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 MSGof PID using the SST
(WDS or equivalent).
2. Referring to the PID/DATA MONITOR, confirm the display status of the PID. (See PID/DATA MONITOR TABLE.)
3. Referring to the following table, determine the malfunctioning part of the CAN system.
Instrument Cluster
1. Accec and monitor the PCM MSG and ABS MSG of PID using the SST
(WDS or equivalent).
2. Referring to the PID/DATA MONITOR, confirm the display status of the PID. (See PID/DATA MONITOR TABLE.)
3. Referring to the following table, determine the malfunctioning part of the CAN system.
Dtc u0073, u1900, u2516
Diagnostic procedure
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Other materials:
Mazda 6 Service Manual: Jack
To remove the jack
1. Lift the trunk mat.
2. Remove the pocket.
3. Turn the wing bolt and jack screw counterclockwise.
To secure the jack
1. Insert the wing bolt into the jack with the jack screw pointing to the front
and turn the wing bolt clockwise to temporarily tighten it.
2. Turn ...
Mazda 6 Service Manual: Neutral switch inspection
Note
Perform the following inspection only when directed.
Continuity Inspection
1. Disconnect the negative battery cable.
2. Remove the neutral switch.J5 MANUAL TRANSAXLE REMOVAL/INSTALLATION.)
3. Inspect for continuity between the neutral switch terminals using an
ohmmeter.
If the n ...