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: Interior Care
WARNING
Do not spray water into the vehicle cabin: Spraying water into the
vehicle cabin is dangerous as electrical devices such as the audio and switches
could get wet resulting in a malfunction or vehicle fire.
NOTE
Do not wipe the interior using alcohol, chlorine bleach, or organic solv ...
Mazda 6 Service Manual: Pcm inspection
Note
PIDs for the following parts are not available on this model. Go
to the appropriate part inspection page.
- CMP sensor (See CAMSHAFT POSITION (CMP) SENSOR INSPECTION.)
- Main relay (See RELAY INSPECTION.)
1. Connect the SST (WDS or equivalent) to the DLC-2.
2. Turn the igni ...