Mazda RX-8 Workshop Manual page 3023

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2011 - RX-8 - Body and Accessories
SECURITY LIGHT: 16, DTC U2510/P1260, U1147/P1260 [IMMOBILIZER
SYSTEM]
DTC:
U2510/P1260
SECURITY
LIGHT: 16
DTC:
U1147/P1260
DETECTION CONDITION
POSSIBLE CAUSE
Diagnostic Procedure
STEP
1 VERIFY DTC USING M-MDS
Are either U1900 or U0073, or
both, displayed, by either the
Communication error between the keyless control module and the PCM (no
response)
Communication error between the keyless control module and the PCM
(mismatched conditions)
Keyless control module DTC: U2510
Communication error between the keyless control module
and the PCM (no response)
Keyless control module DTC: U1147
Communication error between the keyless control module
and the PCM (mismatched conditions)
Keyless control module malfunction
Malfunction in the wiring harness (CAN line) between the
keyless control module and the PCM
PCM malfunction
INSPECTION
YesPerform troubleshooting according to the
corresponding DTC inspection.
ACTION