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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Step

Inspection

Action

1

• Using the M-MDS, clear the DTC from the EVP control unit.

  (See CLEARING DTC [EVP CONTROL UNIT].)

• Using the M-MDS, perform the EVP control unit DTC inspection.

  (See DTC INSPECTION [EVP CONTROL UNIT].)

• Is the same DTC present?

Yes

Replace the EVP control unit, then go to the next step.

(See EVP CONTROL UNIT REMOVAL/INSTALLATION.)

No

Go to the next step.

2

• Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [EVP CONTROL UNIT].)

No

DTC troubleshooting completed.