Mazda 6 Service Manual: On-board diagnostic function

Keyless entry system preliminary inspection

Perform the following preliminary inspection before troubleshooting. ...

Troubleshooting index

...

Other materials:

Mazda 6 Service Manual: Oil pressure switch inspection
1. Verify that the oil pressure warning light illuminates when the ignition switch is at ON position. 2. Verify that the oil pressure warning light goes off when the engine is started. If the oil pressure warning light does not illuminate or remains illuminated, inspect the related wirin ...

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 ...