Mazda CX-7 2007 Workshop Manual page 1321

[IMMOBILIZER SYSTEM (ADVANCED KEYLESS SYSTEM)]
STEP
3 INSPECT KEYLESS CONTROL MODULE
• Using the M-MDS, clear the key ID number and
re-register it.
(See 09-14-11 IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY ADDITION
AND CLEARING[ADVANCED KEYLESS
SYSTEM].)
Note
• Two or more keys must be registered to
start the engine.
• Using the registered key, turn the ignition switch
to the ON position.
• Verify the DTC Using the M-MDS.
— Is B2431/P1260 displayed again?
End Of Sie
SECURITY LIGHT 14, DTC B1602/P1260[IMMOBILIZER SYSTEM (ADVANCED KEYLESS SYSTEM)]
SECURITY LIGHT: 14
DTC: B1602/P1260
DETECTION CONDITION
POSSIBLE CAUSE
ON-BOARD DIAGNOSTIC
INSPECTION
The keyless control module cannot read key ID number data normally.
• The keyless control module cannot read key ID number data normally.
• Transponder (key) malfunction
• Coil antenna malfunction
• Keyless control module malfunction
• Any of the following items are touching or near the key head.
— Spare keys
— Keys for other vehicles equipped with an immobilizer system
— Any metallic object
— Any electronic device, or any credit or other cards with magnetic strips
EXAMPLES:
Yes Replace the keyless control module and perform the
resetting procedure for the immobilizer system when
replacing the keyless control module.
(See 09-14-30 KEYLESS CONTROL MODULE
REMOVAL/INSTALLATION[ADVANCED KEYLESS
SYSTEM].)
(See 09-14-11 IMMOBILIZER SYSTEM COMPONENT
REPLACEMENT/KEY ADDITION AND
CLEARING[ADVANCED KEYLESS SYSTEM].)
No DTC troubleshooting completed.
METAL RING LYING ON KEY HEAD
METAL PART OF ANOTHER
KEY TOUCHING KEY HEAD
KEY IS NEAR OR TOUCHING
ANOTHER IMMOBILIZER SYSTEM KEY
ACTION
id0902e3801000
09-02B–9
09-02B