DTC U042C:00/U042C:82/U042C:83 [DSC HU/CM]

id040262911900

DTC

U042C:00

Signal error from EVP control unit

U042C:82

U042C:83

DETECTION CONDITION

•  Error detected in signal from EVP control unit via CAN communication.

FAIL-SAFE FUNCTION

•  Refer to “Fail-safe function table”. (See DTC TABLE [DSC HU/CM].)

POSSIBLE CAUSE

•  EVP control unit malfunction

SYSTEM WIRING DIAGRAM

—

Diagnostic Procedure

Step

Inspection

Action

1

VERIFY EVP control unit DTC

•  Using the M-MDS, perform the EVP control unit DTC inspection.
(See DTC INSPECTION [EVP CONTROL UNIT].)

•  Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [EVP CONTROL UNIT].)

DTC troubleshooting completed, then go to the next step.

No

Go to the next step.

2

VERIFY DTC TROUBLESHOOTING COMPLETED

•  Using the M-MDS, clear the DTC from the DSC HU/CM.
(See CLEARING DTC [DSC HU/CM].)

•  Using the M-MDS, perform the DSC HU/CM DTC inspection.
(See DTC INSPECTION [DSC HU/CM].)

•  Is the same Pending DTC present?

Yes

Repeat the inspection from Step1

If the malfunction recurs, 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.

3

VERIFY NO DTC IS PRESENT

•  Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [DSC HU/CM].)

No

DTC troubleshooting completed.

DTC	U042C:00	Signal error from EVP control unit
	U042C:82
	U042C:83
DETECTION CONDITION		• Error detected in signal from EVP control unit via CAN communication.
FAIL-SAFE FUNCTION		• Refer to “Fail-safe function table”. (See DTC TABLE [DSC HU/CM].)
POSSIBLE CAUSE		• EVP control unit malfunction
SYSTEM WIRING DIAGRAM		—

Step	Inspection		Action
1	VERIFY EVP control unit DTC • Using the M-MDS, perform the EVP control unit DTC inspection. (See DTC INSPECTION [EVP CONTROL UNIT].) • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [EVP CONTROL UNIT].) DTC troubleshooting completed, then go to the next step.
1		No	Go to the next step.
2	VERIFY DTC TROUBLESHOOTING COMPLETED • Using the M-MDS, clear the DTC from the DSC HU/CM. (See CLEARING DTC [DSC HU/CM].) • Using the M-MDS, perform the DSC HU/CM DTC inspection. (See DTC INSPECTION [DSC HU/CM].) • Is the same Pending DTC present?	Yes	Repeat the inspection from Step1 If the malfunction recurs, 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.].)
2		No	Go to the next step.
3	VERIFY NO DTC IS PRESENT • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [DSC HU/CM].)
3	VERIFY NO DTC IS PRESENT • Are any DTCs present?	No	DTC troubleshooting completed.