Dtc C1228: 4L/N Switch Circuit Short - Suzuki GRAND VITARA Owner's Manual

Step
3 4L/N switch check
1) Check 4L/N switch referring to "Transfer Assembly
Inspection: Motor-Shift Type (Transfer with Shift
Actuator)".
Is switch in good condition?
4 Wire harness check
1) Disconnect connector from 4WD control module
connector "E91" with ignition switch OFF.
2) Check for proper connection to "E91-13" terminal of
4WD control module connector.
3) If OK, measure resistance between "PNK/WHT" terminal
of 4L/N switch connector and "E91-13" terminal of 4WD
control module connector.
Ω
Is it 1 or less?

DTC C1228: 4L/N Switch Circuit Short

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 "4L-lock"
position, the OFF signal is not input from the 4L/N switch.
DTC Confirmation Procedure
1) Clear DTC using scan tool.
2) Select transfer switch to "4L-lock" position and keep its position for 1 min.
3) Check DTC.
Transfer: Motor-Shift Type (Transfer with Shift Actuator) 3C-35
Action
1
12V
E91-13
E91-14
[A]
11 10 9 8
12 7
26 25 24 23 22 21 20
Yes
Substitute a known-
good 4WD control
module and recheck.
Substitute a known-
good 4WD control
module and recheck.
2
IG
3
PNK/WHT
4
RED/GRN
3
6 5 4 2 1
19 18 17 16 15 14 13
I5JB0A332018-01
3. 4L/N switch
4. Center differential lock switch
• 4L/N switch
• 4L/N switch circuit
• 4WD control module
No
Replace 4L/N switch.
"PNK/WHT" wire is
open or high resistance.
S5JB0A3314046
Trouble area