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 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
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.
Mazda 6 Service Manual: Running light unit inspection
1. Connect the connector to the running light unit.
2. Connect the negative battery cable.
3. Measure the voltage at the running light unit using voltmeter.
When inspecting terminal D, H or P for continuity, disconnect the running light unit connector.
4. If the value are not as specif ...
Mazda 6 Service Manual: System wiring diagram
ABS (ABS/TCS)
DSC
FOREWORD
Before performing the steps in Symptom Troubleshooting, perform the
On-board Diagnostic Inspection. To check the DTC, follow the DTC Inspection
steps.
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