DTC U0402:00 [SELECTOR LEVER]

id0502z3305200

Outline

System malfunction location

CAN communication: Error signal received from transaxle

Detection condition

•  The selector lever receives the error signal from the TCM.

Fail-safe

Refer to the DTC table and fail-safe table according to the DTC. (See DTC TABLE [SELECTOR LEVER].)

Vehicle status when DTCs are output

Not applicable

Possible cause

•  The transaxle could not send a normal signal temporarily. (DTCs are stored in the TCM.)

•  Transaxle malfunction

•  TCM malfunction

System wiring diagram

Not applicable

Connector diagram

Not applicable

System malfunction location	CAN communication: Error signal received from transaxle
Detection condition	• The selector lever receives the error signal from the TCM.
Fail-safe	Refer to the DTC table and fail-safe table according to the DTC. (See DTC TABLE [SELECTOR LEVER].)
Vehicle status when DTCs are output	Not applicable
Possible cause	• The transaxle could not send a normal signal temporarily. (DTCs are stored in the TCM.) • Transaxle malfunction • TCM malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable

Diagnostic Procedure

Step

Inspection

Results

Action

1

INSPECT TCM FOR MALFUNCTION

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

•  Is a DTC displayed?

Yes

Repair the malfunctioning part according to the applicable DTC troubleshooting.

(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (ET6A-EL, ET6AX-EL)].)

No

Go to the next step.

Repair completion verification 1

VERIFY IF VEHICLE IS REPAIRED

•  Install/connect the part removed/disconnected during the troubleshooting procedure.

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

•  Perform the DTC inspection for the selector lever.
(See DTC INSPECTION.)

•  Is the same Pending DTC present?

Yes

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

(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW.)

If the CAN communication is normal, perform the diagnosis from Step 1 again.

•  If the malfunction is not resolved, replace the TCM, then go to the next step.
(See CONTROL VALVE BODY REMOVAL/INSTALLATION [ET6A-EL, ET6AX-EL].)

No

Go to the next step.

Repair completion verification 2

VERIFY IF OTHER DTCs ARE DISPLAYED

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

•  Is a DTC displayed?

Yes

Repair the malfunctioning part according to the applicable DTC troubleshooting.

No

DTC troubleshooting completed.

Step	Inspection	Results	Action
1	INSPECT TCM FOR MALFUNCTION • Perform the DTC inspection for the TCM. (See DTC INSPECTION.) • Is a DTC displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting. (See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (ET6A-EL, ET6AX-EL)].)
1		No	Go to the next step.
Repair completion verification 1	VERIFY IF VEHICLE IS REPAIRED • Install/connect the part removed/disconnected during the troubleshooting procedure. • Clear the DTC recorded in the memory. (See CLEARING DTC.) • Perform the DTC inspection for the selector lever. (See DTC INSPECTION.) • Is the same Pending DTC present?	Yes	Refer to the CAN (controller area network) malfunction diagnosis flow to inspect for a CAN communication error. (See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW.) If the CAN communication is normal, perform the diagnosis from Step 1 again. • If the malfunction is not resolved, replace the TCM, then go to the next step. (See CONTROL VALVE BODY REMOVAL/INSTALLATION [ET6A-EL, ET6AX-EL].)
Repair completion verification 1		No	Go to the next step.
Repair completion verification 2	VERIFY IF OTHER DTCs ARE DISPLAYED • Perform the DTC inspection. (See DTC INSPECTION.) • Is a DTC displayed?	Yes	Repair the malfunctioning part according to the applicable DTC troubleshooting.
Repair completion verification 2		No	DTC troubleshooting completed.