, the ON signal is not input from the center differential
lock switch.
• Center differential lock switch
• Center differential lock switch circuit
• 4WD control module
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