KEYLESS ENTRY SYSTEM PRELIMINARY INSPECTION[KEYLESS ENTRY SYSTEM]

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• Perform the following preliminary inspection before troubleshooting.

STEP

INSPECTION

ACTION

1

•  Is an after‐market system installed?

Yes

Perform troubleshooting according to the 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

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

•  Go to the next step.

No

Go to the next step.

3

•  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.

4

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

―  Cellular phone

―  Radio‐wave equipment

―  Remote engine starter

―  TV

―  Other

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.

5

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

•  Does the on‐board diagnostic function work?

Yes

Go to the next step.

No

•  Go to Step 1 of troubleshooting NO. 1.
(See NO.1 ONE OR MORE ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE[KEYLESS ENTRY SYSTEM].)

•  Go to Step 1 of troubleshooting NO. 2.
(See NO.2 ALL ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE[KEYLESS ENTRY SYSTEM].)

6

•  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.

(See NO.3 TRANSMITTER ID CODE CANNOT BE REPROGRAMMED[KEYLESS ENTRY SYSTEM].)

STEP	INSPECTION		ACTION
1	• Is an after‐market system installed?	Yes	Perform troubleshooting according to the after‐market keyless entry system manual.
1	• Is an after‐market system installed?	No	Go to the next step.
2	• Did the customer activate the keyless entry system with the key inserted into the steering lock?	Yes	• Explain to the customer that the system does not work with the key inserted into the steering lock. • Go to the next step.
2		No	Go to the next step.
3	• 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.
3		No	Go to the next step.
4	• Are any of the following after‐market electrical parts on the vehicle? ― Cellular phone ― Radio‐wave equipment ― Remote engine starter ― TV ― Other	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.
4		No	Go to the next step.
5	• Perform the on‐board diagnostic function. (See KEYLESS ENTRY SYSTEM ON-BOARD DIAGNOSIS[KEYLESS ENTRY SYSTEM].) • Does the on‐board diagnostic function work?	Yes	Go to the next step.
5		No	• Go to Step 1 of troubleshooting NO. 1. (See NO.1 ONE OR MORE ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE[KEYLESS ENTRY SYSTEM].) • Go to Step 1 of troubleshooting NO. 2. (See NO.2 ALL ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE[KEYLESS ENTRY SYSTEM].)
6	• Attempt to reprogram the transmitter ID code. • Can the transmitter ID code be reprogrammed?	Yes	The system is normal.
6		No	Go to Step 1 of troubleshooting NO. 3. (See NO.3 TRANSMITTER ID CODE CANNOT BE REPROGRAMMED[KEYLESS ENTRY SYSTEM].)