Mazda 6 Service Manual: Troubleshooting index

On-board diagnostic function

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No. 1 one or more on-board diagnostic functions inoperative

When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while doing the inspection to discover whether poor contact points are the cause of any i ...

Other materials:

Mazda 6 Service Manual: TCS/DSC Indicator Light
This indicator light stays on for a few seconds when the ignition is switched ON. If the TCS or DSC is operating, the indicator light flashes. If the light stays on, the TCS, DSC or the brake assist system may have a malfunction and they may not operate correctly. Take your vehicle to an Auth ...

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 ...