Mazda 6 Service Manual: Dtc 21

Inspection of dtcs for operation mode

Note The cruise set indicator light will illuminate for 3 seconds? when operation mode is on. If the cruise set indicator light does not illuminate for 3 seconds (Operation mode is not on) ...

Dtc 22

Diagnostic procedure ...

Other materials:

Mazda 6 Service Manual: No.9 tcs off light stays on more than 4 seconds with ignition switch on
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 malfunction. If there is a problem, check to make sure connectors, terminals and ...

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: ...