Mazda 6 Service Manual: Dtc table
Note
- Perform the following if the security light stays on:
- If gasoline engine stalls, go to symptom troubleshooting NO.11 ENGINE STALLS/QUITS, ENGINE RUNS ROUGH, MISSES, BUCK/JERK, HESITATION/STUMBLE, SURGES in. (See NO.11 ENGINE STALLS/QUITS, ENGINE RUNS ROUGH, MISSES, BUCK/JERK, HESITATION/STUMBLE, SURGES.)
- If gasoline engine wont start, go to symptom troubleshooting NO.6 CRANKS NORMALLY BUT WILL NOT START in. (See NO.6 CRANKS NORMALLY BUT WILL NOT START.)
- If engine condition is normal but light stays on, inspect for continuity between the following wiring harness and body ground: security light and PCM connector terminal 2W. Repair or replace the wiring harness.
Foreword
Caution
When the engine does not start or stalls and the following DTCs
are not indicated, go to engine symptom troubleshooting.
Note
When the immobilizer system is defective, the engine ...
Dtc b1681
Diagnostic procedure
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Other materials:
Mazda 6 Service Manual: Filament inspection
1. Turn the ignition switch to ON position.
2. Turn the rear window defroster switch on.
Caution
Directly touching the rear window defroster filament with the lead
of the voltmeter will damage it. Wrap aluminum foil around the end of the
lead and test the filament by touching it with the ...
Mazda 6 Service Manual: Foreword
Caution
When the engine does not start or stalls and the following DTCs
are not indicated, go to engine symptom troubleshooting.
Note
When the immobilizer system is defective, the engine cannot be
started.
If engine condition is normal but light stays on, inspect for
short circ ...