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: Barometric pressure (baro) sensor inspection
Note
Perform the following inspection only when directed.
The following vacuum values are indicated by relative pressure
from the barometric pressure sensor.
1. Connect the SSTs (WDS or equivalent) to the DLC-2.
2. Turn the ignition switch to ON.
3. Select BARO on the SSTs (WDS or equi ...
Mazda 6 Service Manual: Ignition coil inspection
Primary Coil Winding
1. Remove the ignition coil.
2. Measure the resistance between the following lead holes using an ohmmeter.
A and B, B and C
- If not specified, replace the ignition coil.
Specification
0.49-0.57 ohms [20°C {68°F}]
Secondary Coil Winding
1. Remove the igni ...