Suzuki Grand Vitara JB416 / JB420 / JB419. Service manual - part 248
3C-23 Transfer: Motor-Shift Type (Transfer with Shift Actuator)
NOTE
“O” in transfer position indicator column of the above table means indicator lights up when DTC is
detected.
Fail-Safe Table
S6JB0A3314008
This function is provided by the safe mechanism that assures safe drive ability even when the actuator, switch, sensor
or its circuit fails. The following table shows the fail safe function for each fail condition of sensor, actuator, switch,
4WD control module or its circuit.
Scan Tool Data
S6JB0A3314009
C1243
Internal circuit malfunction of
4WD control module
EEPROM error
{
C1246
Clutch pedal position (CPP)
switch circuit short
CPP switch signal is input when vehicle speed is
30 km/h (19 mph).
{
U1073
Control module communication
bus off
Transmitting and receiving error of 4WD control
module for specified time continuously.
{
U1100
Lost communication with ECM
Receiving error of 4WD control module from
ECM for specified time continuously.
{
U1121
Lost communication with ABS /
ESP
® control module
Receiving error of 4WD control module from
ABS / ESP
® control module for specified time
continuously.
{
DTC No.
Detecting item
Detecting condition
(DTC will set when detecting)
Transfer
position
indicators
DTC No.
Trouble Area
Fail-Safe Operation
Transfer actuator switch 1 circuit open
4WD control module stops outputting of control
signal to transfer actuator (When shifting, stop it
stops outputting after shifting is completed).
Transfer actuator switch 1 circuit short
Transfer actuator switch 2 circuit open
Transfer actuator switch 2 circuit short
C1230
Transfer actuator circuit malfunction
4WD control module stops outputting of control
signal to transfer actuator.
C1240
4WD control module power supply circuit
malfunction
Clutch switch circuit short
Scan Tool Data
Vehicle Condition
Normal Condition /
Reference Value
Vehicle speed
At vehicle stop
0 km/h, 0 mph
Actuator Pos Sen
Transfer shifted to 4H position
4H
Transfer being shifted between 4H-lock and 4H position
4H-lock – 4H
Transfer shifted to 4H-lock position
4H-lock
Transfer being shifted between 4H and N position
4H – N
Transfer shifted to 4L-lock position
4L-lock
Transfer being shifted between N and 4L-lock position
N – 4L-lock
Transfer shifted to N position
N
Actuator motor Pos
Transfer shifted to 4H position
4H
Transfer shifted to 4H-lock position
4H-lock
Transfer shifted to 4L-lock position
4L-lock
Transfer shifted to N position
N
Battery voltage
Ignition switch ON and engine stop
10 – 14 V
4L/N switch
Transfer shifted to 4L-lock or N position
ON
Transfer shifted to 4H or 4H-lock position
OFF
Center diff lock SW
Transfer shifted to 4H or N position
ON
Transfer shifted to 4H-lock or 4L-lock position
OFF
N range signal (AT)
A/T shifted to “N” range
ON
A/T shifted to other than “N” range
OFF
CPP switch (MT)
Clutch pedal depressed
OFF
Clutch pedal released
ON