Suzuki GRAND VITARA JB416, Service Manual

Page: 153 / 474

Transfer: Motor-Shift Type (Transfer with Shift Actuator) 3C-36
DTC C1228: 4L/N Switch Circuit Short
S5JB0E3314019
Wiring Diagram
DTC Detecting Condition and Trouble Area
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.
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?
Substitute a known-
good 4WD control
module and recheck. Replace 4L/N switch.
4 Wire harness check
1) Disconnect connector from 4WD control module
connector “E91” with ignition switch OFF.
2) Check for proper connection to “E91-13” 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.
Is it 1
Ω
or less?
Substitute a known-
good 4WD control
module and recheck. “PNK/WHT” wire is
open or high resistance.
Step Action Yes No
IG
E91-13
E91-14
RED/GRN
PNK/WHT
2
3
4
12V
1
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]
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 “4L-lock”
position, the OFF signal is not input from the 4L/N switch. • 4L/N switch
• 4L/N switch circuit
• 4WD control module