2005 Mazda MPV ESFACTORY OEM SERVICE PROCEDURE

Keyless Entry System Pre-Inspection

  1. Perform the following pre-inspection before troubleshooting.
KEYLESS ENTRY SYSTEM PRE-INSPECTION

STEP INSPECTION ACTION
1
  • Is system an after-market one?
 Yes Perform troubleshooting according to after-market keyless entry system manual.
No Go to next step.
2
  • Did customer activate keyless entry system when ignition switch was in LOCK position?
 Yes Go to next step.
No Explain to customer that system does not work when ignition is in ON position. Turn ignition switch to LOCK position, then go to next step.
3
  • Did customer use keyless entry system in particular area, such as near TV towers, power plants, power lines or factories?
 Yes Attempt to lock/unlock doors with transmitter in non-interference area.
If system operates: 
  • Area of operation is bad. Explain effect of outside interference on transmitter to customer.

If system does not operate: 
  • Go to next step.
No Go to next step.
4
  • Are any of the following after-market electrical parts on the vehicle?
    • Cellular phone
    • Radio-wave equipment
    • Remote engine starter
    • TV, etc.
 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 next step.
No Go to next step.
5 Yes Go to Step 7.
No Go to next step.
6
  • Did any on-board diagnostic functions work?
 Yes Go to Step 1 of troubleshooting No. 1.
No Go to Step 1 of troubleshooting No. 2.
7
  • Attempt to reprogram transmitter ID code.
  • Can transmitter ID code be reprogrammed?
 Yes System is normal now.
No Go to Step 1 of troubleshooting No. 3.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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