DTC

U0452:00

Signal error from SAS control module

U0452:82

DETECTION CONDITION

• Error detected in signal from SAS control module via CAN communication.

FAIL-SAFE FUNCTION

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

POSSIBLE CAUSE

• SAS control module malfunction

SYSTEM WIRING DIAGRAM

—

Step

Inspection

Action

1

• Using the M-MDS, perform the SAS control module DTC inspection.

  (See DTC INSPECTION [SAS CONTROL MODULE (STANDARD DEPLOYMENT CONTROL SYSTEM)].)

  (See DTC INSPECTION [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)].)

• Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [SAS CONTROL MODULE (STANDARD DEPLOYMENT CONTROL SYSTEM)].)

(See DTC TABLE [SAS CONTROL MODULE (TWO-STEP DEPLOYMENT CONTROL SYSTEM)].)

DTC troubleshooting completed, then go to the next step.

No

Go to the next step.

2

• 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 DTC present?

Yes

Repeat the inspection from Step1

If the malfunction recurs, replace the SAS control module, then go to the next step.

(See SAS CONTROL MODULE REMOVAL/INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM].)

(See SAS CONTROL MODULE REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM].)

No

Go to the next step.

3

• Are any DTCs present?

Yes

Go to the applicable DTC inspection.

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

No

DTC troubleshooting completed.