Suzuki Grand Vitara JB416 / JB420 / JB419. Manual — part 251
3C-35 Transfer: Motor-Shift Type (Transfer with Shift Actuator)
DTC C1224 / C1236: Transfer Shift Actuator Motor Position Switch 1 Circuit Short / Transfer Shift
Actuator Motor Position Switch 2 Circuit Short
S6JB0A3314017
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 10 seconds. Similarly select transfer switch to “4H-
lock”, “N” and “4L-lock” position.
3) Check DTC.
5V
12V
E91-2
5V
YEL
RED/BLK
BLU
M
E91-3
E91-25
E91-26
RED
E91-24
BLK/YEL
1
2
3
C54-1
C54-4
C54-2
C54-3
C54-5
4
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]
1
2
3
4
5
6
[B]
I5JB0A332017-01
[A]: 4WD control module connector “E91” (viewed from harness side)
2. Transfer shift actuator motor position switch
[B]: Transfer shift actuator connector “C54” (engine harness side) (viewed from harness side)
3. Transfer shift actuator motor
1. Transfer shift actuator
4. 4WD control module
DTC detecting condition
Trouble area
Transfer shift actuator motor position switch signal voltage 0.6 V
or less.
• Transfer shift actuator motor position switch
• Transfer shift actuator motor position switch
circuit
• 4WD control module
Transfer: Motor-Shift Type (Transfer with Shift Actuator) 3C-36
Troubleshooting
Step
Action
Yes
No
1
Was “4WD control system check” performed?
Go to Step 2.
Go to “4WD Control
System Check: Motor-
Shift Type (Transfer with
Shift Actuator)”.
2
Transfer shift actuator motor position switch circuit
check
1) Disconnect transfer shift actuator connector “C54” with
ignition switch OFF.
2) Check for proper connection to “C54-2”, “C54-3” and
“C54-5” terminals of transfer shift actuator connector.
3) If connection is OK, measure voltage between “G54-2”,
“G54-3” or “G54-5” terminal of transfer switch connector
and vehicle body ground with ignition switch ON.
Is it approx. 5 V?
Go to Step 3.
Go to Step 4.
3
Transfer shift actuator position switch check
1) Check transfer shift actuator position switch referring to
“Transfer Assembly Inspection: Motor-Shift Type
(Transfer with Shift Actuator)”.
Is actuator in good condition?
Substitute a known-
good 4WD control
module and recheck.
Faulty actuator position
switch. Replace transfer
shift actuator.
4
Wire harness check
1) Disconnect connector from 4WD control module
connector “E91” with ignition switch OFF.
2) Check for shorted to ground in related circuits.
• Between “C54-2” terminal of transfer shift actuator
connector and “E91-25” terminal of 4WD control
module connector
• Between “C54-3” terminal of transfer shift actuator
connector and “E91-26” terminal of 4WD control
module connector
• Between “C54-5” terminal of transfer shift actuator
connector and “E91-24” terminal of 4WD control
module connector
Are they in good condition?
Substitute a known-
good 4WD control
module and recheck.
Repair circuit.
3C-37 Transfer: Motor-Shift Type (Transfer with Shift Actuator)
DTC C1227: 4L/N Switch Circuit Open
S6JB0A3314018
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.
Troubleshooting
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 ON signal is not input from the 4L/N switch.
• 4L/N switch
• 4L/N switch circuit
• 4WD control module
Step
Action
Yes
No
1
Was “4WD control system check” performed?
Go to Step 2.
Go to “4WD Control
System Check: Motor-
Shift Type (Transfer with
Shift Actuator)”.
2
4L/N switch circuit check
1) Disconnect 4L/N switch connector with ignition switch
OFF.
2) Check for proper connection to terminal of 4L/N switch
connector.
3) If connection is OK, measure voltage between “PNK/
WHT” terminal of 4L/N switch connector and vehicle
body ground with ignition switch ON.
Is it 10 – 14 V?
Go to Step 3.
Go to Step 4.
Transfer: Motor-Shift Type (Transfer with Shift Actuator) 3C-38
DTC C1228: 4L/N Switch Circuit Short
S6JB0A3314019
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
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