Mazda 6 Service Manual: No. 1 one or more on-board diagnostic functions inoperative

Mazda 6 Service Manual / Body / Troubleshooting [keyless entry system] / 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 intermittent malfunctions. If there is a problem, check to make sure connectors, terminals and wiring harnesses are connected correctly and undamaged.

Diagnostic procedure

Note

For with theft-deterrent system, follow the procedure from Step 4.

Troubleshooting index

...

No. 2 all 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: Ignition coil inspection
Primary Coil Winding 1. Remove the ignition coil. 2. Measure the resistance between the following lead holes using an ohmmeter. A and B, B and C - If not specified, replace the ignition coil. Specification 0.49-0.57 ohms [20°C {68°F}] Secondary Coil Winding 1. Remove the igni ...

Mazda 6 Service Manual: Intermittent concern troubleshooting
Vibration Method 1. If malfunction occurs or becomes worse while driving on a rough road or when engine is vibrating, perform the steps below. Note There are several reasons vehicle or engine vibration could cause an electrical malfunction. Some of the things to check for are: ...