Mazda 6 Service Manual: Dtc p0420

Dtc p0403

Dtc p0443

Other materials:

Mazda 6 Service Manual: Immobilizer System
The immobilizer system allows the engine to start only with a key the system recognizes. If someone attempts to start the engine with an unrecognized key, the engine will not start, thereby helping to prevent vehicle theft. If you have a problem with the immobilizer system or the key, consult ...

Mazda 6 Service Manual: Mechanical system test
Mechanical System Test Preparation 1. Engage the parking brake and use wheel chocks at the front and rear of the wheels. 2. Inspect the engine coolant. (See ENGINE COOLANT LEVEL INSPECTION.) 3. Inspect the engine oil. (See ENGINE OIL INSPECTION.) 4. Inspect the ATF levels. (See AUTOMATIC TRANS ...