
Diagnostic Procedure

Dtc 58
Dtc 02, 18, 21 (when two or more dtcs are indicated at the same time)Mazda 6 Service Manual: Gear Shift Indicator (GSI)
The Gear Shift Indicator (GSI) supports you to obtain optimum fuel economy and
smooth driving. It displays the selected gear position in the instrument cluster
as well as notifies the driver to change to the most suitable gear position corresponding
to the actual driving condition.
CAUTIO ...
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 ...