Mazda 6 Owners Manual: KEY Warning Light (Some models)
Take the appropriate action and verify that the warning light turns off.
Taking Action
Take the appropriate action and verify that the warning light turns off.
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Message Indicated on Display
If a message is displayed in the center display, take appropriate action (in
a calm manner) according to the displayed message.
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Other materials:
Mazda 6 Owners 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 ...
Mazda 6 Owners Manual: Engine coolant temperature (ect) sensor inspection
Note
Perform the following inspection only when directed.
ECT Sensor Resistance Inspection
1. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.)
2. Remove the ECT sensor (located above the starter).
3. Place the ECT sensor in water with a thermometer, and heat the water
gra ...