Mazda 6 2002 Workshop Manual page 848

TROUBLESHOOTING [KEYLESS ENTRY SYSTEM]
STEP
3 • Did customer use keyless entry system in
particular area, such as being near TV
towers, power plants, power lines, or
factories?
4 • Are any of the following after-market
electrical parts on the vehicle?
— Cellular phone
— Radio-wave equipment
— Remote engine starter
— TV, etc.
5 • Perform on-board diagnostic function.
(See S–130 ON-BOARD DIAGNOSTIC
FUNCTION.)
• Does on-board diagnostic function work?
6 • Attempt to reprogram transmitter ID code.
• Can transmitter ID code be reprogrammed?
End Of Sie
ON-BOARD DIAGNOSTIC FUNCTION
End Of Sie
S–130
INSPECTION
Yes Attempt to lock/unlock doors with transmitter in
non-interference area.
If system operates:
• Area of operation is bad. Eplain effect of outside
interference on transmitter to customer.
If system does not operate:
• Go to net step.
No Go to net step.
Yes Disconnect after-market electrical part connectors and
attempt to lock/unlock doors with transmitter.
If system operates:
• After-market electrical parts are interfering with keyless
entry system.
If system does not operate:
• Go to net step.
No Go to net step.
Yes Go to net 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.
Yes System is normal now.
No Go to Step 1 of troubleshooting NO. 3 TRANSMITTER ID
CODE CANNOT BE REPROGRAMMED.
ACTION
A6E778269000W04
A6E7782W003