3C-42 Transfer: Motor-Shift Type (Transfer with Shift Actuator)
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Clear DTC using scan tool.
2) Start engine and drive vehicle at 30 km/h (19 mph) or more vehicle speed at least for 1 min.
3) Stop vehicle and check DTC.
Troubleshooting
DTC C1243: Internal Circuit Malfunction of 4WD Control Module
S5JB0A3314056
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Clear DTC using scan tool.
2) Turn ignition switch to ON position for 60 seconds.
3) Check DTC.
Troubleshooting
Substitute a known-good 4WD control module and recheck.
DTC detecting condition Trouble area
4WD control module power supply voltage is out of specification
while vehicle is running at 20 km/h (12 mph) or more.
• 4WD control module power supply circuit
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 4WD control module power circuit check
1) Disconnect 4WD control module connector with ignition
switch OFF.
2) Check for proper connection to “E91” terminal of 4WD
control module connector.
3) If connection is OK, measure voltage between “E91-11”
terminal of 4WD control module connector and vehicle
body ground with ignition switch ON.
Is it 10 – 14 V?
Poor “E91-11”
connection or
intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection: in Section
00”. If wire and
connections are OK,
substitute a known-
good 4WD control
module and recheck.
“4WD” fuse blown,
“WHT” or “BLK” wire is
circuit open or circuit
short.
DTC detecting condition Trouble area
EEPROM Error • 4WD control module
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