Dtc C1237: Center Differential Lock Switch Circuit Open - Suzuki GRAND VITARA JB416 Service Manual

DTC C1237: Center Differential Lock Switch Circuit Open

Wiring Diagram
[A]: 4WD control module connector "E91" (viewed from harness side)
1. 4WD control module
2. TCM
DTC Detecting Condition and Trouble Area
DTC detecting condition
Though transfer shift actuator motor position switch is "4H"
position, the ON signal is not input from the center differential
lock switch.
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.
Transfer: Motor-Shift Type (Transfer with Shift Actuator) 3C-40
1
12V
E91-13
E91-14
[A]
11 10 9 8
12 7
26 25 23 22 21 20
24
2
IG
3
PNK/WHT
4
RED/GRN
3
6 5 4 2 1
19 16 15 13
18 17 14
I5JB0A332018-01
3. 4L/N switch
4. Center differential lock switch
• Center differential lock switch
• Center differential lock switch circuit
• 4WD control module
S5JB0E3314021
Trouble area