Mazda 6 Service Manual: Pid/data monitor table

Dtc table

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Procedures for determining the location of a malfunction

System Wiring Diadram PCM 1. Check the display of DTC U0121 and/or U0155, using the SST (WDS or equivalent). (See DTC TABLE.) 2. Referring to the following table, determine the malfunctioning p ...

Other materials:

Mazda 6 Service Manual: A/c unit removal/installation
1. Disconnect the negative battery cable. 2. Discharge the refrigerant from the system. (See RECOVERY.) (See CHARGING.) 3. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT.) 4. Remove the dashboard. (See DASHBOARD REMOVAL/INSTALLATION.) 5. Remove the theft-deterrent control module. (See ...

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 ...