KEYLESS ENTRY SYSTEM PRELIMINARY INSPECTION

id0903d2800300

(Normal Key Type)

• Perform the following preliminary inspection before troubleshooting.

STEP

INSPECTION

ACTION

1

•  Is an after-market system installed?

Yes

Perform troubleshooting according to after-market keyless entry system manual.

No

Go to the next step.

2

•  Did the customer activate the keyless entry system with the key inserted into the steering lock?

Yes

Go to the next step.

No

•  Explain to the customer that the system does not work with the key inserted into the steering lock.

•  Go to the next step.

3

•  The transmitter operation indicator light (LED) illuminates when any operation using the transmitter is performed.

Yes

Go to Step 7.

No

Go to the next step.

4

•  Visually inspect the transmitter battery for the following:
(See TRANSMITTER BATTERY REPLACEMENT.)

―  Battery direction (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?

Yes

Battery insertion direction, battery type problem:

•  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 the terminal, then go to the next step.

No

Go to Step 6.

5

•  Does the keyless entry system operate properly?

Yes

Go to Step 7.

No

Go to the next step.

6

Note

•  Use a new monitor battery (normal battery) or one from another vehicle which operates normally.

•  Replace the battery in all the transmitters with a monitor-use battery (normal battery).
(See TRANSMITTER BATTERY REPLACEMENT.)

•  Verify the operation of keyless entry system using all of the transmitters.

•  Does the keyless entry system operate normally?

Yes

Replace the battery, then go to Step 11.

(See TRANSMITTER BATTERY REPLACEMENT.)

No

Does not operate on all transmitters:

•  Go to Step 8 of troubleshooting NO. 3 TRANSMITTER ID CODE CANNOT BE REPROGRAMMED.

Does not operate on only one:

•  Replace the transmitter which does not operate, then go to Step 11.

7

•  Did the customer activate the transmitter within operative area (Within 1 m {3 ft} from area around vehicle)?

Yes

Go to the next step.

No

The system is normal.

Explain to the customer that the system does not work without the system operative area.

8

•  Did the customer use the keyless entry system in particular area, such as being near TV towers, power plants, power lines, or factories?

Yes

Attempt to lock/unlock the doors with the transmitter in a non-interference area.

If system operates:

•  Area of operation is suspect. Explain effect of outside interference on the transmitter to the customer.

If system does not operate:

•  Go to the next step.

No

Go to the next step.

9

•  Are any of the following after-market electrical parts on the vehicle?

―  Cellular phone

―  Radio-wave equipment

―  Remote engine starter

―  TV, etc.

Yes

Disconnect the after-market electrical part connectors and attempt to lock/unlock the doors with the transmitter.

If system operates:

•  The after-market electrical parts are interfering with the keyless entry system.

If system does not operate:

•  Go to the next step.

No

Go to the next step.

10

•  Perform the on-board diagnostic function.
(See KEYLESS ENTRY SYSTEM ON-BOARD DIAGNOSIS.)

•  Does the on-board diagnostic function work?

Yes

Go to the next step.

No

•  Go to Step 1 of NO. 1 ONE OR MORE ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE.

•  Go to Step 1 of NO. 2 ALL ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE.

11

•  Attempt to reprogram the transmitter ID code.

•  Can the transmitter ID code be reprogrammed?

Yes

The system is normal.

No

Go to Step 1 of troubleshooting NO. 3 TRANSMITTER ID CODE CANNOT BE REPROGRAMMED.

STEP	INSPECTION	ACTION
1	• Is an after-market system installed?	Yes	Perform troubleshooting according to after-market keyless entry system manual.
No	Go to the next step.
2	• Did the customer activate the keyless entry system with the key inserted into the steering lock?	Yes	Go to the next step.
No	• Explain to the customer that the system does not work with the key inserted into the steering lock. • Go to the next step.
3	• The transmitter operation indicator light (LED) illuminates when any operation using the transmitter is performed.	Yes	Go to Step 7.
No	Go to the next step.
4	• Visually inspect the transmitter battery for the following: (See TRANSMITTER BATTERY REPLACEMENT.) ― Battery direction (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?	Yes	Battery insertion direction, battery type problem: • 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 the terminal, then go to the next step.
No	Go to Step 6.
5	• Does the keyless entry system operate properly?	Yes	Go to Step 7.
No	Go to the next step.
6	Note • Use a new monitor battery (normal battery) or one from another vehicle which operates normally. • Replace the battery in all the transmitters with a monitor-use battery (normal battery). (See TRANSMITTER BATTERY REPLACEMENT.) • Verify the operation of keyless entry system using all of the transmitters. • Does the keyless entry system operate normally?	Yes	Replace the battery, then go to Step 11. (See TRANSMITTER BATTERY REPLACEMENT.)
No	Does not operate on all transmitters: • Go to Step 8 of troubleshooting NO. 3 TRANSMITTER ID CODE CANNOT BE REPROGRAMMED. Does not operate on only one: • Replace the transmitter which does not operate, then go to Step 11.
7	• Did the customer activate the transmitter within operative area (Within 1 m {3 ft} from area around vehicle)?	Yes	Go to the next step.
	No	The system is normal. Explain to the customer that the system does not work without the system operative area.
8	• Did the customer use the keyless entry system in particular area, such as being near TV towers, power plants, power lines, or factories?	Yes	Attempt to lock/unlock the doors with the transmitter in a non-interference area. If system operates: • Area of operation is suspect. Explain effect of outside interference on the transmitter to the customer. If system does not operate: • Go to the next step.
No	Go to the next step.
9	• Are any of the following after-market electrical parts on the vehicle? ― Cellular phone ― Radio-wave equipment ― Remote engine starter ― TV, etc.	Yes	Disconnect the after-market electrical part connectors and attempt to lock/unlock the doors with the transmitter. If system operates: • The after-market electrical parts are interfering with the keyless entry system. If system does not operate: • Go to the next step.
No	Go to the next step.
10	• Perform the on-board diagnostic function. (See KEYLESS ENTRY SYSTEM ON-BOARD DIAGNOSIS.) • Does the on-board diagnostic function work?	Yes	Go to the next step.
No	• Go to Step 1 of NO. 1 ONE OR MORE ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE. • Go to Step 1 of NO. 2 ALL ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE.
11	• Attempt to reprogram the transmitter ID code. • Can the transmitter ID code be reprogrammed?	Yes	The system is normal.
No	Go to Step 1 of troubleshooting NO. 3 TRANSMITTER ID CODE CANNOT BE REPROGRAMMED.

(Retractable Key Type)

• Perform the following preliminary inspection before troubleshooting.

STEP

INSPECTION

ACTION

1

•  Is system an after-market one?

Yes

Perform troubleshooting according to after-market keyless entry system manual.

No

Go to the next step.

2

•  Did customer activate keyless entry system when the ignition is switched to off?

Yes

Go to the next step.

No

•  Explain to customer that system does not work when ignition is key in key cylinder.

•  Switch the ignition to off, then go to next step.

3

•  The transmitter operation indicator light (LED) illuminates when any operation using the transmitter is performed.

Yes

Go to Step 8.

No

Go to the next step.

4

•  Visually inspect the transmitter battery for the following:
(See TRANSMITTER BATTERY REPLACEMENT.)

―  Battery direction (polarity)

―  Battery type (CR1620)

―  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?

Yes

Battery insertion direction, battery type problem:

•  Properly install the battery or replace the battery with a specified one (CR1620), then go to the next step.

Battery terminal malfunction:

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

No

Go to Step 8.

5

•  Does the keyless entry system operate properly?

Yes

Go to Step 9.

No

Go to the next step.

6

Note

•  Use a new monitor battery (normal battery) or one from another vehicle which operates normally.

•  Replace the battery in all the transmitters with a monitor-use battery (normal battery).
(See TRANSMITTER BATTERY REPLACEMENT.)

•  For each transmitter, verify that the transmitter operation indicator light (LED) illuminates when a button is operated.

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

Yes

Go to the next step.

No

If the operation indicator light (LED) does not illuminate, replace the transmitter, then go to Step 12.

7

Note

•  Inspect for all transmitters.

•  Inspect while the batteries for all of the transmitters are replaced with monitor-use batteries (normal battery).

•  Verify the operation of keyless entry system using all of the transmitters.

•  Does the keyless entry system operate normally?

Yes

Replace the battery, then go to Step 12.

(See TRANSMITTER BATTERY REPLACEMENT.)

No

Go to the next step.

8

•  Did the customer activate the transmitter within operative area (Within 1 m {3 ft} from area around vehicle)?

Yes

Go to the next step.

No

The system is normal.

Explain to the customer that the system does not work without the system operative area.

9

•  Did the customer use the keyless entry system in particular area, such as being near TV towers, power plants, power lines, or factories?

Yes

Attempt to lock/unlock the doors with the transmitter in a non-interference area.

If system operates:

•  Area of operation is suspect. Explain effect of outside interference on the transmitter to the customer.

If system does not operate:

•  Go to the next step.

No

Go to the next step.

10

•  Are any of the following after-market electrical parts on the vehicle?

―  Cellular phone

―  Radio-wave equipment

―  Remote engine starter

―  TV, etc.

Yes

Disconnect the after-market electrical part connectors and attempt to lock/unlock the doors with the transmitter.

If system operates:

•  The after-market electrical parts are interfering with the keyless entry system.

If system does not operate:

•  Go to the next step.

No

Go to the next step.

11

•  Perform the on-board diagnostic function.

•  Does the keyless entry system function work?

Yes

Go to the next step.

No

•  Go to Step 1 of NO. 1 ONE OR MORE ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE.

12

•  Attempt to reprogram the transmitter ID code.

•  Can the transmitter ID code be reprogrammed?

Yes

The system is normal.

No

Go to Step 1 of troubleshooting NO. 3 TRANSMITTER ID CODE CANNOT BE REPROGRAMMED.

STEP	INSPECTION		ACTION
1	• Is system an after-market one?	Yes	Perform troubleshooting according to after-market keyless entry system manual.
1	• Is system an after-market one?	No	Go to the next step.
2	• Did customer activate keyless entry system when the ignition is switched to off?	Yes	Go to the next step.
2		No	• Explain to customer that system does not work when ignition is key in key cylinder. • Switch the ignition to off, then go to next step.
3	• The transmitter operation indicator light (LED) illuminates when any operation using the transmitter is performed.	Yes	Go to Step 8.
3		No	Go to the next step.
4	• Visually inspect the transmitter battery for the following: (See TRANSMITTER BATTERY REPLACEMENT.) ― Battery direction (polarity) ― Battery type (CR1620) ― 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?	Yes	Battery insertion direction, battery type problem: • Properly install the battery or replace the battery with a specified one (CR1620), then go to the next step. Battery terminal malfunction: • Clean corrosion and soiling or repair the terminal, then go to the next step.
4		No	Go to Step 8.
5	• Does the keyless entry system operate properly?	Yes	Go to Step 9.
5	• Does the keyless entry system operate properly?	No	Go to the next step.
6	Note • Use a new monitor battery (normal battery) or one from another vehicle which operates normally. • Replace the battery in all the transmitters with a monitor-use battery (normal battery). (See TRANSMITTER BATTERY REPLACEMENT.) • For each transmitter, verify that the transmitter operation indicator light (LED) illuminates when a button is operated. • Does operation indicator light (LED) for each transmitter operate?	Yes	Go to the next step.
6		No	If the operation indicator light (LED) does not illuminate, replace the transmitter, then go to Step 12.
7	Note • Inspect for all transmitters. • Inspect while the batteries for all of the transmitters are replaced with monitor-use batteries (normal battery). • Verify the operation of keyless entry system using all of the transmitters. • Does the keyless entry system operate normally?	Yes	Replace the battery, then go to Step 12. (See TRANSMITTER BATTERY REPLACEMENT.)
7		No	Go to the next step.
8	• Did the customer activate the transmitter within operative area (Within 1 m {3 ft} from area around vehicle)?	Yes	Go to the next step.
8		No	The system is normal. Explain to the customer that the system does not work without the system operative area.
9	• Did the customer use the keyless entry system in particular area, such as being near TV towers, power plants, power lines, or factories?	Yes	Attempt to lock/unlock the doors with the transmitter in a non-interference area. If system operates: • Area of operation is suspect. Explain effect of outside interference on the transmitter to the customer. If system does not operate: • Go to the next step.
9		No	Go to the next step.
10	• Are any of the following after-market electrical parts on the vehicle? ― Cellular phone ― Radio-wave equipment ― Remote engine starter ― TV, etc.	Yes	Disconnect the after-market electrical part connectors and attempt to lock/unlock the doors with the transmitter. If system operates: • The after-market electrical parts are interfering with the keyless entry system. If system does not operate: • Go to the next step.
10		No	Go to the next step.
11	• Perform the on-board diagnostic function. • Does the keyless entry system function work?	Yes	Go to the next step.
11		No	• Go to Step 1 of NO. 1 ONE OR MORE ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE.
12	• Attempt to reprogram the transmitter ID code. • Can the transmitter ID code be reprogrammed?	Yes	The system is normal.
12		No	Go to Step 1 of troubleshooting NO. 3 TRANSMITTER ID CODE CANNOT BE REPROGRAMMED.