DESCRIPTION
Refer to DTC C1377/43 Click here.
DTC Code | Information Code | DTC Detection Condition | Trouble Area |
---|---|---|---|
C1378/44 | 112 | When one of the following is detected:
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WIRING DIAGRAM
Refer to DTC C1377/43 Click here.
CAUTION / NOTICE / HINT
Note
When replacing the skid control ECU, perform initialization of linear solenoid valve and calibration Click here.
PROCEDURE
INSPECT BRAKE CONTROL POWER SUPPLY
*1 | Rear view of wire harness connector: (to Brake Control Power Supply) |
Disconnect the S49 power supply connector.
Measure the voltage according to the value(s) in the table below.
Standard voltage | ||||||
---|---|---|---|---|---|---|
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Measure the resistance according to the value(s) in the table below.
Standard resistance | ||||||
---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR (IG1, GND CIRCUIT) |
OK |
CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - BRAKE CONTROL POWER SUPPLY)
Disconnect the A21 ECU connector.
Disconnect the S49 power supply connector.
Measure the resistance according to the value(s) in the table below.
Standard resistance | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
RECONFIRM DTC
Clear the DTC Click here.
Turn the engine switch on (IG).
Check if the same DTC is recorded Click here.
Tech Tips
Reinstall the sensor, connectors, etc. and restore the vehicle to its prior condition before rechecking for DTCs.
Result | Proceed to |
---|---|
DTC (C1378/44) is output | A |
DTC (C1378/44) is not output | B |
B |
END |
A |
CHECK FREEZE FRAME DATA
Check the information code from the "FREEZE FRAME DATA" memorized when the DTC (C1378/44) is stored Click here.
Result | Proceed to |
---|---|
Information code is not output | A |
Information code (112) is output | B |
A |
REPLACE SKID CONTROL ECU Click here |
B |
REPLACE BRAKE CONTROL POWER SUPPLY Click here |