Mazda RX-8 Manual page 2084

Diagnostic Procedure
STEP INSPECTION
VERIFY DTC USING WDS OR
EQUIVALENT
1
Is B1600/P1260 displayed?
•
VERIFY DTC USING WDS OR
EQUIVALENT
2
Is B2431/P1260 displayed?
•
VERIFY WHETHER KEY IS VALID OR
NOT
Are there any keys with which the
•
3
engine can be started, other than the
key that is a cause of the displayed
DTC?
VERIFY WHETHER MALFUNCTION
IS IN KEY OR COIL
Using the WDS or equivalent, register
•
an additional key.
(See IMMOBILIZER SYSTEM
COMPONENT
REPLACEMENT/KEY ADDITION
4
AND CLEARING .)
Using the registered key, turn the
•
ignition switch to the ON position.
Verify the DTC using the WDS or
•
equivalent.
Is B1600/P1260 displayed
again?
VERIFY WHETHER MALFUNCTION
5
IS IN KEY OR COIL
ACTION
Yes Go to Step 3.
No Go to the next step.
SECURITY LIGHT: 13, WDS or equivalent:
B2431/P1260.
Yes
(See SECURITY LIGHT: 13, DTC B2431/P1260
.)
No Go to the next step.
Yes Go to Step 5.
No Go to the next step.
Replace the coil, then go to Step 6.
Yes
(See COIL REMOVAL/INSTALLATION .)
Dispose of the malfunctioning key.
•
Register a new key if necessary.
•
No
(See IMMOBILIZER SYSTEM
COMPONENT REPLACEMENT/KEY
ADDITION AND CLEARING .)
Replace the coil, then go to the next step.
Yes
(See COIL REMOVAL/INSTALLATION .)
(w) RX-8 Body
Page 366