
Diagnostic procedure



No.7 slow return to idle
No.9 fast idle/runs onMazda 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 ...
Mazda 6 Service Manual: Tire Pressure Monitoring System
The Tire Pressure Monitoring System (TPMS) monitors the air pressure of all four
tires. If the air pressure of one or more tires is too low, the system warns the
driver by indicating the tire pressure monitoring system warning light in the instrument
cluster and operating a beep sound. The sys ...