DESCRIPTION
A-TRAC is activated if wheel skid is detected while the transfer is in the L4 position.
DTC Code |
DTC Detecting Condition |
Trouble Areas |
---|---|---|
C1268 |
L4 detection switch signal input to skid control ECU (master cylinder solenoid) does not match L4 detection switch signal output from ECM. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (master cylinder solenoid), perform zero
point calibration (See page
).
HINT:
When DTC U0114 is output together with DTC C1268, inspect and repair the trouble
areas indicated by DTC U0114 first (See page ).
PROCEDURE
1. |
INSPECT TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM |
(a) Turn the 4WD control switch (transfer position switch) to L4, and then drive the vehicle and check that there are no problems with the touch select 2-4 and high-low system.
OK:
There are no problems with the touch select 2-4 and high-low system.
NG | ![]() |
GO TO TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM |
|
2. |
CHECK HARNESS AND CONNECTOR (EXI TERMINAL) |
(a) Connect the S1 skid control ECU (master cylinder solenoid) connector.
(b) Turn the 4WD control switch (transfer position switch) to L4.
(c) Disconnect the E13 ECM connector.
(d) Disconnect the S1 skid control ECU (master cylinder solenoid) connector. |
|
(e) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
S1-27 (EXI) - Body ground |
|
Below 1.5 V |
*a |
Front view of wire harness connector (to Skid Control ECU (Master Cylinder Solenoid)) |
(f) Reconnect the S1 skid control ECU (master cylinder solenoid) connector.
(g) Reconnect the E13 ECM connector.
(h) Turn the 4WD control switch (transfer position switch) to 2WD or H4.
(i) Disconnect the E13 ECM connector.
(j) Disconnect the S1 skid control ECU (master cylinder solenoid) connector.
(k) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
S1-27 (EXI) - Body ground |
|
11 to 14 V |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (EXI TERMINAL) |
|
3. |
RECONFIRM DTC OUTPUT |
(a) Turn the ignition switch off.
(b) Reconnect the S1 skid control ECU (master cylinder solenoid) connector.
(c) Reconnect the E13 ECM connector.
(d) Turn the ignition switch to ON.
(e) Clear the DTC (See page
).
(f) Turn the ignition switch off.
(g) Start the engine.
(h) Turn the 4WD control switch (transfer position switch) to 2WD or H4.
(i) Turn the 4WD control switch (transfer position switch) to L4, drive the vehicle, and then check for DTCs.
Result
Result |
Proceed to |
---|---|
DTC is output |
A |
DTC is not output |
B |
A | ![]() |
REPLACE MASTER CYLINDER SOLENOID |
B | ![]() |
USE SIMULATION METHOD TO CHECK |
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DESCRIPTION
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HINT:
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DESCRIPTION
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DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
P057504
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DESCRIPTION
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