Mazda 6 Service Manual: Instrument cluster inspection
Speedometer
Using the input/output check mode
Inspect the speedometer by setting it in the input/output check mode DTC 12.
Using a speedometer tester
1. Adjust the tire air pressure to the specification.
2. Using a speedometer tester, verify that the speedometer indication is within the allowable ranges shown below.
3. Verify that fluctuation of the speedometer needle is within the allowable range.
- If the speedometer needle does not move or the indication is outside of the allowable range, inspect the ABS (ABS/TCS) HU/CM (vehicles with ABS (ABS/TCS), DSC HU/CM (vehicles with DSC), PCM (vehicles without ABS) and related wiring harness.
- If the ABS (ABS/TCS) HU/CM (vehicles with ABS (ABS/TCS), DSC HU/CM (vehicles with DSC), PCM (vehicles without ABS) and related wiring harness are normal, replace the instrument cluster.
Needle fluctuation allowable range Within 3.0 km/h
Tachometer
Using the input/output check mode
Inspect the tachometer by setting it in the input/output check mode DTC 13.
Using the SSTs (WDS or equivalent)
Caution
- If the engine speed exceeds the allowable range, the engine could be damaged. Therefore, when inspecting the tachometer, do not allow the engine speed to exceed the allowable range indication Bon the tachometer.
1. Connect the SSTs
(WDS or equivalent) to the vehicle DLC-2 16-pin connector.
2. Access and monitor PIDs by SSTs
(WDS or equivalent).
Fuel Gauge
Inspect the fuel gauge by setting it in the input/output check mode DTC 23.
Water Temperature Gauge
Inspect the water temperature gauge by setting it in the input/output check mode DTC 25.
Instrument cluster disassembly/assembly
Caution
If the instrument cluster is dropped or the print plate is damaged,
the system will not work properly and it may be the cause of trouble or
malfunctions.
1. Disassemble in the ord ...
Instrument cluster repair
Note
The needle of speedometer or tachometer may continue to rotate
clockwise until it indicates over maximum graduation. If a customer
complains of this concern, repair the needle position ...
Other materials:
Mazda 6 Service Manual: Average Fuel Economy
The average fuel economy is calculated every minute from the total traveled distance
on the trip meter and the total fuel consumption, and the average fuel economy for
either TRIP A or TRIP B is displayed.
The average fuel economy and trip meters can be reset by pressing the INFO switch
for ...
Mazda 6 Service Manual: Air intake actuator inspection
1. Connect battery positive voltage to terminal D or F and ground to terminal
F or D of the air intake actuator.
2. Verify that the air intake actuator operates as shown below.
If not as specified, replace the air intake actuator.
...