Lock/Unlock Operation Not Possible Using Remote Transmitter [07/2015 - ]: Procedure

DETERMINE IF MALFUNCTION CAUSE IS DOOR LOCK

Refer to "door lock does not operate" malfunction diagnosis and perform the inspection.
Refer to DOOR LOCK DOES NOT OPERATE [07/2015 - ]

Is the lock/unlock operation performed using the door control transmitter?

Result

Result
Yes
No

Result:

Yes

TROUBLESHOOTING COMPLETED. (EXPLAIN THE CONTENTS OF THE SERVICING TO THE CUSTOMER.)

Result:

See step 2

VERIFY IF MALFUNCTION CAUSE IS EXTRINSIC NOISE

Ask the customer malfunction condition.

Does the malfunction occur at the specified place where extrinsic noise is received such as a TV tower, electric power station, or a broadcast station?

Result

Result
Yes
No

Result:

Yes

SYSTEM IS NORMAL. (EXPLAIN THE CUSTOMER THAT OPERATION CANNOT BE PERFORMED CAUSED BY EXTRINSIC NOISE.)

Result:

See step 3

VERIFY IF MALFUNCTION CAUSE IS OPERATION OTHER THAN OPERATION PERMISSION CONDITION

Did the customer operate the door control transmitter with all the following conditions met?

All doors and trunk lid are closed.
Ignition switched off

Result

Result
Yes
No

Result:

SYSTEM IS NORMAL. (EXPLAIN THE CUSTOMER OPERATION CONDITION.)

Result:

Yes

See step 4

DETERMINE IF MALFUNCTION CAUSE IS NON-STANDARD EQUIPMENT

Did the malfunction occur after installing the following non-standard equipment?

Mobile telephone or radio set
Part with built-in micro computer
Remote engine starter
TV

Result

Result
Yes
No

Result:

See step 6

Result:

Yes

See step 5

DETERMINE IF MALFUNCTION CAUSE IS NON-STANDARD EQUIPMENT

Disconnect the connector for non-standard equipment.
Perform the lock/unlock operation using ther emote transmitter.

Does it operate normally?

Result

Result
Yes
No

Result:

Yes

SYSTEM IS NORMAL. (EXPLAIN TO THE CUSTOMER THAT NOISE FROM THE NON-STANDARD EQUIPMENT AFFECTED THE OPERATION.)

Result:

See step 6

VERIFY DOOR CONTROL TRANSMITTER BATTERY CONDITION

Visually inspect the door control transmitter battery for the following:
- Method of battery insertion (polarity)
- Battery type (CR2025)
- Corrosion, soiling, deformation of battery terminals (plus/minus terminals).
- Contact malfunction between the battery terminal and battery when battery is inserted

Is there any malfunction?

Result

Result
Yes
No

Result:

Yes

See step 18

Result:

See step 8

VERIFY DOOR CONTROL TRANSMITTER OPERATION

Perform the lock/unlock operation using the door control transmitter.

Is the lock/unlock operation performed normally?

Result

Result
Yes
No

Result:

Yes

TROUBLESHOOTING COMPLETED.

Result:

See step 8

DETERMINE IF MALFUNCTION CAUSE IS DOOR CONTROL TRANSMITTER

HINT:

For a monitor battery, use a new battery or one which operates normally on another vehicle.

Replace the battery in all the remote transmitters with a monitor-use battery.
Refer to DISASSEMBLY [07/2015 - ]
For each door control transmitter, verify that the door control transmitter operation indicator light (LED) illuminates when a button is operated.

Does operation indicator light (LED) for each door control transmitter operate?

Result

Result
Yes
No

Result:

See step 17

Result:

Yes

See step 9

DETERMINE IF MALFUNCTION CAUSE IS BATTERY

HINT:

Inspect for all remote transmitters.
Inspect while the batteries for all of the remote transmitters are replaced with monitor-use batteries.

Perform the lock/unlock operation using all the remote transmitters.

Is the lock/unlock operation performed normally?

Result

Result
Yes
No

Result:

Yes

See step 16

Result:

See step 10

INSPECT IF MALFUNCTION CAUSE IS OPEN CIRCUIT IN WIRING HARNESS BETWEEN ENGINE STOP AND START ECU AND GROUND

Verify that the engine stop and start ECU connector is disconnected.

Measure the resistance according to the value(s) in the table below.

Standard Resistance

Tester Connection	Condition	Specified Condition
D6-32 - Body ground	Always	Below 1 Ω
D4-13 - Body ground	Always	Below 1 Ω

Result

Result
Yes
No

Result:

See step 15

Result:

Yes

See step 11

INSPECT IF MALFUNCTION CAUSE IS OPEN CIRCUIT IN WIRING HARNESS BETWEEN DOOR LOCK RECEIVER AND ENGINE STOP AND START ECU OR DOOR LOCK RECEIVER

Disconnect the negative battery cable.
Refer to REMOVAL [07/2015 - ]
Disconnect the door lock receiver and engine stop and start ECU connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance

Tester Connection	Condition	Specified Condition
E30-1 - D4-9	Always	Below 1 Ω
E30-2 - D4-21	Always	Below 1 Ω

Result

Result
Yes
No

Result:

Yes

See step 13

Result:

See step 14

VERIFY IF MALFUNCTION CAUSE WAS CORRECTED

Perform the lock/unlock operation using all the remote transmitters.

Is the lock/unlock operation performed normally?

Result

Result
Yes
No

Result:

Yes

TROUBLESHOOTING COMPLETED. (EXPLAIN THE CONTENTS OF THE SERVICING TO THE CUSTOMER.)

Result:

IF THE MALFUNCTION HAS NOT BEEN RESOLVED, REPEAT THE INSPECTION FROM STEP 1.

INSPECT THE DOOR LOCK RECEIVER. IF THERE IS ANY MALFUNCTION, REPLACE IT.

Refer to INSPECTION [07/2015 - ]

After repair, go to the next step.

Result

Proceed to
NEXT

Result:

See step 12

REPAIR OR REPLACE THE WIRING HARNESS FOR AN OPEN CIRCUIT.

After repair, go to the next step.

Result

Proceed to
NEXT

Result:

See step 12

REPAIR OR REPLACE THE WIRING HARNESS FOR AN OPEN CIRCUIT.

After repair, go to Step 12.

Result

Proceed to
NEXT

Result:

See step 12

REPLACE THE BATTERY, THEN GO TO STEP 12.

Refer to DISASSEMBLY [07/2015 - ]

Result

Proceed to
NEXT

Result:

See step 12

IF THE OPERATION INDICATOR LIGHT (LED) DOES NOT ILLUMINATE, REPLACE THE DOOR CONTROL TRANSMITTER, THEN GO TO THE STEP 12..
Result

Proceed to

NEXT

Result:

NEXT

See step 12

BATTERY INSERTION DIRECTION, BATTERY TYPE IS INCORRECT:

Properly install the battery or replace the battery with a specified one (CR2025), then go to the next step

Battery terminal malfunction:

Clean corrosion and soiling, or repair or replace the terminal, then go to the next step.

Result

Proceed to
NEXT

Result:

See step 7