DTC U3000:96 [GATEWAY UNIT (GWU) (TYPE-B)]

id0902zc792300

Outline

System malfunction location

Gateway unit (GWU) internal malfunction

Detection condition

• The gateway unit (GWU) detects a gateway unit (GWU) internal malfunction.

Fail-safe

Not applicable

Possible cause

• Gateway unit (GWU) malfunction

System wiring diagram

Not applicable

Connector diagram

Not applicable

System malfunction location	Gateway unit (GWU) internal malfunction
Detection condition	• The gateway unit (GWU) detects a gateway unit (GWU) internal malfunction.
Fail-safe	Not applicable
Possible cause	• Gateway unit (GWU) malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable

Diagnostic Procedure

Step

Inspection

Results

Action

1

INSPECT GATEWAY UNIT (GWU) FOR MALFUNCTION

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

•  Perform the DTC inspection for the gateway unit (GWU).
(See DTC INSPECTION.)

•  Is the same Pending DTC present?

Yes

Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.

(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [TYPE-B (L.H.D.)].)

(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [TYPE-B (R.H.D.)].)

If the CAN communication is normal, replace the gateway unit (GWU) and perform the repair completion verification.

(See GATEWAY UNIT (GWU) REMOVAL/INSTALLATION [TYPE-B].)

No

Go to the next step.

Repair completion verification

VERIFY IF OTHER DTC IS DISPLAYED

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

•  Are any other DTCs displayed?

Yes

Repair the malfunctioning location according to the applicable DTC troubleshooting.

No

DTC troubleshooting completed.

Step	Inspection	Results	Action
1	INSPECT GATEWAY UNIT (GWU) FOR MALFUNCTION • Clear the DTC recorded in the memory. (See CLEARING DTC.) • Perform the DTC inspection for the gateway unit (GWU). (See DTC INSPECTION.) • Is the same Pending DTC present?	Yes	Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [TYPE-B (L.H.D.)].) (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [TYPE-B (R.H.D.)].) If the CAN communication is normal, replace the gateway unit (GWU) and perform the repair completion verification. (See GATEWAY UNIT (GWU) REMOVAL/INSTALLATION [TYPE-B].)
1		No	Go to the next step.
Repair completion verification	VERIFY IF OTHER DTC IS DISPLAYED • Perform the DTC inspection. (See DTC INSPECTION.) • Are any other DTCs displayed?	Yes	Repair the malfunctioning location according to the applicable DTC troubleshooting.
Repair completion verification		No	DTC troubleshooting completed.