Mazda MX-6 1998, Workshop Manual

Page: 1033 / 1282

TROUBLESHOOTING [THEFT-DETERRENT (KEYLESS ENTRY SECURITY) SYSTEM]
Security light does not flash at 0.3 second Interval when any door is opened without using transm itter after
vehicle is armed
TROUBLESHOOTING HINTS
Malfunction in theft-deterrent system input signal circuit
• CPU malfunction
• Door switch malfunction
• Malfunction in poor installed door switch
• Malfunction in wiring harness between door switch and CPU
STEP INSPECTION ACTION
Does security light flash at 3 seconds interval
after vehicle is armed?
Yes
Go to next step.
No
Go to symptom troubleshooting No.1.
Remove driver’s side front scuff plate.
Remove driver’s side front side trim.
Remove nut fixed in joint box and remove
CPU from joint box.
Open any door.
Check for continuity between terminal 11 at
joint box and ground.
Is there continuity?
Yes Replace CPU.
c r 0 9 -4 0 CPU REMOVAL/INSTALLATION
1P 1A 10 IN 1M 1L IK 1J 11
ih
I
ig
1F IE 10 1C IB
No Go to next step.
W 6 U 9 0 1 W J 3
Remove door switch.
Inspect door switch.
o r 0 9-18 DOOR SWITCH INSPECTION
Is door switch okay?
Yes Go to next step.
No Replace door switch.
ter 0 9-18 DOOR SWITCH REMOVAL/INSTALLATION
Is door switch installed securely? Yes Repair wiring harness between door switch and CPU.
No Install door switch securely.
0 9 -0 1 G -4