Mazda 6 Service Manual: Disconnection of the negative battery cable

Mazda 6 Service Manual / General information / Fundamental procedures / Disconnection of the negative battery cable

Before beginning any work, turn the ignition switch to LOCK position, then disconnect the negative battery cable and wait for more than 1 minute to allow the backup power supply of the SAS unit to deplete its stored power. Disconnecting the battery cable will delete the memories of the clock, audio, and DTCs, etc. Therefore, it is necessary to verify those memories before disconnecting the cable.
If the battery had been disconnected during vehicle maintenance or for other reasons, the window will not fully close automatically.Carry out the power window main switch initial setting. (See INITIAL SETTING.)

Oil leakage inspection

Use either of the following procedures to identify the type of oil that is leaking: Using UV Light (Black Light) 1. Remove on the engine or transaxle. Note Referring to the fluorescent ...

Removal of parts

While correcting a problem, also try to determine its cause. Begin work only after first learning which parts and subassemblies must be removed and disassembled for replacement or repair. Aft ...

Other materials:

Mazda 6 Service Manual: Battery inspection
Battery Inspect the battery in the following procedure. Test load chart Battery positive voltage with load Back-up Current 1. Verify that the engine switch is at OFF and that the key has been removed. 2. Disconnect the negative battery cable. 3. Measure the back-up current between the n ...

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 ...