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 circuit between security light. Repair or replace the wiring harness if necessary.
1. Turn the ignition switch to START position for 2 seconds,
then back to ON position.
2. Wait for 1 minute.
3. Verify the security light condition and read the DTC if indicated.
4. Verify the DTC with WDS or equivalent.
5. If the DTC is indicated, go to troubleshooting referring to the DTC table.
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,
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Other materials:
Mazda 6 Service Manual: Obd drive mode
Performing the Drive Mode inspects the OBD system for proper operation.
The Drive Mode must be performed to ensure that no additional DTCs are
present.
During Drive Mode, the following systems are inspected:
- Oxygen sensor (HO2S)
- Oxygen sensor heater
- Catalytic converter (TW ...
Mazda 6 Service Manual: Engine coolant
ENGINE COOLANT LEVEL INSPECTION
Verify that the coolant level in the coolant reservoir is between the F and L
marks.
If the engine coolant level is below L, remove the radiator cap and add
coolant. (See COOLING SYSTEM SERVICE WARNINGS.)
ENGINE COOLANT REPLACEMENT
Warning
Drain the ...