Displays the engine coolant temperature. The white gauge indicates that the engine coolant temperature is low, and the red gauge indicates that the engine coolant temperature is high and overheating.

CAUTION
If the engine coolant temperature gauge indicator flashes, there is a possibility of overheating. Park the vehicle in a safe place immediately and take appropriate measures. If the vehicle continues to be driven, it could cause damage to the engine.
Refer to Overheating.
NOTE
Tachometer
Fuel Gauge (Without Multiinformation Display)Mazda 6 Owners Manual: Intermittent rear wiper relay inspection
1. Connect the connector to the intermittent rear wiper relay.
2. Connect the negative battery cable.
3. Measure the voltage at the intermittent rear wiper relay using voltmeter.
When inspecting terminal D for continuity, disconnect the intermittent
rear wiper relay connector.
4. If the ...
Mazda 6 Owners Manual: Engine tune-up
IGNITION TIMING INSPECTION
Note
Ignition timing is not adjustable.
Ignition timing verification requires WDS or equivalent.
1. Turn off the electrical loads.
2. Warm up the engine as follows.
(1) Start the engine.
(2) Maintain the engine speed at approx. 3,000 rpm until the
cooli ...