Mazda 6 2002, Руководство по ремонту

Страница: 1069 / 1248

ON-BOARD DIAGNOSTIC [IMMOBILIZER SYSTEM]
T–163
T
End Of Sie
SECURITY LIGHT: DTC 12 (WDS OR EQUIVALENT: DTC B2103)
A6E817067000W04
Diagnostic procedure
End Of Sie
SECURITY LIGHT: DTC 13 (WDS OR EQUIVALENT: DTC B1600)
A6E817067000W05
Diagnostic procedure
8 INSPECT COIL OUTPUT SIGNAL CIRCUIT
•
Turn ignition switch to LOCK position.
•
Disconnect coil connector.
•
Turn ignition switch to ON position.
•
Measure voltage at terminal A of coil
connector.
•
Is voltage more than 8 V ?
Yes Replace coil.
(See
T–90 COIL REMOVAL/INSTALLATION )
No Go to next step.
9 INSPECT COMMUNICATION CIRCUIT
(OUTPUT) FOR CONTINUITY
•
Turn ignition switch to LOCK position.
•
Disconnect PCM connector.
•
Is there continuity between coil connector
terminal A and PCM connector terminal 2Q?
Yes Go to next step.
No Repair wiring harness.
10 INSPECT COIL OUTPUT SIGNAL CIRCUIT
•
Measure resistance between PCM connector
terminal 2Q and ground.
•
Is resistance more than 10 kilohms ?
Yes Replace PCM and reprogram immobilizer system.
(See
T–90 IMMOBILIZER SYSTEM REPROGRAM
PROCEDURE )
No Repair wiring harness.
STEP INSPECTION ACTION
DTC 12 (B2103) Coil failure.
POSSIBLE
CAUSE
•
Defective Coil
•
Poor connection of coil connector
STEP INSPECTION ACTION
—
INSPECT CONNECTOR CONNECTION
•
Is connector of coil and PCM connected
securely?
Yes Replace coil.
(See
T–90 COIL REMOVAL/INSTALLATION )
No Connect connector securely.
DTC 13 (B1600) ID number is not received.
POSSIBLE
CAUSE
•
No transponder in the key
•
Defective transponder in the key (ID number is not output.)
•
Defective coil
•
Defective PCM
STEP INSPECTION ACTION
1 VERIFY DTC USING SST
•
Does SST (WDS or equivalent) indicate DTC
B1600?
Yes Go to Step 3.
No Go to next step.
2 VERIFY DTC USING SST
•
Does SST (WDS or equivalent) indicate DTC
B2431?
Yes Go to SECURITY LIGHT: DTC 13 (WDS OR EQUIVALENT:
B2431).
No Go to next step.
3 VERIFY VALID KEY
•
Is there any key, other than the one that
caused displayed DTC, which can start the
engine?
Yes Go to Step 5.
No Go to next step.
4 VERIFY WHETHER MALFUNCTION IS IN
COIL OR KEY
•
Using SST (WDS or equivalent) register an
additional key.
(See
T–90 IMMOBILIZER SYSTEM
REPROGRAM PROCEDURE )
•
Using registered key, turn ignition switch to
ON position.
•
Does SST (WDS or equivalent) indicate DTC
B1600 again?
Yes Replace coil, then go to step 6.
(See
T–90 COIL REMOVAL/INSTALLATION )
No
•
Dispose of defective key.
•
Duplicate key if necessary.
(See
T–90 IMMOBILIZER SYSTEM REPROGRAM
PROCEDURE )