Mazda 6 Service Manual: Dtc c1955, c1956

Dtc c1953, c1954

Diagnostic procedure ...

Dtc u2021

Note To warm up the engine completely, idle the engine and wait for more than 5 minutes. Diagnostic procedure ...

Other materials:

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 ...

Mazda 6 Service Manual: On-board diagnostic test
DTCs Reading Procedure 1. Perform the necessary vehicle preparation and visual inspection. 2. Connect WDS or equivalent to the vehicle DLC-2 16-pin connector located as shown in the figure. 3. Retrieve DTCs by WDS or equivalent. Pending Trouble Code Access Procedure 1. Perform the necessary ...