DTC U3000:11/U3000:12/U3000:46/U3000:47/U3000:56/U3000:96 [EVP CONTROL UNIT]

id040251840400

DTC
U3000:11
EVP control unit internal circuit malfunction
U3000:12
U3000:46
U3000:47
U3000:56
U3000:96
DETECTION CONDITION
•  DTC U3000:11
―  Open or short to ground in the temperature sensor circuit inside the EVP control unit continues for 0.1 s.
•  DTC U3000:12
―  Short to power supply in the temperature sensor inside the EVP control unit continues for 0.1 s.
•  DTC U3000:46
―  ROM/RAM data error in the electric vacuum pump is detected.
•  DTC U3000:47
―  Sub CPU/ROM/RAM error in the EVP control unit is detected.
•  DTC U3000:56
―  ROM/RAM file error in the EVP control unit is detected.
•  DTC U3000:96
―  The A/D converter in the electric vacuum pump unit or the current value of the pump control circuit when the electric vacuum pump is stopped is stuck for a continuous 0.2 s.
FAIL-SAFE FUNCTION
•  Refer to “Fail-safe function table”. (See DTC TABLE [EVP CONTROL UNIT].)
POSSIBLE CAUSE
•  EVP control unit malfunction
SYSTEM WIRING DIAGRAM
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Diagnostic Procedure

Step

Inspection

Action
1
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Using the M-MDS, clear the DTC from the EVP control unit.
•  Using the M-MDS, perform the EVP control unit DTC inspection.
•  Is the same DTC present?
Yes
Replace the EVP control unit, then go to the next step.
(See EVP CONTROL UNIT REMOVAL/INSTALLATION [L.H.D.].)
(See EVP CONTROL UNIT REMOVAL/INSTALLATION [R.H.D.].)
No
Go to the next step.
2
VERIFY NO DTC IS PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [EVP CONTROL UNIT].)
No
DTC troubleshooting completed.