Mazda CX-7 2007 Workshop Manual page 1322

[IMMOBILIZER SYSTEM (ADVANCED KEYLESS SYSTEM)]
Diagnostic Procedure
STEP
1 VERIFY WHETHER KEY IS VALID OR NOT
• Using another registered key, turn the ignition
switch to the ON position.
• If there is not another registered key, register an
additional key using the M-MDS and turn the
ignition key to the ON position using the
registered key.
(See 09-14-11 IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY ADDITION
AND CLEARING[ADVANCED KEYLESS
SYSTEM].)
• Is the DTC displayed again?
— Security light: 14
— M-MDS: B1602/P1260
2 INSPECT KEYLESS CONTROL MODULE
• Using another registered key, turn the ignition
switch to the ON position.
• Is the DTC displayed again?
— Security light: 14
— M-MDS: B1602/P1260
End Of Sie
SECURITY LIGHT 15, DTC B1601/P1260[IMMOBILIZER SYSTEM (ADVANCED KEYLESS SYSTEM)]
SECURITY LIGHT: 15
DTC: B1601/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 one or more keys registered?
2 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 eight keys registered?
09-02B–10
ON-BOARD DIAGNOSTIC
INSPECTION
The keyless control modulehas detected unregistered key ID number.
• The keyless control module has detected unregistered key ID number.
• No keys have been registered after replacing the keyless control module.
• Unregistered key used
• Attempt made to register a ninth key
• Keyless control module malfunction
INSPECTION
Yes Replace the coil antenna, then go to the next step.
(See 09-14-11 COIL ANTENNA REMOVAL/
INSTALLATION.)
• Dispose of the malfunctioning key.
No
• Register a new key if necessary.
(See 09-14-11 IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY ADDITION
AND CLEARING[ADVANCED KEYLESS
SYSTEM].)
Yes Replace the keyless control module and perform the
resetting procedure for the immobilizer system when
replacing the keyless control modulekeyless 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.
Yes Go to the next step.
No Go to Step 3.
Yes Using the M-MDS, clear the key ID numbers as
necessary, then go to the next step.
No Go to the next step.
ACTION
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ACTION