Mazda CX-7 2007 Workshop Manual page 1324

[IMMOBILIZER SYSTEM (ADVANCED KEYLESS SYSTEM)]
SECURITY LIGHT 21, DTC B1213/P1260[IMMOBILIZER SYSTEM (ADVANCED KEYLESS SYSTEM)]
SECURITY LIGHT: 21
DTC: B1213/P1260
DETECTION CONDITION
POSSIBLE CAUSE
Diagnostic Procedure
STEP
1 VERIFY NUMBER OF REGISTERED KEYS
• Using the M-MDS, perform the PID/data monitor
inspection and confirm the number of registered
keys.
(See 09-02B-4 PID/DATA MONITOR
TABLE[IMMOBILIZER SYSTEM (ADVANCED
KEYLESS SYSTEM)].)
• Are two or more keys registered?
2 VERIFY DTC
• Using the registered key, turn the ignition switch
to the ON position.
• Is the DTC displayed again?
— Security light: 21
— M-MDS: B1213/P1260
End Of Sie
09-02B–12
ON-BOARD DIAGNOSTIC
Only one key ID number is registered.
• Only one key is registered.
• Only one registered key
INSPECTION
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].)
• Using the M-MDS, clear the key ID number and
No
register a new key if necessary.
(See 09-14-11 IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY ADDITION
AND CLEARING[ADVANCED KEYLESS
SYSTEM].)
• Go to the next step.
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.
id0902e3801300
ACTION