Mazda 3 Facelift 2006, Training Manual

Page: 64 / 94

Security and Locks Body & Accessories
UNSATISFACTORY
RESULT
SATISFACTORY RESULT
UNSATISFACTORY
RESULT
SATISFACTORY RESULT
5. The keyless control module requests data for verification from
the PCM.
6. The PCM sends data C* to the keyless control module.
UNSATISFACTORY
RESULT
SATISFACTORY RESULT
Engine starting is permitted
(security light goes out after approx. 3 s).
The ignition switch is turned from the LOCK (ACC) to the ON
(START) position (security light illuminates).
3. The keyless control module verifies consistency between the
received key ID number and the previously registered key ID
numbers.
1. The keyless control module sends data A* to the key
(transponder) via the coil antenna.
2. The key (transponder) calculates data B from received data
A, and sends unique key ID number and data B
to the keyless
control module via the coil antenna.
M3FL_T09004
8. The PCM makes a calculation using received data D
and compares it with sent data C.
Engine starting is not permitted.
After detecting a fault (such as
non-verification or malfunction),
the security light illuminates or
flashes continuously for approx.
1 min, and then repeatedly displays
a DTC 10 times.
4. The keyless control module makes a calculation using
received data B and compares it with sent data A.
7. The keyless control module calculates data D from received
data C and sends it to the PCM.
*: Data A and C are different random values each time.
09-16 Service Training Mazda3 F/L