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DTC C103D:84 OR C103D:85 [DSC HU/CM]

id040262006700

Outline

System malfunction location

Brake fluid pressure sensor

Detection condition

•  C103D:84

―  The DSC HU/CM detects a condition in which the brake fluid temperature signal received from the brake fluid pressure sensor is the specification or less.

•  C103D:85

―  The DSC HU/CM detects a condition in which the brake fluid temperature signal received from the brake fluid pressure sensor is the specification or more.

Fail-safe

Refer to “DTC Table” and “Fail-safe Function Malfunction Contents Table”.(See DTC TABLE [DSC HU/CM (E)].)

Possible cause

•  DSC HU/CM malfunction

―  Brake fluid pressure sensor malfunction

System wiring diagram

Not applicable

Connector diagram

Not applicable

System malfunction location	Brake fluid pressure sensor
Detection condition	• C103D:84 ― The DSC HU/CM detects a condition in which the brake fluid temperature signal received from the brake fluid pressure sensor is the specification or less. • C103D:85 ― The DSC HU/CM detects a condition in which the brake fluid temperature signal received from the brake fluid pressure sensor is the specification or more.
Fail-safe	Refer to “DTC Table” and “Fail-safe Function Malfunction Contents Table”.(See DTC TABLE [DSC HU/CM (E)].)
Possible cause	• DSC HU/CM malfunction ― Brake fluid pressure sensor malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable

Diagnostic Procedure

Step

Inspection

Results

Action

1

INSPECT DSC HU/CM FOR MALFUNCTION DEPENDING ON REPEATABILITY

•  Clear the DTC recorded in the memory.
(See CLEARING DTC.)

•  Perform the DTC inspection for the DSC HU/CM.
(See DTC INSPECTION.)

•  Is the same Pending DTC present?

Yes

Replace the DSC HU/CM and perform the repair completion verification.

(See DSC HU/CM REMOVAL/INSTALLATION [L.H.D. (E)].)

(See DSC HU/CM REMOVAL/INSTALLATION [R.H.D.].)

No

Go to the next step.

Repair completion verification

VERIFY IF OTHER DTCs DISPLAYED

•  Perform the DTC inspection.
(See DTC INSPECTION.)

•  Are any DTCs displayed?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

No

DTC troubleshooting completed.

Step	Inspection	Results	Action
1	INSPECT DSC HU/CM FOR MALFUNCTION DEPENDING ON REPEATABILITY • Clear the DTC recorded in the memory. (See CLEARING DTC.) • Perform the DTC inspection for the DSC HU/CM. (See DTC INSPECTION.) • Is the same Pending DTC present?	Yes	Replace the DSC HU/CM and perform the repair completion verification. (See DSC HU/CM REMOVAL/INSTALLATION [L.H.D. (E)].) (See DSC HU/CM REMOVAL/INSTALLATION [R.H.D.].)
1		No	Go to the next step.
Repair completion verification	VERIFY IF OTHER DTCs DISPLAYED • Perform the DTC inspection. (See DTC INSPECTION.) • Are any DTCs displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting.
Repair completion verification		No	DTC troubleshooting completed.