Mazda CX-7 2007 Workshop Manual page 1329

ON-BOARD DIAGNOSTIC [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]
M-MDS
1. Connect the M-MDS to the DLC-2.
2. Verify if any DTCs are displayed.
• If any DTCs are displayed, carry out
troubleshooting according to the
corresponding DTC inspection.
3. Disconnect the M-MDS.
End Of Sie
DTC TABLE[IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]
Security light flashing pattern
11
12
13
14
15
16
21
DTC
M-MDS display
Instrument
PCM
cluster
B1681 P1260
B2103 P1260
B1600 P1260
B2431 P1260
B1602 P1260
B1601 P1260
U2510 P1260
U1147 P1260
B1213 P1260
DLC-2
*
Detection condition
No detected communication
with the coil
• Coil antenna malfunction
• The PCM determined a
malfunction in the coil
antenna even though it is
normal.
The key ID number data
cannot be read.
Key ID number registration
error
The instrument cluster cannot
read key ID number data
normally.
The instrument cluster has
detected unregistered key ID
number.
Communication error between
the instrument cluster and the
PCM (no response)
Communication error between
the instrument cluster and the
PCM (mismatched conditions)
Only one key ID number is
registered.
acxuuw00002447
id0902e5800300
Page
09-02C-5 SECURITY
LIGHT 11, DTC B1681/
P1260[IMMOBILIZER
SYSTEM (KEYLESS
ENTRY SYSTEM)]
09-02C-7 SECURITY
LIGHT 12, DTC B2103/
P1260[IMMOBILIZER
SYSTEM (KEYLESS
ENTRY SYSTEM)]
09-02C-7 SECURITY
LIGHT 13, DTC B1600/
P1260[IMMOBILIZER
SYSTEM (KEYLESS
ENTRY SYSTEM)]
09-02C-9 SECURITY
LIGHT 13, DTC B2431/
P1260[IMMOBILIZER
SYSTEM (KEYLESS
ENTRY SYSTEM)]
09-02C-10 SECURITY
LIGHT 14, DTC B1602/
P1260[IMMOBILIZER
SYSTEM (KEYLESS
ENTRY SYSTEM)]
09-02C-11 SECURITY
LIGHT 15, DTC B1601/
P1260[IMMOBILIZER
SYSTEM (KEYLESS
ENTRY SYSTEM)]
09-02C-12 SECURITY
LIGHT 16, DTC U2510/
P1260, U1147/
P1260[IMMOBILIZER
SYSTEM (KEYLESS
ENTRY SYSTEM)]
09-02C-12 SECURITY
LIGHT 21, DTC B1213/
P1260[IMMOBILIZER
SYSTEM (KEYLESS
ENTRY SYSTEM)]
09-02C–3
09-02C