Mazda 6 Service Manual: Dtc p0171

Dtc p0140

Dtc p0172

Other materials:

Mazda 6 Service Manual: Cruise Control Switch
  Cruise Main Indication (White)/ Cruise Set Indication (Green)     The indication has two colors. Cruise Main Indication (White)   The indication turns on (white) when the cruise control system is activated. Cruise Set Indication (Green) The indication turns on (gr ...

Mazda 6 Service Manual: Foreword
Caution When the engine does not start or stalls and the following DTCs are not indicated, go to engine symptom troubleshooting. Note When the immobilizer system is defective, the engine cannot be started. If engine condition is normal but light stays on, inspect for short circ ...