Mazda RX-8 Manual page 2097

Diagnostic Procedure
STEP INSPECTION
VERIFY DTC USING WDS OR
EQUIVALENT
1
Are either U1900 or U0073, or both
•
displayed, by either the keyless control
module or the PCM, or both?
VERIFY DTC
Using the registered key, turn the
•
ignition switch to the ON position.
2 Is the DTC displayed?
•
SECURITY LIGHT: 22
WDS or equivalent:
B2141/P1260
EXAMINE KEYLESS CONTROL
MODULE AND PCM
Is the DTC displayed again?
•
3
SECURITY LIGHT: 22
WDS or equivalent:
B2141/P1260
EXAMINE PCM
Is the DTC displayed again?
•
4 SECURITY LIGHT: 22
WDS or equivalent:
B2141/P1260
ACTION
Perform troubleshooting according to the
corresponding DTC inspection.
Yes
(See DTC U0073, U1900, U2516 .)
No Go to the next step.
Perform procedures for when replacing the
•
PCM only.
Yes
(See IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY
ADDITION AND CLEARING .)
Go to the next step.
•
No DTC troubleshooting completed.
Replace the keyless control module and
•
perform procedures for when replacing the
keyless control module only.
(See KEYLESS CONTROL MODULE
Yes REMOVAL/INSTALLATION .)
(See IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY
ADDITION AND CLEARING .)
Go to the next step.
•
No DTC troubleshooting completed.
Replace the PCM and perform procedures for
when replacing the PCM only.
(See PCM REMOVAL/INSTALLATION .)
Yes
(See IMMOBILIZER SYSTEM COMPONENT
REPLACEMENT/KEY ADDITION AND
CLEARING .)
No DTC troubleshooting completed.
(w) RX-8 Body
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