Mazda 6 Service Manual: 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 according to the following steps.
1. Verify the concern.
2. Turn the ignition switch to LOCK position.
3. Disconnect the negative battery cable.
4. Connect the negative battery cable.
5. Turn the ignition switch to ON position.
6. Verify that the needle returns to zero.
- If the needle does not return to zero, replace the instrument cluster
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 specifi ...
Instrument cluster input/output check mode
Note
In this mode, it is possible to check the items in the following
chart.
Diagnostic Trouble Code Chart
Note
Diagnostic trouble codes which are not listed may be indicated,
but ...
Other materials:
Mazda 6 Service Manual: Vehicle speedometer sensor (vss) removal/installation
Caution
Water or foreign objects entering the connector can cause a poor
connection or corrosion. Be sure not to drop water or foreign objects on the
connector when disconnecting it.
If foreign materials are stuck to the VSS, disturbance by magnetic
flux can cause sensor output to be ...
Mazda 6 Service Manual: Procedures for determining the location of a malfunction
System Wiring Diadram
PCM
1. Check the display of DTC U0121 and/or U0155, using the SST (WDS or
equivalent). (See DTC TABLE.)
2. Referring to the following table, determine the malfunctioning part of the
CAN system.
ABS/TCS HU/CM or DSC HU/CM
1. Accec and monitor the PCM MSG and IC MSGo ...