Caution

Diagnostic procedure

Dtc b1483, b1484, b1486
Dtc b2477Mazda 6 Service Manual: Heated Steering Wheel (Some models)
The grips on the left and right of the steering wheel can be warmed up.
The ignition must be switched ON.
Press the switch to turn on the heated steering wheel. The heated steering wheel
operates for about 30 minutes and then turns off automatically.
The indicator light illuminates when the h ...
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 ...